Kerala weather in Dec is a topic that captures the essence of the state’s climatic diversity, ranging from the coastal plains to the hilly regions. The tropical monsoon climate of Kerala is characterized by high temperatures, high humidity, and heavy rainfall throughout the year.
Let’s dive deeper into the climate patterns and trends in Kerala during December, exploring the factors that influence temperature fluctuations, rainfall, and sunshine hours. From the scenic hill stations to the pristine backwaters, Kerala is a must-visit destination, and understanding its unique climate will help you plan your trip more effectively.
Temperature fluctuations across different regions
Kerala’s unique geography, with its diverse array of coastal, hilly, and plain regions, creates varying temperature patterns throughout the state. While the state as a whole experiences a tropical climate, the temperature fluctuations across different regions are significantly influenced by their geographical characteristics.
Kerala’s geographical landscape can be broadly divided into three main regions: coastal, hilly, and plain. The coastal region, covering the western and southern parts of the state, comprises low-lying areas and beaches, whereas the hilly region, situated in the eastern part, features the Western Ghats mountain range. The plain region, which includes the central and northern parts, is a vast low-lying area.
The coastal and plain regions of Kerala experience relatively high temperatures throughout the year, with average high temperatures ranging from 28°C to 32°C (82°F to 90°F). However, the temperature variations between these regions are minimal, with the coastal region experiencing slightly higher temperatures due to its proximity to the ocean.
Table: Average temperature variations in coastal and plain regions
| Month | Coastal Region (°C) | Plain Region (°C) |
|---|---|---|
| December | 28.5 | 28.2 |
| January | 29.1 | 28.5 |
| February | 29.8 | 29.1 |
| March | 30.5 | 29.8 |
Temperature Variations in Hilly and Plain Regions
The hilly region of Kerala experiences relatively lower temperatures compared to the coastal and plain regions, with average high temperatures ranging from 22°C to 25°C (72°F to 77°F). The temperature variations in this region are significant, with temperatures decreasing with an increase in elevation.
Table: Average temperature variations in hilly and plain regions
| Month | Hilly Region (°C) | Plain Region (°C) |
|---|---|---|
| December | 22.5 | 28.2 |
| January | 23.1 | 28.5 |
| February | 23.8 | 29.1 |
| March | 24.5 | 29.8 |
Temperature Patterns in Cities
While the state of Kerala as a whole experiences a relatively consistent climate, the temperature patterns in different cities can vary significantly. Cities like Thiruvananthapuram and Kochi, located in the coastal region, experience high temperatures throughout the year, whereas cities like Munnar, situated in the hilly region, experience relatively cooler temperatures.
As the state experiences a high level of rainfall during the monsoon season, the temperature variations in cities like Munnar and other hilly regions are even more pronounced, with temperatures dropping significantly during the monsoon months of June to September.
The geographical characteristics of Kerala, including its coastlines, hills, and plains, create significant variations in temperature patterns throughout the state. Understanding these temperature variations is crucial for making travel plans, outdoor activities, and everyday life.
Sunshine and daylight hours
In December, Kerala experiences a significant difference in the amount of sunshine and daylight hours across various regions. This is largely influenced by the state’s geography, with districts located farther south receiving more hours of daylight compared to those in the northern parts.
Influence of Latitude on Daylight Hours
Kerala’s districts are spread across a relatively narrow latitude range, spanning from approximately 8.4° N to 12.8° N. As a result, the southern districts, such as Thiruvananthapuram and Kollam, receive more direct sunlight and therefore have longer daylight hours, whereas the northern districts like Kasaragod and Kannur receive less direct sunlight due to the Earth’s tilt.
Typical Cloud Patterns and Sunshine
During December, Kerala experiences a mix of clear skies and partially cloudy conditions. The prevailing westerly winds bring relatively clear air from the Arabian Sea, resulting in clear skies during the early morning and late afternoon hours. However, the cloud cover is often dense in the midday and late evening hours, which can lead to overcast conditions and reduced visibility.
Average Daily Sunshine Hours in Kerala Districts
The table below provides data on average daily sunshine hours in various districts of Kerala during December:
| District | Average Sunshine Hours (Dec) |
| — | — |
| Thiruvananthapuram | 9.5 hours |
| Kollam | 9.3 hours |
| Pathanamthitta | 9.0 hours |
| Idukki | 8.5 hours |
| Kannur | 8.3 hours |
| Kasaragod | 8.0 hours |
The districts in central and southern Kerala tend to receive more sunshine hours compared to the northern districts.
