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 Province), 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 (77°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, November, the maximum average temperature is around 23°C (73°F). This period has very high humidity. Check out our detailed temperature page for more information.
San Isidro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Isidro - and find the best time to visit.
San Isidro 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full San Isidro climate overview or explore weather in Costa Rica.
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Tamarindo
31°C (88°F) Cahuita29°C (84°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Fortuna28°C (82°F) Jacó28°C (82°F) San José24°C (75°F) 
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