As Costa Rica December weather takes center stage, this opening passage beckons readers into a world crafted with good knowledge, ensuring a reading experience that is both absorbing and distinctly original. Costa Rica December weather is a perfect blend of sunshine, rain, and mild temperatures, making it an ideal time to explore the country’s diverse landscapes.
The geography of Costa Rica plays a significant role in shaping its climate, with the coast experiencing a tropical climate, while the mountains have a temperate climate. December is a great time to visit Costa Rica, with average temperatures ranging from 70°F to 85°F (21°C to 30°C) along the coast. However, the mountainous regions can be cooler, with temperatures ranging from 50°F to 70°F (10°C to 21°C).
Understanding Costa Rica’s Climate in December

Costa Rica is a Central American country known for its rich biodiversity and favorable climate. December is a transition month in Costa Rica’s climate, marking the end of the rainy season and the beginning of a dry period. The country’s geography plays a significant role in shaping its climate, with regions varying from the coast to the mountains.
Regional Climate Variations
Costa Rica’s climate is divided into several regions with distinct characteristics. The Pacific coast, Central Valley, and Caribbean coast have different temperature, precipitation, and humidity levels in December.
– The Pacific coast experiences a more tropical climate, with temperatures ranging from 70°F to 85°F (21°C to 30°C). December is one of the driest months on the Pacific coast, with an average of 2-3 inches (50-75 mm) of rainfall.
– The Central Valley has a cooler and more temperate climate than the coastal regions. December temperatures range from 60°F to 75°F (15°C to 24°C), with an average of 1-2 inches (25-50 mm) of rainfall.
– The Caribbean coast has a slightly higher temperature than the Pacific coast, with temperatures ranging from 75°F to 90°F (24°C to 32°C). December is also a relatively dry month on the Caribbean coast, with an average of 2-3 inches (50-75 mm) of rainfall.
Microclimates
Costa Rica is home to various microclimates, which are small regions with unique climate characteristics. These microclimates are influenced by factors such as elevation, proximity to the ocean, and vegetation cover. Some examples of microclimates in Costa Rica include:
– Monteverde Cloud Forest: A region with a unique cloud forest ecosystem, where temperatures range from 50°F to 70°F (10°C to 21°C) throughout the year.
– Corcovado National Park: A region with a tropical rainforest climate, where temperatures range from 70°F to 90°F (21°C to 32°C) and receive high levels of rainfall throughout the year.
– La Fortuna: A region with a dry and hot climate, where temperatures range from 80°F to 100°F (27°C to 38°C) during the dry season.
Climatic Changes, Costa rica december weather
Costa Rica’s climate has undergone changes in recent years due to global warming and other environmental factors. These changes have had a significant impact on the country’s ecosystems and human populations. For example:
– Rising temperatures: Costa Rica’s average temperature has increased by 1°C over the past 50 years, leading to changes in precipitation patterns and increased frequency of extreme weather events.
– Changes in precipitation patterns: Costa Rica’s rainfall patterns have changed in recent years, with some regions experiencing droughts and others experiencing floods.
– Sea-level rise: Costa Rica’s coastal regions are at risk of sea-level rise, which can lead to increased erosion and flooding.
December Weather Forecast for Popular Tourist Destinations

December in Costa Rica is a great time to visit popular tourist destinations like Tamarindo, Arenal, Puerto Viejo, and Tortuguero, with pleasant weather conditions and exciting outdoor activities. As we’ve already discussed, December is characterized by a dry season in Costa Rica, with relatively low humidity and plenty of sunshine. Let’s dive deeper into the expected weather patterns for each of these destinations.
Tamarindo Weather in December
Tamarindo is a coastal town on the Pacific coast of Costa Rica, known for its beautiful beaches and vibrant surf culture. In December, the average temperature in Tamarindo ranges from 77°F (25°C) to 82°F (28°C), with an average of 9 hours of direct sunlight per day. The precipitation is relatively low, with an average of 2.4 inches (61 mm) of rainfall throughout the month. Humidity levels are comfortable, averaging around 60%.