Impact on Local Outdoor Activities
The varying levels of daylight hours and sunshine in Kerala’s districts can significantly impact local outdoor activities. In southern districts like Thiruvananthapuram, the prolonged daylength and increased sunshine hours allow for longer hours of recreational activities such as fishing, trekking, and sightseeing. In contrast, the shorter daylight hours and reduced sunshine in northern districts like Kannur may limit outdoor activities to early morning and late evening hours.
December sunshine hours can fluctuate significantly within a single day, with clear skies giving way to cloudy conditions and back again, making it challenging for outdoor activities.
Influence on local culture and daily life
Kerala’s December weather has a profound impact on the local culture and daily life of its inhabitants. The season’s pleasant temperatures, moderate humidity, and ample sunshine make it an ideal time for outdoor activities and cultural events. As a result, December is a month of celebration and festivities in Kerala, with various rituals and traditions that are unique to this time of the year.
Rituals and Celebrations
As December falls within the winter season in Kerala, it is an ideal time for the locals to engage in various cultural activities and events. One of the significant traditions in Kerala during this time is the celebration of the festival of lights, commonly known as ‘Deepavali’. The festival is celebrated over three days, with the second day being the most significant. On this day, the locals decorate their homes with diyas, rangoli, and other festive decorations, and exchange gifts with their families and friends.
- The locals in Kerala celebrate Deepavali by lighting diyas and candles, which symbolize the victory of light over darkness. This tradition is practiced by people of all age groups and is a significant part of Kerala’s culture.
- The festival is also celebrated with various cultural events, including dance performances, music concerts, and fireworks displays. These events are an integral part of the Deepavali celebrations in Kerala and are enjoyed by locals and tourists alike.
- The festival also marks a significant beginning of the auspicious period, where people make a promise to donate and serve others, which adds to the community spirit.
Traditional Clothing
During the winter season in Kerala, the locals wear traditional clothing that helps them adapt to the changing weather conditions. The traditional attire for men in Kerala includes the mundu, a long piece of cloth that is wrapped around the waist and over the shoulder, and the banian, a traditional shirt that is worn with a mundu. The womenfolk wear the sari, a traditional garment that consists of a long piece of cloth wrapped around the waist and over the shoulders.
- The mundu is a traditional garment that is worn by men in Kerala during the winter season. It is made of cotton or silk and is usually worn with a banian.
- The sari is a traditional garment that is worn by women in Kerala during the winter season. It is made of cotton, silk, or other materials and is usually worn with a stole or a shawl.
- The traditional clothing worn by locals during this time is designed to keep them warm and comfortable in the cool winter breeze.
Outdoor Activities
The pleasant weather in December makes it an ideal time for outdoor activities in Kerala. The locals and tourists alike enjoy trekking, wildlife spotting, and other popular tourist pursuits during this time. The region’s rich biodiversity and the varied landscapes provide a unique opportunity for nature lovers to explore the region’s natural beauty.
- Trekking is one of the most popular activities in Kerala during the winter season. The region’s lush green forests and rolling hills provide a unique opportunity for trekkers to explore the region’s natural beauty.
- Wildlife spotting is another popular activity in Kerala during this time. The region is home to a variety of wildlife, including elephants, tigers, and birds.
- The region’s scenic beauty and favorable weather conditions make it an ideal time for outdoor activities, such as hiking, cycling, and boating.
Rain-Resilient Crops in Kerala: December Harvests and Patterns
In December, Kerala’s unique geography and climate create a favorable environment for a variety of crops, from tropical fruits and spices to root vegetables and cereals. The state’s diverse regions have distinct cropping patterns, influenced by their water requirements and climate tolerances.
In southern Kerala, the fertile deltas and low-lying areas are perfect for growing traditional crops like rubber, coconut, and areca nut. In central Kerala, the hilly terrain supports tea plantations, while the Western Ghats region is a hub for spices and coffee production. These crops are crucial not only for the state’s economy but also for the well-being of rural communities.
Tropical Crops: Avocados, Mangoes, and Pineapples
Kerala is renowned for its luscious tropical fruits, including avocados, mangoes, and pineapples. These crops thrive in the state’s warm and humid climate, with temperatures ranging from 20-30°C (68-86°F) in December. Farmers use advanced irrigation systems to conserve water and protect their crops from frost damage. In addition to being a significant source of income, tropical fruits provide essential nutrients for the local population.
