Temperatures in December
It's hot in December in Costa Rica with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 22°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Costa Rica in December. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of December
The month of December starts in Costa Rica with hot temperatures, averaging around 32°C during the day and nights close to 23°C. There’s little chance of precipitation. The weather is mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-December
By mid-December, the average daytime temperature drops to around 31°C, with nights close to 23°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of December
By the end of December, the average daytime temperature in Costa Rica will be around 31°C, with nights close to 22°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
Precipitation in December
In December, there is an average of 24 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The precipitation chance averages 10% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in December for Costa Rica. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Costa Rica in December |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 9°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
30°C | 8°C | |
 Total Precipitation |
24 mm | 67 mm | |
| Rainy Days |
3 days | 10 days | |
November
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Costa Rica?
December is a great month to be in Costa Rica for sunny weather. You’ll get high temperatures and not too much rain this month.
The hurricane season in Costa Rica runs from June to November.
Temperature records for Costa Rica in December
With 34°C, Costa Rica hit the highest temperature in the last 10 years in December 2015. The lowest daytime temperature in this month was 23°C in 2017. The extreme night temperatures ranged from a low of 14°C to a high of 26°C.
Check out the climate of Costa Rica for all months and discover the best travel time
Curious about the climate in other parts of Cuba? Check out the weather and climate in places like Havana, Varadero, Trinidad, or have a look at other destinations in Cuba.
Daily Temperature in December in Costa Rica
This chart shows the average daily temperatures, both day and night, for each day in December in Costa Rica, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in December in Costa Rica
The chart below shows the average daily precipitation in December for Costa Rica, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for December, you can expect around 3 days of rain in Costa Rica.
Daily UV Index in December in Costa Rica
This chart shows the average daily UV index in December in Costa Rica, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Costa Rica Over the Years
This chart shows the average temperature in December in Costa Rica, measured in degrees Celsius, over the past years.
Total Precipitation in December in Costa Rica Over the Years
This chart shows the average precipitation in December in Costa Rica, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in December for Costa Rica
Click on a specific day in December for detailed info on the typical weather on that day in Costa Rica. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Costa Rica
Have you been to Costa Rica in December?
Share your weather experience in December in Costa Rica.
Average Weather in Costa Rica by Month
Click on a month below to see detailed weather info for Costa Rica. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Costa Rica for all months at once