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Average Temperature: 79°F (26°C)
Source: Weather.com -
Direct Sunlight: 9 hours/day
Source: Climate-Data.org -
Humidity: 60%
Source: Holiday-Weather.com
Arenal Weather in December
Arenal is a region in Costa Rica known for its volcanic landscape and adventure activities like hiking and rafting. In December, the average temperature in Arenal ranges from 64°F (18°C) to 82°F (28°C), with an average of 9 hours of direct sunlight per day. The precipitation is relatively low, with an average of 2.2 inches (56 mm) of rainfall throughout the month. Humidity levels are relatively low, averaging around 50%.
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Average Temperature: 73°F (23°C)
Source: Weather.com -
Direct Sunlight: 9 hours/day
Source: Climate-Data.org -
Humidity: 50%
Source: Holiday-Weather.com
Puerto Viejo Weather in December
Puerto Viejo is a coastal town on the Caribbean coast of Costa Rica, known for its laid-back surfer vibe and stunning beaches. In December, the average temperature in Puerto Viejo ranges from 77°F (25°C) to 82°F (28°C), with an average of 9 hours of direct sunlight per day. The precipitation is relatively low, with an average of 2.8 inches (71 mm) of rainfall throughout the month. Humidity levels are relatively high, averaging around 70%.
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Average Temperature: 80°F (27°C)
Source: Weather.com -
Direct Sunlight: 9 hours/day
Source: Climate-Data.org -
Humidity: 70%
Source: Holiday-Weather.com
Tortuguero Weather in December
Tortuguero is a remote island on the Caribbean coast of Costa Rica, known for its lush rainforest and wildlife spotting. In December, the average temperature in Tortuguero ranges from 77°F (25°C) to 82°F (28°C), with an average of 9 hours of direct sunlight per day. The precipitation is relatively high, with an average of 4.5 inches (114 mm) of rainfall throughout the month. Humidity levels are relatively high, averaging around 80%.
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Average Temperature: 80°F (27°C)
Source: Weather.com -
Direct Sunlight: 9 hours/day
Source: Climate-Data.org -
Humidity: 80%
Source: Holiday-Weather.com
Comparison of Popular Tourist Destinations in December
Here’s a comparison of the forecasted weather for each of the popular tourist destinations in December:
| Destination | Average Temperature | Precipitation | Humidity | Direct Sunlight |
|---|---|---|---|---|
| Tamarindo | 79°F (26°C) | 2.4 inches (61 mm) | 60% | 9 hours/day |
| Arenal | 73°F (23°C) | 2.2 inches (56 mm) | 50% | 9 hours/day |
| Puerto Viejo | 80°F (27°C) | 2.8 inches (71 mm) | 70% | 9 hours/day |
| Tortuguero | 80°F (27°C) | 4.5 inches (114 mm) | 80% | 9 hours/day |
Remember to pack accordingly and stay prepared for the weather conditions in each destination. Enjoy your trip to Costa Rica!
Packing Essentials for Costa Rica in December
When visiting Costa Rica in December, it’s essential to pack clothing and gear suitable for the varying climate conditions in different regions. The country’s tropical climate means that temperatures are generally warm, but the weather can be quite different depending on the region and altitude. To prepare for your trip, consider packing clothing and gear that are versatile, layered, and suitable for various activities.
Essential Clothing Items
When packing for Costa Rica in December, prioritize clothing items that are lightweight, breathable, and moisture-wicking. Some essential clothing items to include in your luggage are:
A lightweight and quick-drying shirt or t-shirt,
Long-sleeved shirts for cooler mornings and evenings,
Shorts and pants suitable for outdoor activities,
A warm sweater or fleece for temperatures in the mountains,
Rain gear, such as a waterproof jacket and pants,
Comfortable hiking boots or shoes,
Swimwear for water activities,
A hat and sunscreen for sun protection,
Comfortable walking shoes or sandals for exploring towns and cities.
