Kicking off with December weather in New Zealand, this is a time of year when the country’s diverse regions showcase their unique charm. The warm and sunny days of summer are in full bloom, making it an ideal time to explore the great outdoors. From the sun-kissed beaches of the North Island to the rugged mountains of the South Island, December is a perfect time to experience the natural beauty of New Zealand. With an average temperature of 17°C (63°F), December is a time of year when the country’s diverse regions come alive with outdoor activities, festivals, and events.
The North Island’s North East trade winds play a significant role in shaping the region’s weather during December. The warm and humid air from the tropics brings gentle rain, making it an excellent time to explore the region’s lush forests and waterfalls. Meanwhile, the South Island’s rugged landscape is influenced by the Antarctic winds, resulting in crisp and cool weather. December is also a peak tourist season in New Zealand, with many visitors flocking to experience the country’s unique culture, cuisine, and outdoor activities.
December Weather Patterns on the North Island

December marks the beginning of summer in New Zealand’s North Island, a time of warm temperatures, long days, and unpredictable weather conditions. As the sun’s rays intensify, the weather can become increasingly turbulent, posing both opportunities and challenges for outdoor enthusiasts and residents alike.
Auckland’s Mild and Pleasant Weather
Auckland, the largest city on the North Island, experiences a generally mild and pleasant climate in December. With an average high temperature of 22°C (72°F), and average low of 15°C (59°F), the city’s weather is often characterized by plenty of sunshine and gentle sea breezes. However, it’s not uncommon for sudden rain showers or gusty winds to sweep in, making umbrellas and windbreakers essential accessories for the season.
Wellington’s Unpredictable Weather
Wellington, the capital city, enjoys a somewhat more erratic climate compared to Auckland. With December’s average high of 19°C (66°F) and average low of 12°C (54°F), the city’s weather can be quite changeable, with sudden downpours and strong winds. The harbor city’s proximity to the Cook Strait and the surrounding hills creates a unique weather dynamic, making it susceptible to the influence of prevailing winds and sea currents.
North-East Trade Winds
The north-east trade winds play a significant role in shaping the North Island’s weather patterns during December. These winds, also known as the northeasterlies, originate from the north Pacific and carry warm air from the tropics towards the equator. As they interact with the landmass, they bring with them moisture, which can lead to rainfall and thunderstorms.
Potential for Extreme Weather Events
While December’s weather on the North Island is generally pleasant, there is always a risk of extreme weather events like cyclones, heavy rainfall, and even droughts. Auckland and Wellington are more susceptible to heavy rainfall events due to their coastal locations and proximity to the surrounding mountains. These events can cause flooding, landslides, and disruptions to daily life, highlighting the importance of staying informed and prepared for changing weather conditions.
Weather Predictions and Preparations
To effectively prepare for December’s weather on the North Island, it’s essential to stay up-to-date with the latest weather forecasts and warning systems. Residents and visitors alike should be aware of the risks associated with extreme weather events and take necessary precautions to stay safe. This includes monitoring weather reports, following evacuation orders, and staying informed about local conditions and weather-related advisories.
South Island Weather in December: December Weather In New Zealand
December in the South Island is a winter season, with a mix of cool and frosty mornings, and mild afternoons. The temperatures range from 8°C to 12°C (46°F to 54°F) along the coastlines and around 7°C to 10°C (45°F to 50°F) in the inland areas. It is a great time to plan outdoor activities in the South Island, such as skiing, hiking, and exploring the scenic landscapes.
Impact of Antarctic Winds, December weather in new zealand
The Antarctic winds play a significant role in shaping the weather patterns of the South Island in December. The winds bring cold air from the Antarctic region, resulting in chilly temperatures, especially in the mornings. This cold air can also contribute to the formation of frost and fog, particularly in the valleys and low-lying areas. In contrast, the warmer air from the Tasman Sea and the Pacific Ocean helps to mitigate the cold temperatures, leading to relatively mild afternoons.
Popular Outdoor Activities and Events
Despite the chilly temperatures, December is a great time to enjoy various outdoor activities in the South Island. Some popular options include:
- Hiking and tramping: The South Island offers numerous hiking trails, ranging from easy day walks to multi-day treks. In December, the cooler temperatures make it an ideal time to explore the trails without encountering excessive heat stress.
- Skiing and snowboarding: The South Island is home to several world-class ski resorts, including Queenstown’s Coronet Peak, The Remarkables, and Treble Cone. December offers excellent snow conditions, and the resorts often have a festive atmosphere with Christmas events.
- Sailing and kayaking: The South Island’s coastlines offer stunning scenery and calm waters, perfect for sailing and kayaking. December is a great time to take a leisurely cruise or paddle through the calm waters of the fiords and sounds.
- Wildlife spotting: December is a great time to see Southern right whales, sperm whales, and humpback whales, which can be spotted along the coastlines and in the marine reserves.
Events and Festivals
The South Island hosts numerous events and festivals in December, showcasing the local culture and hospitality. Some popular events include:
- Summer Concert: Held in Christchurch, this event features local and international musicians performing in the city’s Botanic Gardens.
- Weedons Ski Resort’s Santa Run: This family-friendly event in Canterbury involves a fun ski-run to deliver Christmas presents to a snowman.
- Queenstown Winter Festival: This annual festival celebrates the start of winter with fireworks, live music, and skiing competitions.
Impacts of December Weather on Agriculture
The December weather patterns in New Zealand have significant impacts on the country’s agricultural sector. The warmer temperatures and increased precipitation during this period can bring both challenges and opportunities for farmers.