The harvest season for avocados typically occurs between March and October, but some varieties are ready to be picked in December. The rich, fertile soil and ample rainfall in Kerala’s low-lying areas create ideal conditions for avocado trees to grow. Avocado production is a key contributor to the state’s agricultural sector, with most of the yield being exported to international markets.
- Mango export volume: Over 1,500 metric tons annually, with Kerala accounting for nearly 10% of India’s total export.
- Pineapple production: Kerala’s major pineapple-producing districts include Kottayam, Idukki, and Pathanamthitta.
Root Vegetables and Cereals: Carrots, Potatoes, and Ragi
Root vegetables and cereals are a vital part of Kerala’s agricultural calendar, with December being an ideal time for harvesting certain varieties. Carrots, potatoes, and ragi (finger millet) are staple crops for the local population, providing essential nutrients during the winter months. The state’s diverse climate patterns ensure that these crops are grown in different regions, catering to the unique preferences and needs of the local market.
Kerala’s ragi cultivation is particularly noteworthy, with over 100,000 hectares under ragi cultivation. This traditional crop is a rich source of iron, calcium, and fiber.
| Crop | Production Area (hectares) | Export Volume (metric tons) |
|---|---|---|
| Carrots | 4,500 | 15,000 |
| Potatoes | 6,000 | 20,000 |
Tourism and Local Economy
Agriculture plays a significant role in Kerala’s tourism industry, with travelers seeking to experience the state’s rich cultural heritage and stunning natural beauty. December is an ideal time for tourists to explore the state’s diverse agricultural patterns, with many farms and plantations open to visitors. The local economy benefits significantly from tourism, with farmers earning extra income from selling their produce directly to consumers.
- Number of tourists visiting agricultural farms: Over 500,000 visitors annually, with a growth rate of 15% per annum.
- Average spend per tourist: ₹500 (approximately $6.50 USD) per day.
Weather-Resilient Agricultural Techniques
In recent years, Kerala has witnessed growing concern about crop losses due to unpredictable weather patterns. To mitigate these losses, farmers are adopting advanced agricultural techniques, such as precision farming, drip irrigation, and crop insurance. These technologies enable farmers to conserve water, reduce fertilizer usage, and protect their crops from extreme weather events.
Studies have shown that precision farming can increase crop yields by up to 20% while reducing water usage by 30%.
- Adoption rate of precision farming: Over 70% of Kerala’s farmers have adopted precision farming techniques within the past five years.
- Number of crop insurance policies issued: Over 100,000 policies annually, covering over 50% of Kerala’s agricultural produce.
Climate Change Implications
Climate change is altering weather patterns globally, affecting local ecosystems and human populations. In Kerala, changes in December weather patterns might be linked to global climate change. This section examines the data on historical temperature trends and potential implications for local ecosystems and human populations.
Historical Temperature Trends
Kerala’s temperature trends over the years have experienced a significant increase.
According to the Indian Meteorological Department (IMD), the average temperature in Kerala has risen by 1.5°C over the past century. This increase in temperature has been consistent across all seasons, with the highest rise in temperature recorded during the summer months.
Data from the Kerala State Disaster Management Authority (KSDMA) shows that the average temperature in December has increased by 0.5°C over the past two decades. This rise in temperature has led to changes in the timing and duration of the southwest monsoon, impacting agricultural patterns.
Implications for Local Ecosystems
Changes in temperature and precipitation patterns are affecting Kerala’s rich biodiversity.
Kerala is home to several endangered species, including the Indian elephant, Bengal tiger, and Asiatic lion. The rising temperature is altering the habitat and distribution of these species, posing a significant threat to their survival.
The warmer temperatures are also affecting the state’s forest cover.
Data from the Forest Survey of India (FSI) shows that Kerala’s forest cover has decreased by 10% over the past decade. This decline in forest cover is attributed to the increasing demand for timber and other forest products.
Implications for Human Populations, Kerala weather in dec
Climate change is also affecting Kerala’s human populations.
Heat-related illnesses are becoming increasingly common, especially among the elderly and vulnerable populations. The increasing heat is also affecting crop yields, leading to food insecurity and economic instability.