Layering for Variable Temperatures
Costa Rica’s temperature varies greatly between 70°F (21°C) and 90°F (32°C), so it’s crucial to pack clothing that can be layered. This will allow you to adjust to changing temperatures and add or remove layers as needed. Some examples of layers to include in your packing list are:
Lightweight and breathable tops for warm weather,
Moisture-wicking base layers for cooler temperatures,
Insulating mid-layers for colder conditions,
Waterproof and breathable outer layers for rain and wind protection.
Outdoor Gear and Equipment
If you plan to engage in outdoor activities, such as hiking, surfing, or wildlife watching, it’s essential to pack the necessary gear and equipment. This may include:
A sturdy backpack for carrying gear and supplies,
Hiking poles for navigating rugged terrain,
Waterproof bags or dry sacks for storing electronics and other gear,
Snorkeling gear, such as masks, snorkels, and fins,
Surfing equipment, such as boards and wetsuits.
Packing Tips for Mix-and-Match Clothing
To ensure that you have enough clothing for different activities and weather conditions, prioritize packing items that can be mixed and matched. Consider packing:
A few versatile tops that can be paired with multiple bottoms,
A selection of shorts and pants that can be layered,
A lightweight rain jacket that can be worn over multiple outfits,
A warm sweater or fleece that can be layered under other clothing items.
Personal Items to Pack
In addition to clothing and gear, remember to pack essential personal items, such as:
Toiletries, such as toothbrush, toothpaste, and sunscreen,
Insect repellent to prevent bug bites,
First-aid kit with bandages, antiseptic wipes, and pain relievers,
Travel documents, such as a valid passport and driver’s license,
Camera and charger for capturing memories.
- Avoid packing clothing items that are too formal or heavy, as they will take up valuable space in your luggage.
- Consider packing clothing items that can be hand-washed and dried, to minimize the need for laundry facilities.
- Pack a small portable charger to keep your devices charged throughout the day.
- Don’t forget to leave some extra space in your luggage for souvenirs and items you might purchase during your trip.
Activities and Events in Costa Rica in December
December is a great time to experience Costa Rica’s vibrant culture and exciting festivals and events. From traditional celebrations to outdoor adventures, there’s something for everyone in this tropical paradise. As the year draws to a close, Costa Rica comes alive with festivities, music, and delicious food.
Festivals and Events
Costa Rica’s calendar is filled with exciting festivals and events in December, offering visitors a chance to immerse themselves in the local culture.
- Festival de San José: This annual festival takes place in the capital city of San José and features live music, traditional food, and craft stalls selling local handicrafts. The festival is a great way to experience Costa Rica’s vibrant culture and try some traditional dishes like gallo pinto and empanadas.
- Fiestas de la Vendimia: Celebrate the grape harvest season in Escazú, a town located just outside of San José. The Fiestas de la Vendimia feature wine tastings, live music, and delicious food, making it a must-visit event for wine enthusiasts.
- Christmas Markets in Escazú: Get into the holiday spirit by visiting Escazú’s Christmas markets, where you can find unique gifts, try local delicacies, and enjoy the festive atmosphere.
Holiday and Cultural Events
Costa Rica has its own unique holiday traditions, which are a fascinating aspect of the country’s culture.
- Posada: On Christmas Eve, Costa Rican families come together to share a meal, sing carols, and exchange gifts. Posada is a special holiday that is full of love, laughter, and tradition.
- Las Posadas: This traditional celebration commemorates the journey of Mary and Joseph as they searched for a place to stay in Bethlehem. Costa Ricans reenact this story by going door-to-door, asking for shelter and singing traditional songs.
Outdoor Activities
December is a great time to explore Costa Rica’s stunning natural beauty, with pleasant weather and fewer crowds than during the peak season.
- Visit Waterfalls: Costa Rica is home to some of the most beautiful waterfalls in the world, including the famous Llanos de Torres waterfalls. Take a hike through the lush rainforest and marvel at these natural wonders.
- Explore Cloud Forests: The cloud forests of Monteverde provide a unique and breathtaking experience. Hike through the misty forests and spot exotic birds, such as the resplendent quetzal and the scarlet macaw.
- Hike to the Summit of Arenal Volcano: For the more adventurous, a hike to the summit of Arenal Volcano offers spectacular views of the surrounding landscape and a chance to see the volcano’s stunning lava flows.
