Temperatures in January
It's hot in January in Costa Rica with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 23°C and 24°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Costa Rica in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Costa Rica with hot temperatures, averaging around 31°C during the day and nights close to 23°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-January
By mid-January, the average daytime temperature stays the same at 31°C, with nights close to 23°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of January
By the end of January, the average daytime temperature in Costa Rica will be around 31°C, with nights close to 24°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in January
In January, there is an average of 90 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the Northwest.
Across the whole month, the average precipitation chance is 51% per day. Though it seems average, the weather’s variable. Some days have a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January 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 January |
London | ||
|---|---|---|---|
 Average Temperature |
30°C | 8°C | |
 High Temp |
31°C | 9°C | |
| Low Temp |
29°C | 6°C | |
 Total Precipitation |
90 mm | 58 mm | |
| Rainy Days |
16 days | 9 days | |
December
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit Costa Rica?
January is a great month to be in Costa Rica for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Costa Rica in January
With 39°C, Costa Rica hit the highest temperature in the last 10 years in January 2022. The lowest daytime temperature in this month was 26°C in 2022. The extreme night temperatures ranged from a low of 17°C to a high of 26°C.
Check out the climate of Costa Rica for all months and discover the best travel time
Daily Temperature in January in Costa Rica
This chart shows the average daily temperatures, both day and night, for each day in January 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 January in Costa Rica
The chart below shows the average daily precipitation in January 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 January, you can expect around 16 days of rain in Costa Rica.
Daily UV Index in January in Costa Rica
This chart shows the average daily UV index in January 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 January in Costa Rica Over the Years
This chart shows the average temperature in January in Costa Rica, measured in degrees Celsius, over the past years.
Total Precipitation in January in Costa Rica Over the Years
This chart shows the average precipitation in January 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 January for Costa Rica
Click on a specific day in January 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 January in Costa Rica
Have you been to Costa Rica in January?
Share your weather experience in January 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
