Average annual temperature is 24.4 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 15.0 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Guayaltepec
* Weather data for Guayaltepec 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) | 33.2 | 34.0 | 34.9 | 35.3 | 36.5 | 32.0 | 34.1 | 33.7 | 34.3 | 31.1 | 33.6 | 34.3 |
| Average daytime temperature (°C) | 30.9 | 31.6 | 31.6 | 32.6 | 32.7 | 29.8 | 31.3 | 30.4 | 31.1 | 29.1 | 30.3 | 31.4 |
| Average temperature (°C) | 23.2 | 23.8 | 24.0 | 25.0 | 25.6 | 24.2 | 25.1 | 24.6 | 24.5 | 23.6 | 24.3 | 24.4 |
| Average night temperature (°C) | 18.3 | 18.6 | 19.2 | 20.1 | 21.3 | 21.0 | 21.4 | 21.3 | 21.0 | 20.5 | 20.2 | 19.7 |
| Absolute minimum temperature (°C) | 15.0 | 17.1 | 17.2 | 18.2 | 20.2 | 19.8 | 20.1 | 19.9 | 19.5 | 19.7 | 16.7 | 15.8 |
| 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 | 10.8 | 11.2 | 11.4 | 11.1 | 9.8 | 10.5 | 9.6 | 9.7 | 8.8 | 9.9 | 10.4 |
| Precipitation (mm) | 9 | 7 | 32 | 36 | 173 | 290 | 154 | 195 | 259 | 265 | 63 | 10 |
| Sunny days | 19 | 23 | 8 | 10 | 5 | 0 | 1 | 1 | 0 | 1 | 7 | 16 |
| Rainy days | 12 | 5 | 23 | 20 | 26 | 30 | 30 | 30 | 30 | 30 | 23 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guayaltepec is at