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.
| Zone | Cities | Frost-free days | Last spring frost | First autumn frost |
|---|---|---|---|---|
| No frost in ten years | Chalatenango, 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.
| City | Tomato | Cucumber | Bell Pepper | Eggplant | Watermelon |
|---|---|---|---|---|---|
| Chalatenango | none | May–February | none | none | May–February |
| Santa Ana | none | all year | June and October | none | all year |
| San Salvador | May | none | April–October | none | none |
| San Miguel | none | April–February | October | none | April–February |
Cities of El Salvador: weather in numbers
| City | Frost-free days | Warmest month, day | Coldest month, night | Rain a year | Driest month | Places to buy |
|---|---|---|---|---|---|---|
| Chalatenango | no frost | March, 35.5 °C | January, 20.8 °C | 1,680 mm | January | 2 |
| Santa Ana | no frost | April, 34.5 °C | January, 19.5 °C | 1,399 mm | January | 9 |
| San Salvador | no frost | March, 28.4 °C | January, 13.2 °C | 1,463 mm | January | 30 |
| San Miguel | no frost | March, 35.6 °C | January, 21.9 °C | 1,625 mm | January | 16 |
ERA5 2016–2025 via Open-Meteo, 25 km grid cell of each city; dates by the Greenly calendar and the plant cards.