Climate averages 1991–2020

Weather in El Salvador.

ClimaNote covers 6 cities in El Salvador, starting with San Salvador, Soyapango and San Miguel, El Salvador. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 27.5°C in Santa Tecla to 33.2°C in San Miguel, El Salvador, and yearly rainfall from 985 mm in Santa Ana, El Salvador to 1,783 mm in San Miguel, El Salvador. The hottest city-month is March in San Miguel, El Salvador, with an average high of 36.1°C, and the coolest is October in Santa Tecla, at 25.7°C. By single month, the most rain falls in September in San Miguel, El Salvador, with 343 mm, and the least in January in San Miguel, El Salvador, with 1.2 mm.

March is the warmest month in 5 cities and April in 1; October is the coolest in every city. September is the wettest month in every city; January is the driest in 5 cities and February in 1. Of these cities, 5 have a month with more than 300 mm of rain; none has a month with an average high below 2.0°C or a month with under 1 mm of rain.