Average annual temperature is 28.3 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 143 days
Number of rainy days: 222 days
Look at detailed online map of San Juan Gualaria
* Weather data for San Juan Gualaria 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) | 37.9 | 38.7 | 40.7 | 40.6 | 41.3 | 36.0 | 39.0 | 38.0 | 36.5 | 33.4 | 36.7 | 37.4 |
| Average daytime temperature (°C) | 35.2 | 37.3 | 35.7 | 36.6 | 36.1 | 32.2 | 35.3 | 34.1 | 33.7 | 31.0 | 32.9 | 34.8 |
| Average temperature (°C) | 28.1 | 29.4 | 28.7 | 29.8 | 29.7 | 26.9 | 28.9 | 28.1 | 27.8 | 26.2 | 27.3 | 28.8 |
| Average night temperature (°C) | 22.1 | 23.1 | 22.9 | 24.2 | 24.5 | 23.0 | 24.2 | 23.9 | 23.3 | 22.9 | 23.0 | 24.3 |
| Absolute minimum temperature (°C) | 18.9 | 20.9 | 21.6 | 22.0 | 22.7 | 22.2 | 22.3 | 22.6 | 21.9 | 21.8 | 20.9 | 22.0 |
| 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 | 11.1 | 11.3 | 11.1 | 9.4 | 10.7 | 10.1 | 10.8 | 9.1 | 10.0 | 10.5 |
| Precipitation (mm) | 2 | 0 | 67 | 40 | 95 | 320 | 265 | 328 | 246 | 421 | 115 | 8 |
| Sunny days | 26 | 26 | 18 | 20 | 13 | 0 | 5 | 3 | 3 | 0 | 8 | 21 |
| Rainy days | 5 | 2 | 13 | 10 | 18 | 30 | 26 | 28 | 27 | 31 | 22 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Gualaria is at