San Salvador Weather and Climate: A Comprehensive Guide
San Salvador has a steady very warm climate throughout the year.
It also experiences much rainfall throughout the year.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
With minimal seasonal shifts, San Salvador experiences a constant climate year-round. Average daytime temperatures reach a very warm 34°C in March. In January, the coolest month of the year, temperatures drop to a very warm 31°C.
At night, you can expect cooler temperatures, with averages dropping to around 20°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
San Salvador has a notably wet climate with abundant precipitation, recording 1661 mm of rainfall per year. San Salvador can be quite wet during September, receiving approximately 322 mm of precipitation over 29 rainy days. In contrast January, experiences much drier conditions, with 4.1 mm of rainfall, spread across 4 rainy 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
Sunshine over the year
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
Average humidity
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
Average wind speed
The mean wind speed over the year ranges from 1 m/s in June, July, August, September and October to 3 m/s in January and December.
The mean monthly wind speed over the year (meters per second)
clear and no rain almost clear and no rain clear and no rainForecast for San Salvador
4 m/s
4 m/s
4 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit San Salvador in El Salvador
San Salvador has high temperatures year round ranging between 30°C and 34°C.The best time to visit is during the drier months: January, February, March, November and December.
Other facts from our historical weather data:
Rainy season in San Salvador occurs in the months of May, June, July, August, September and October.
Yes, the months of January, February, March and December are very dry.
March has an average maximum temperature of 34°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 31°C.
September tops the wettest month list with 322 mm of rainfall.
January is the driest month with 4 mm of precipitation.
January is the sunniest month with an average of 303 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.
