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Average humidity in San Isidro

On this page you find more information about the monthly relative humidity over the year in San Isidro (San José), Costa Rica.


San Isidro's humidity levels vary throughout the year. The highest levels occur in June, reaching 83% (very high), while the lowest is recorded in April at 79%.

Throughout the year, the average humidity in San Isidro is 81%.

Humidity plays an important role in how temperatures are felt. During the warmest month, April, the maximum average temperature is around 25°C. Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.

During the coldest month, January, the maximum average temperature is around 24°C. This period has very high humidity. Check out our detailed temperature page for more information.


Forecast for San Isidro

Sat   Jan 11
30°C | 18°C
SW 2 m/s
3.9 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Sun   Jan 12
27°C | 21°C
SW 2 m/s
4.9 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Jan 13
28°C | 18°C
SW 3 m/s
3.8 mm
overcast and  chance of rain

overcast and chance of rain

Interested in more climate information?

This site provides you with all the information you need about the climate in San Isidro.

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