Average annual temperature is 24.2 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of San Juan Los Planes
* Weather data for San Juan Los Planes 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) | 33.6 | 33.9 | 35.0 | 35.2 | 36.3 | 32.9 | 34.8 | 33.0 | 33.1 | 30.9 | 32.8 | 34.0 |
| Average daytime temperature (°C) | 31.3 | 32.3 | 32.1 | 32.7 | 32.4 | 29.8 | 31.6 | 30.5 | 31.0 | 28.9 | 29.2 | 31.6 |
| Average temperature (°C) | 23.2 | 23.8 | 24.1 | 25.0 | 25.4 | 24.2 | 25.1 | 24.7 | 24.5 | 23.4 | 23.3 | 23.9 |
| Average night temperature (°C) | 17.3 | 17.1 | 18.5 | 19.6 | 20.6 | 20.4 | 20.3 | 20.6 | 20.2 | 19.9 | 19.0 | 18.3 |
| Absolute minimum temperature (°C) | 13.5 | 15.0 | 16.9 | 18.1 | 19.6 | 19.6 | 19.4 | 19.3 | 19.2 | 18.6 | 17.5 | 13.2 |
| 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 | 12.8 | 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) | 10.5 | 10.9 | 11.2 | 11.5 | 11.1 | 10.3 | 10.9 | 10.4 | 10.6 | 9.2 | 9.8 | 10.4 |
| Precipitation (mm) | 12 | 1 | 38 | 56 | 138 | 214 | 128 | 180 | 171 | 179 | 125 | 9 |
| Sunny days | 19 | 23 | 11 | 11 | 5 | 0 | 1 | 2 | 0 | 1 | 4 | 17 |
| Rainy days | 12 | 5 | 20 | 19 | 26 | 30 | 30 | 29 | 30 | 30 | 26 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Los Planes is at