Greenly Garden

Gardening in El Salvador: climate, frost dates and crops by region

None of the 4 cities of El Salvador on this page had frost in 2016–2025, so gardens there follow warmth and rain rather than frost dates. The warmest month averages 35.6 °C by day in San Miguel and 28.4 °C in San Salvador.

Climate zones of El Salvador

By the days between the last spring frost and the first autumn frost.

ZoneCitiesFrost-free daysLast spring frostFirst autumn frost
No frost in ten yearsChalatenango, Santa Ana, San Salvador, San Miguel———

Which crops suit which part of El Salvador

Cities without a spring frost: months that suit each crop

Months whose average day is not above the highest temperature on the plant card and whose average night is not below its lowest.

CityTomatoCucumberBell PepperEggplantWatermelon
ChalatenangononeMay–FebruarynonenoneMay–February
Santa Ananoneall yearJune and Octobernoneall year
San SalvadorMaynoneApril–Octobernonenone
San MiguelnoneApril–FebruaryOctobernoneApril–February

Cities of El Salvador: weather in numbers

CityFrost-free daysWarmest month, dayColdest month, nightRain a yearDriest monthPlaces to buy
Chalatenangono frostMarch, 35.5 °CJanuary, 20.8 °C1,680 mmJanuary2
Santa Anano frostApril, 34.5 °CJanuary, 19.5 °C1,399 mmJanuary9
San Salvadorno frostMarch, 28.4 °CJanuary, 13.2 °C1,463 mmJanuary30
San Miguelno frostMarch, 35.6 °CJanuary, 21.9 °C1,625 mmJanuary16

ERA5 2016–2025 via Open-Meteo, 25 km grid cell of each city; dates by the Greenly calendar and the plant cards.

More about El Salvador