Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Copalío
* Weather data for Copalío El Salvador is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.0 | 38.2 | 40.5 | 40.2 | 39.7 | 34.6 | 37.4 | 36.4 | 35.6 | 34.9 | 37.2 | 37.9 |
| Average daytime temperature (°C) | 35.6 | 36.6 | 37.1 | 37.6 | 36.1 | 32.9 | 34.2 | 34.1 | 34.3 | 32.4 | 32.9 | 36.2 |
| Average temperature (°C) | 27.8 | 28.6 | 29.1 | 29.6 | 29.2 | 27.3 | 28.2 | 28.1 | 27.8 | 26.7 | 27.0 | 28.9 |
| Average night temperature (°C) | 21.1 | 21.7 | 22.9 | 23.4 | 23.7 | 23.3 | 23.6 | 23.5 | 23.1 | 22.8 | 22.1 | 22.9 |
| Absolute minimum temperature (°C) | 17.6 | 19.7 | 21.5 | 21.7 | 22.2 | 22.4 | 22.5 | 21.8 | 21.9 | 21.6 | 18.6 | 19.7 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 10.3 | 10.9 | 11.1 | 11.4 | 11.0 | 9.8 | 10.7 | 10.3 | 10.2 | 9.2 | 9.5 | 10.4 |
| Precipitation (mm) | 2 | 0 | 37 | 52 | 108 | 279 | 138 | 156 | 139 | 221 | 76 | 6 |
| Sunny days | 25 | 28 | 16 | 14 | 8 | 0 | 6 | 7 | 2 | 1 | 10 | 22 |
| Rainy days | 6 | 0 | 15 | 16 | 23 | 30 | 25 | 24 | 28 | 30 | 20 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Copalío is at