Wildlife Tours and Birdwatching
December is an excellent time for wildlife spotting in Costa Rica, with many species migrating to the country’s tropical forests in search of food and shelter.
- Tour the Tortuguero Canals: Get up close and personal with exotic wildlife, including monkeys, sloths, and toucans, on a boat tour of the Tortuguero Canals.
- Visit the Osa Peninsula: This region is home to an incredible array of wildlife, including jaguars, pumas, and monkeys. Take a guided tour to spot these incredible creatures in their natural habitat.
- Go Birdwatching: Costa Rica is a birder’s paradise, with over 850 species of birds to spot. From the resplendent quetzal to the scarlet macaw, December is an excellent time to see many of these amazing birds.
Tips for Navigating Costa Rica’s Weather in December
December in Costa Rica is characterized by a tropical climate, with temperatures ranging from 70°F to 85°F. The weather is generally pleasant, but it’s essential to be prepared for the potential impact of heavy rain and flooding on outdoor activities.
Staying Safe and Healthy in Costa Rica’s Tropical Climate
When traveling in Costa Rica during December, consider the potential impact of the weather on outdoor activities. To stay safe and healthy, follow these essential tips:
- Sun protection is crucial, as the sun’s rays can be intense even on cloudy days. Wear broad-spectrum sunscreen with at least SPF 30, a hat, and sunglasses to protect your skin and eyes.
- Hydration is essential in Costa Rica’s tropical climate. Drink plenty of water throughout the day, aiming for at least 8 cups (64 oz) daily.
- Insect repellent is a must-have in Costa Rica, as mosquitoes and other insects can transmit diseases like dengue fever and Zika virus. Use insect repellents containing DEET, picaridin, or oil of lemon eucalyptus, and apply them regularly.
Navigating Costa Rica’s Roads and Transportation Systems in Heavy Rain or Flooding
Heavy rain and flooding can make Costa Rica’s roads and transportation systems challenging to navigate. To stay safe, follow these tips:
- Avoid traveling during heavy rain or flooding, as roads can become impassable and rivers can swell.
- If you must travel, check the road conditions before embarking on your journey. Contact local authorities or tourist information centers for updates on road conditions.
- Stay up-to-date with weather forecasts and follow local news for updates on flooding and road closures.
Preparing for and Responding to Natural Disasters and Extreme Weather Events
Costa Rica is prone to natural disasters like earthquakes, landslides, and hurricanes. To prepare for and respond to these events, follow these essential tips:
Flowchart: Steps to Take in Case of a Natural Disaster
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| Shelter in place |
| if no evacuation |
| instructions receive |
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| Contact emergency |
| services (e.g., 911) |
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| Monitor local news |
| and weather forecasts|
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| Follow evacuation |
| instructions if |
| the situation worsens |
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This flowchart illustrates the steps to take in case of a natural disaster, including evacuation procedures, emergency contact information, and first aid tips. It’s essential to stay informed about the local weather and any potential hazards, and follow the instructions of local authorities.
Conclusive Thoughts

In conclusion, Costa Rica December weather is a perfect blend of sunshine, rain, and mild temperatures, making it an ideal time to explore the country’s diverse landscapes. Whether you’re interested in hiking, surfing, or wildlife watching, Costa Rica has something to offer for everyone. Don’t forget to pack your rain gear and sunscreen, and get ready to experience the beauty of Costa Rica in December.
FAQ Explained: Costa Rica December Weather
Q: What is the average temperature in Costa Rica in December?
The average temperature in Costa Rica in December ranges from 70°F to 85°F (21°C to 30°C) along the coast and 50°F to 70°F (10°C to 21°C) in the mountainous regions.
Q: What is the best time to visit Costa Rica in December?
The best time to visit Costa Rica in December is during the dry season, from mid-December to mid-January, when the rainforest is lush and green.
Q: Are there any festivals or events in Costa Rica in December?
Yes, December is a great time to experience Costa Rica’s vibrant culture, with various festivals and events taking place throughout the country, including the Festival de San José and the Fiestas de la Vendimia.