February Weather in San Isidro, Costa Rica

Last updated: August 23, 2025

In February, the average temperature in San Isidro, Costa Rica is a pleasant 22°C (73°F). Visitors can expect a range, with lows of 17°C (64°F) and highs reaching 26°C (79°F). However, be prepared for 99 mm (3.9 in) of precipitation spread over approximately 23 days, contributing to an average humidity of 68%. Embrace the diverse weather while exploring this charming destination!

February Temperature in San Isidro

In February in San Isidro, the average temperature is 22°C (73°F), with maximums reaching up to 26°C (79°F) and minimums dipping as low as 17°C (64°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates February temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, February typically has an average temperature of 22°C (73°F), with highs reaching up to 26°C (79°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec727273737373727272727271
Data source: Temperature data for San Isidro 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 Isidro

In San Isidro in February, the total precipitation amount is 99 mm (3.9 in), occurring over the course of 23 days.

February Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 Isidro, February typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec19499120350742663784838766937885354
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Isidro

In San Isidro in February humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

February Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 Isidro 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 Isidro

In San Isidro 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 Isidro, you can check here.

Maximum UV Index Levels in San Isidro for February

The chart shows the monthly maximum UV Index (UVI) for San Isidro 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 Isidro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415151514141414141211
Data source: San Isidro 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 Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)194 mm (7.6 inches)68%extreme
February Weather22°C (73°F)99 mm (3.9 inches)68%extreme
March Weather23°C (73°F)120 mm (4.7 inches)66%extreme
April Weather23°C (73°F)350 mm (13.8 inches)67%extreme
May Weather23°C (73°F)742 mm (29.2 inches)69%extreme
June Weather23°C (73°F)663 mm (26.1 inches)84%extreme
July Weather22°C (73°F)784 mm (30.8 inches)85%extreme
August Weather22°C (73°F)838 mm (33.0 inches)82%extreme
September Weather22°C (72°F)766 mm (30.1 inches)81%extreme
October Weather22°C (72°F)937 mm (36.9 inches)80%extreme
November Weather22°C (72°F)885 mm (34.8 inches)80%extreme
December Weather22°C (72°F)354 mm (13.9 inches)72%extreme

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