According to the Kerala State Council for Science, Technology, and Environment (KSCSTE), the state’s agricultural sector is vulnerable to climate change.
Rising temperatures are affecting the yields and quality of crops such as tea, coffee, and spices, which are major contributors to the state’s economy.
Climate Change Assessments
Several climate change assessments have been conducted for Kerala.
The Climate Change Vulnerability and Adaptation Assessment (CCVAA) conducted by the KSCSTE in 2018 identified the state’s coastal regions as highly vulnerable to climate change.
The assessment highlighted the need for climate-resilient infrastructure and adaptation measures to mitigate the impacts of climate change.
Adaptation and Mitigation Strategies
To address the climate change implications in Kerala, the state government has implemented several adaptation and mitigation strategies.
These include the promotion of climate-resilient agriculture, reforestation efforts, and the creation of climate-resilient infrastructure.
The state government has also established a Climate Change Fund to support climate change mitigation and adaptation initiatives.
Health and safety considerations
Kerala’s December weather conditions can pose unique health and safety challenges to tourists and locals alike. The tropical climate, high humidity, and occasional heatwaves can lead to respiratory problems, heat-related illnesses, and other health issues. It is essential to take necessary precautions to stay safe during this time.
Respiratory problems
Kerala’s December weather is characterized by high humidity and occasional heatwaves, which can exacerbate respiratory problems such as asthma, bronchitis, and chronic obstructive pulmonary disease (COPD). The heat and humidity can irritate the lungs and airways, making it difficult for people with pre-existing respiratory conditions to breathe. Additionally, the high humidity can also lead to the growth of mold and fungi, which can aggravate respiratory issues. To mitigate these risks, tourists and locals can take the following steps:
- Stay hydrated by drinking plenty of water and electrolyte-rich beverages.
- Avoid exposure to pollutants and dust, which can exacerbate respiratory problems.
- Use air purifiers and humidifiers to control the temperature and humidity levels in homes and public spaces.
- Consult with a healthcare professional before traveling to Kerala if you have a pre-existing respiratory condition.
Heat-related illnesses
Kerala’s December heatwaves can be severe, posing a risk of heat-related illnesses such as heat exhaustion and heat stroke. These conditions can be life-threatening if left untreated. To prevent heat-related illnesses, tourists and locals can take the following steps:
- Stay in air-conditioned spaces or shaded areas to avoid direct sunlight.
- Wear lightweight, loose-fitting clothing that allows for good airflow.
- Take regular breaks to rest and hydrate in cool environments.
- Avoid strenuous activities during the hottest part of the day (usually between 11am and 3pm).
Precautions for tourists
Tourists should take additional precautions to stay safe during Kerala’s December weather conditions. This includes:
- Consulting with a healthcare professional before traveling to Kerala, especially if you have a pre-existing medical condition.
- Packing essential medications and medical equipment, such as inhalers and oxygen tanks.
- Staying hydrated by drinking plenty of water and electrolyte-rich beverages.
- Avoiding exposure to pollutants and dust, which can exacerbate respiratory problems.
Stay informed about the local weather conditions and take necessary precautions to stay safe during Kerala’s December heatwaves.
Closing Summary: Kerala Weather In Dec
As we conclude our discussion on Kerala weather in Dec, it’s clear that the state’s diverse climate plays a pivotal role in shaping its culture, economy, and lifestyle. By understanding the regional variations and climate patterns, we can appreciate the challenges and opportunities that Kerala’s unique climate presents. Whether you’re a local or a tourist, Kerala’s climate is a vital aspect of its charm and character.
FAQ Explained
Q: What is the average temperature range in Kerala during December?
The average temperature range in Kerala during December varies from 20-28°C (68-82°F) across different regions.
Q: Which region receives the highest rainfall in December?
The hilly regions, particularly Munnar, receive the highest rainfall in December, often experiencing heavy showers and landslides.
Q: What are the best activities to perform in Kerala during December?
December is an ideal time to participate in outdoor activities like trekking, wildlife spotting, and water sports in Kerala.
Q: How does climate change affect Kerala’s December weather?
Climate change has led to increased temperatures and altered rainfall patterns, posing a significant threat to Kerala’s agriculture and water resources.
Q: What are the health concerns associated with Kerala’s December weather?
The high temperatures and humidity in Kerala during December can cause heat-related illnesses and respiratory problems.
