San Salvador Weather & Climate: Best Time to Visit

With minimal seasonal shifts, San Salvador experiences a constant climate year-round. Average daytime temperatures reach a very warm 34°C (93°F) in March. In January, the coolest month of the year, temperatures drop to a very warm 31°C (88°F).

At night, temperatures range from around 23°C (73°F) in March to 20°C (68°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

San Salvador has a notably wet climate with abundant precipitation, recording 1661 mm (65 in) of rainfall per year. San Salvador can be quite wet during September, receiving approximately 322 mm (13 in) of precipitation over 29 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 4.1 mm (0.2 in) of precipitation spread across 4 rainy days days. For more details, please visit our San Salvador Precipitation page.

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

The average number of days each month with precipitation

San Salvador can be enjoyed more throughout the sunniest month of January under a blue sky, with approximately 10.1 hours of sunshine daily. In contrast, the city experiences much darker days in June, with only 5.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in San Salvador.

The city experiences its highest humidity in September, reaching 86%. In January, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The mean wind speed over the year ranges from 1 m/s (2 knots) in June, July, August, September and October to 3 m/s (6 knots) in January and December. What does this mean?

The mean monthly wind speed over the year (meters per second)