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February Weather in San Juan, Costa Rica

Last updated: August 23, 2025

In February, the average temperature in San Juan, Costa Rica is a comfortable 17°C (64°F), with a minimum of 11°C (52°F) and a pleasant maximum of 25°C (78°F). Expect about 43 mm (1.7 in) of precipitation spread over 12 days, accompanied by an average humidity level of 68%. Enjoy the mild weather while exploring!

February Temperature in San Juan

In February in San Juan, the average temperature is 17°C (64°F). Maximum temperatures can reach 25°C (78°F), and the minimum can be as low as 11°C (52°F). This mild climate makes San Juan an ideal destination for travelers looking to enjoy comfortable outdoor activities during this time of year.

February Weather in San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, February typically has an average temperature of 17°C (64°F), with highs reaching up to 25°C (78°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec636364666666666666656564
Data source: Temperature data for San Juan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in San Juan

In San Juan in February, the precipitation amount is 43 mm (1.7 in) over a span of 12 days.

February Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In San Juan, February typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec934349113425341266304380517260156
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Juan

In San Juan in February, humidity is 68%. With an average temperature of 17°C (64°F), this humidity feels like a damp embrace that lingers on the skin, making every step feel heavier and every breath a little more labored, which can be a challenge for traveling.

February Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in San Juan is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Juan

In San Juan in February, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Juan, you can check here.

Maximum UV Index Levels in San Juan for February

The chart shows the monthly maximum UV Index (UVI) for San Juan in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in San Juan typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161414141414151211
Data source: San Juan February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How February Weather in San Juan Compares to Other Months

Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Juan, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)93 mm (3.7 inches)68%extreme
February Weather17°C (64°F)43 mm (1.7 inches)68%extreme
March Weather18°C (64°F)49 mm (1.9 inches)66%extreme
April Weather19°C (66°F)113 mm (4.4 inches)67%extreme
May Weather19°C (67°F)425 mm (16.7 inches)69%extreme
June Weather19°C (67°F)341 mm (13.4 inches)84%extreme
July Weather19°C (66°F)266 mm (10.5 inches)85%extreme
August Weather19°C (66°F)304 mm (12.0 inches)82%extreme
September Weather19°C (66°F)379 mm (14.9 inches)81%extreme
October Weather19°C (66°F)517 mm (20.4 inches)80%extreme
November Weather18°C (65°F)260 mm (10.3 inches)80%extreme
December Weather18°C (64°F)156 mm (6.1 inches)72%extreme

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