Climate in San Antonio (Heredia), 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 Antonio, 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 Antonio, Costa Rica

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* Data from: San José, Costa Rica (12 KM, 7 Miles).

Monthly precipitation

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

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

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in San Antonio, Costa Rica

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* Data from: San José, Costa Rica (12 KM, 7 Miles).

Weather Forecasts for San Antonio

Fri   Mar 01
29°C | 18°C
E 29 km/h
broken clouds and no rain

broken clouds and no rain

Sat   Mar 02
31°C | 18°C
NE 29 km/h
almost clear and no rain

almost clear and no rain

Sun   Mar 03
31°C | 19°C
NE 25 km/h
0.2 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

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

During the months of January, February, May, June, July, August, September, October, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in San Antonio?
    April has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in San Antonio?
    The coldest month is January with an average maximum temperature of 25°C.
  • Which is the wettest month in San Antonio?
    October tops the wettest month list with 467 mm of rainfall.
  • Which is the driest month in San Antonio?
    March is the driest month with 43 mm of precipitation.
  • Which is the sunniest month in San Antonio?
    March is the sunniest month with an average of 284 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.