Climate Overview
El Salvador has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -61°C in the coldest regions to highs of 29°C in the warmest areas. Annual precipitation ranges from 0mm in drier regions to 393mm in wetter parts of the country. Some regions receive significant snowfall, with up to 125cm annually, while other areas see little to none. The warmest areas are hot year-round while the coldest regions remain very cold, making El Salvador a country of sharp climate contrasts.
Temperature by Region
Temperature patterns across El Salvador vary by region, with distinct differences between areas. The Northwest is the warmest part of the country, with peak temperatures reaching 29°C and an annual average of 28°C. Cooler conditions are found in the Southeast, where winter lows drop to -61°C and an annual average of -57°C. This 85°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of El Salvador they visit. Regional temperature differences remain relatively consistent across seasons, with around 87°C of variation in both summer and winter. For example, Aguilares in the Departamento de San Salvador averages 28°C annually, while Usulután in the Departamento de Usulután averages -57°C.
Precipitation by Region
El Salvador sees notable variation in rainfall across its regions, ranging from 0mm to 393mm per year. The East receives the most rainfall, at approximately 393mm annually. The West is the driest, with around 0mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. The Central sees the most snowfall, with up to 125cm annually, while other parts of the country receive little to none. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.
