San Antonio Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in San Antonio (Heredia). The numbers are calculated over a 30-year period to provide a reliable average.

A lot of rain (rainy season) falls in the months: May, June, July, August, September, October, November and December.
On average, October is the wettest month with 467 mm of precipitation.
On average, March is the driest month with 43 mm of precipitation.
The average amount of annual precipitation is 3059 mm.

Current rainfall in San Antonio

Thu Nov 14

23°C | 19°C

18 km/h

17 mm

overcast and heavy rain

hourly forecast

Fri Nov 15

23°C | 19°C

18 km/h

30 mm

overcast and heavy rain

hourly forecast

Sat Nov 16

23°C | 19°C

18 km/h

25 mm

overcast and thunder

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

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

Our site offers climate and forecast data for every country in the world. Are you going to Costa Rica? On this website you can find historical weather averages for many cities in Costa Rica. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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