Climate in San Isidro (San José), Costa Rica

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in San Isidro, Costa Rica

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in San Isidro, Costa Rica

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* Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in San Isidro, Costa Rica

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in San Isidro, Costa Rica

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in San Isidro, Costa Rica

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* Data from: Quepos, Costa Rica (50 KM, 31 Miles).

Weather Forecasts for San Isidro

Thu   Feb 29
30°C | 20°C
SW 11 km/h
broken clouds and no rain

broken clouds and no rain

Fri   Mar 01
30°C | 19°C
SW 11 km/h
2.3 mm
broken clouds and small chance of rain

broken clouds and small chance of rain

Sat   Mar 02
30°C | 19°C
SW 7 km/h
2.6 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

The best time of year to visit San Isidro in Costa Rica

Other facts from our historical weather data:

  • Which is the warmest month in San Isidro?
    April has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in San Isidro?
    The coldest month is January with an average maximum temperature of 23°C.
  • Which is the wettest month in San Isidro?
    October tops the wettest month list with 737 mm of rainfall.
  • Which is the driest month in San Isidro?
    February is the driest month with 104 mm of precipitation.
  • Which is the sunniest month in San Isidro?
    March is the sunniest month with an average of 270 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.