San Salvador Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in San Salvador (San Salvador). 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 and October.
• San Salvador has dry periods in January, February, March and December.
• On average, September is the wettest month with 322 mm of precipitation.
• On average, January is the driest month with 4 mm of precipitation.
• The average amount of annual precipitation is 1661 mm.