Greenly Garden

Last and first frost dates in San Isidro de El General

Costa Rica

San Isidro de El General 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 Isidro de El General

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 Isidro de El General

CityDistanceLast spring frostFirst autumn frost
San José76 km——
Limón105 km——
Puntarenas140 km——
David175 km——
Liberia236 km——

Seeds, seedlings and markets in San Isidro de El General

Within 15 km of San Isidro de El General OpenStreetMap lists 4 garden centres, 3 farm-supply shops, 3 plant nurseries, 1 market and 1 farm shop (collected 28 October 2026). The nearest garden centre to the city centre is Vivero La Bonita Jardín Tropical, 4 km away.

Places: © OpenStreetMap contributors, ODbL.

Weather in San Isidro de El General by month

Average weather in San Isidro de El General over 2016–2025: the warmest month is March. Months that average 20 °C or more by day: January–December (21.5–24.5 °C). No month averages below 0 °C at night; the coldest nights, in January, average 16.3 °C. About 6926 mm of rain falls in a year, on 328 days; October is the wettest month (1104 mm) and February the driest (71 mm).

MonthDay, °CNight, °CRain, mmRainy days
January22.916.313621
February2416.67116
March24.517.112021
April23.617.641129
May2317.871331
June22.517.577730
July22.317.470231
August22.317.385231
September22.317.385330
October21.817.2110431
November21.51791530
December22.116.427227

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).