Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 116 days
Number of rainy days: 249 days
Look at detailed online map of San José Guayabal
* Weather data for San José Guayabal 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) | 35.7 | 36.8 | 37.7 | 37.9 | 39.5 | 35.9 | 37.2 | 35.5 | 36.4 | 34.4 | 36.6 | 36.6 |
| Average daytime temperature (°C) | 33.9 | 35.0 | 35.0 | 35.5 | 35.3 | 32.3 | 34.0 | 33.0 | 34.0 | 31.6 | 32.1 | 34.1 |
| Average temperature (°C) | 25.8 | 26.5 | 26.6 | 27.5 | 28.0 | 26.4 | 27.4 | 26.9 | 27.0 | 25.7 | 25.9 | 26.7 |
| Average night temperature (°C) | 20.0 | 19.9 | 21.1 | 21.9 | 23.0 | 22.6 | 22.8 | 22.9 | 22.5 | 22.1 | 21.4 | 21.3 |
| Absolute minimum temperature (°C) | 16.4 | 18.0 | 19.8 | 19.9 | 21.8 | 21.4 | 21.5 | 21.6 | 21.4 | 20.8 | 18.4 | 16.5 |
| 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) | 10.4 | 10.9 | 11.3 | 11.5 | 11.1 | 10.1 | 10.8 | 10.5 | 10.6 | 9.1 | 9.8 | 10.4 |
| Precipitation (mm) | 4 | 1 | 28 | 57 | 82 | 219 | 173 | 166 | 201 | 207 | 138 | 5 |
| Sunny days | 22 | 25 | 13 | 13 | 7 | 0 | 2 | 3 | 1 | 1 | 7 | 22 |
| Rainy days | 9 | 3 | 18 | 17 | 24 | 30 | 29 | 28 | 29 | 30 | 23 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San José Guayabal is at