Average annual temperature is 23.2 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 13.1 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of Monte San Juan
* Weather data for Monte San Juan 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) | 32.0 | 32.9 | 33.8 | 34.2 | 35.4 | 31.6 | 33.1 | 32.5 | 32.3 | 30.0 | 31.7 | 32.9 |
| Average daytime temperature (°C) | 30.2 | 31.5 | 31.0 | 31.6 | 31.2 | 28.5 | 30.5 | 29.7 | 30.1 | 27.7 | 28.2 | 30.6 |
| Average temperature (°C) | 22.3 | 23.2 | 23.1 | 23.9 | 24.2 | 23.0 | 24.0 | 23.6 | 23.4 | 22.2 | 22.5 | 23.2 |
| Average night temperature (°C) | 16.8 | 16.8 | 17.8 | 18.7 | 19.6 | 19.5 | 19.7 | 19.8 | 19.4 | 19.1 | 18.6 | 18.1 |
| Absolute minimum temperature (°C) | 13.3 | 14.9 | 16.2 | 16.7 | 18.1 | 18.4 | 18.3 | 18.4 | 18.3 | 17.9 | 16.3 | 13.1 |
| 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) | 11.4 | 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) | 10.4 | 10.9 | 11.3 | 11.5 | 11.2 | 10.0 | 10.7 | 10.4 | 10.7 | 8.9 | 9.8 | 10.4 |
| Precipitation (mm) | 9 | 0 | 36 | 60 | 135 | 265 | 157 | 252 | 244 | 234 | 122 | 9 |
| Sunny days | 21 | 26 | 10 | 10 | 7 | 1 | 3 | 3 | 1 | 0 | 6 | 15 |
| Rainy days | 10 | 2 | 21 | 20 | 24 | 29 | 28 | 28 | 29 | 31 | 24 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Monte San Juan is at