Crops such as summer fruits and vegetables, like tomatoes, cucumbers, and squash, thrive in the warmer temperatures of December. However, the increased rainfall can also lead to soil erosion and flooding, affecting crop yields and quality.
Farming Practices Adaptation
To adapt to the varying weather conditions, farmers in New Zealand employ several strategies.
- Crop rotation and diversification: By rotating crops and diversifying the types of crops grown, farmers can spread the risk of weather-related damage and take advantage of different weather conditions.
- Irrigation management: Farmers use efficient irrigation systems to maximize water use and minimize waste, ensuring that crops receive the right amount of water during dry periods and excess water during wet periods.
- Soil conservation: Measures such as terracing, contour farming, and mulching help to reduce soil erosion and prevent soil-borne diseases.
Crops and Livestock Vulnerability
Certain crops and livestock are more vulnerable to the December weather conditions in New Zealand.
- Summer crops: As mentioned earlier, summer fruits and vegetables thrive in the warmer temperatures of December. However, the increased rainfall can lead to water-borne diseases and root rot in these crops.
- Pastoral farming: Livestock such as sheep and cattle can be affected by the wet conditions of December, leading to increased pasture growth but also increased risk of disease and parasite infestations.
- Horticultural crops: Crops such as kiwifruit and avocados require precise temperature and moisture conditions to thrive. The December weather can pose a challenge to these crops.
Examples and Case Studies
Several case studies and examples illustrate the impacts of December weather on agriculture in New Zealand.
- The 2018 Hawke’s Bay floods: Heavy rainfall in December 2018 led to widespread flooding in Hawke’s Bay, affecting many farms and causing significant economic losses.
- The 2016 Kaikoura earthquake: The Kaikoura earthquake in November 2016 caused widespread damage to crops and infrastructure, which then led to a period of heavy rainfall in December 2016, exacerbating the damage.
Climate Change and December Weather Trends
New Zealand’s December weather patterns are influenced by climate change, a phenomenon that affects the country’s overall climate and weather conditions. Rising global temperatures and changing precipitation patterns have a significant impact on the country, leading to more frequent and severe weather events.
Observed Changes in December Weather Patterns
The past few decades have seen notable changes in December weather patterns in New Zealand. Some of the observed changes include:
* Warmer temperatures: New Zealand has experienced rising average temperatures over the past few decades, with an increase of around 1°C since 1900.
* Changing precipitation patterns: The country has seen shifts in precipitation patterns, with more frequent and intense rainfall events, particularly during the summer months.
* Increased extreme weather events: December has seen an increase in extreme weather events, including heatwaves, droughts, and heavy rainfall events.
Predictions for Future Climate Trends
Climate models project that New Zealand will continue to experience rising temperatures and changing precipitation patterns over the next few decades. Some of the predicted changes include:
* Continuing warming: Temperatures are predicted to rise by another 1-2°C by the end of the century, leading to more frequent and severe heatwaves.
* Increased precipitation variability: The country can expect more frequent and intense rainfall events, particularly during the summer months.
* Shifts in rainfall patterns: Climate models suggest that rainfall will become more variable, with some areas experiencing more frequent droughts and others experiencing more frequent floods.
Preparing for and Adapting to these Changes
Residents and visitors can prepare for and adapt to the changing December weather patterns in New Zealand by:
* Staying informed: Keeping up-to-date with the latest climate and weather forecasts can help individuals prepare for and respond to extreme weather events.
* Building resilience: Building resilience in communities, infrastructure, and ecosystems can help them better cope with the impacts of climate change.
* Adapting livelihoods: Adapting livelihoods, such as agriculture and tourism, to the changing climate can help individuals and communities thrive in a warmer and more variable climate.
For example, the city of Auckland has implemented a flood protection program to help residents prepare for and respond to extreme rainfall events. The program includes measures such as improved drainage systems, flood-proofing homes, and emergency response planning.
According to the Intergovernmental Panel on Climate Change (IPCC), the global average temperature is likely to rise by 1.5-2°C by the end of the century if greenhouse gas emissions continue to rise at current rates.
In another example, the agriculture sector in New Zealand is adapting to the changing climate by adopting more resilient crop varieties, improving irrigation systems, and implementing more efficient farming practices.
| Climate Change Impact | Adaptation Measure |
|---|---|
| Rising temperatures | Introducing more heat-tolerant crop varieties |
| Changing precipitation patterns | Implementing improved irrigation systems |
Summary

The December weather in New Zealand is a true delight. With its unique characteristics and diverse regions, the country offers something for everyone. From outdoor enthusiasts to foodies and cultural buffs, December is a perfect time to explore the best of New Zealand. Whether you’re a local or a visitor, December is a time to come together and experience the country’s natural beauty, vibrant culture, and warm hospitality.
Key Questions Answered
Q: What is the best time to visit New Zealand in December?
The best time to visit New Zealand in December is from December 1 to 15, when the weather is warm and sunny, and outdoor activities are in full swing.
Q: What are the average temperature and precipitation levels in December?
The average temperature in December ranges from 17°C (63°F) in the North Island to 12°C (54°F) in the South Island. The precipitation levels are moderate, with an average of 80mm (3.1 in) in the North Island and 50mm (2 in) in the South Island.
Q: What are the popular outdoor activities in December?
The popular outdoor activities in December include hiking, surfing, skiing, and fishing. December is also an excellent time to explore the country’s beautiful beaches, forests, and waterfalls.
Q: How does climate change affect the December weather in New Zealand?
Climate change has a significant impact on the December weather in New Zealand, with rising temperatures and increasing precipitation levels. It’s essential to stay informed and adapt to these changes to make the most of your trip.