Greenly Garden

Last and first frost dates in San Salvador

El Salvador

San Salvador had no frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.

Last spring frostnone in ten years
First autumn frostnone in ten years

Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.

There is no frost season here: crops are planted by warmth and rain rather than by frost dates.

When the soil warms up in San Salvador

The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo).

SoilDate
5 °Calready in the first week of January
10 °Calready in the first week of January
15 °Calready in the first week of January
18 °Calready in the first week of January

Frost dates near San Salvador

CityDistanceLast spring frostFirst autumn frost
Chalatenango46 km——
Santa Ana51 km——
San Miguel112 km——
Guatemala City176 km——
Escuintla185 km——

Seeds, seedlings and markets in San Salvador

Within 15 km of San Salvador OpenStreetMap lists 4 garden centres, 3 farm-supply shops, 6 plant nurseries, 36 markets and 2 farm shops (collected 28 October 2026). The nearest garden centre to the city centre is Vivero flores y plantas, 6 km away.

Places: © OpenStreetMap contributors, ODbL.

Weather in San Salvador by month

Average weather in San Salvador over 2016–2025: the warmest month is March. Months that average 20 °C or more by day: January–December (23.5–28.4 °C). No month averages below 0 °C at night; the coldest nights, in January, average 13.2 °C. About 1463 mm of rain falls in a year, on 195 days; June is the wettest month (290 mm) and January the driest (7 mm).

MonthDay, °CNight, °CRain, mmRainy days
January26.513.273
February27.513.693
March28.414.7165
April27.615.76616
May25.716.320125
June23.615.829027
July25.515.613421
August24.915.719326
September2415.623728
October23.515.220724
November24.214.38712
December25.713.6165

Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).