Average annual temperature is 17.8 °C
Absolute maximum temperature: 24.9 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 73 days
Number of rainy days: 292 days
Look at detailed online map of San Isidro de Leon Cortes
* Weather data for San Isidro de Leon Cortes Costa Rica is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.5 | 23.6 | 23.5 | 23.8 | 24.9 | 24.1 | 23.8 | 23.7 | 23.1 | 22.6 | 23.3 | 23.4 |
| Average daytime temperature (°C) | 21.1 | 22.1 | 21.6 | 22.4 | 22.7 | 21.5 | 21.9 | 22.0 | 22.0 | 20.8 | 21.2 | 22.2 |
| Average temperature (°C) | 17.0 | 17.6 | 17.3 | 17.9 | 18.7 | 18.1 | 18.2 | 18.0 | 17.8 | 17.4 | 17.7 | 18.0 |
| Average night temperature (°C) | 14.1 | 14.6 | 14.2 | 14.5 | 15.6 | 15.4 | 15.2 | 14.8 | 14.6 | 15.0 | 15.0 | 15.0 |
| Absolute minimum temperature (°C) | 12.4 | 12.0 | 11.1 | 11.7 | 13.9 | 13.8 | 13.6 | 13.1 | 13.2 | 13.7 | 13.8 | 12.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.8 | 9.9 | 10.5 | 9.2 | 8.0 | 8.3 | 8.5 | 9.0 | 6.6 | 8.2 | 10.3 |
| Precipitation (mm) | 24 | 4 | 169 | 70 | 288 | 435 | 251 | 288 | 298 | 837 | 308 | 51 |
| Sunny days | 13 | 20 | 8 | 2 | 7 | 2 | 3 | 1 | 1 | 0 | 1 | 15 |
| Rainy days | 18 | 8 | 23 | 28 | 24 | 28 | 28 | 30 | 29 | 31 | 29 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isidro de Leon Cortes is at