Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of San Fernando
* Weather data for San Fernando Guatemala is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.1 | 30.8 | 34.0 | 36.7 | 35.6 | 37.3 | 32.6 | 33.3 | 32.8 | 35.6 | 31.3 | 30.9 |
| Average daytime temperature (°C) | 27.3 | 27.5 | 30.2 | 31.5 | 32.2 | 33.3 | 30.7 | 31.3 | 31.3 | 31.0 | 27.8 | 27.0 |
| Average temperature (°C) | 23.2 | 23.6 | 25.5 | 26.6 | 27.6 | 28.4 | 26.3 | 26.8 | 26.6 | 26.3 | 24.4 | 23.3 |
| Average night temperature (°C) | 20.2 | 20.7 | 21.9 | 22.9 | 24.1 | 24.7 | 23.3 | 23.6 | 23.1 | 23.1 | 21.9 | 20.6 |
| Absolute minimum temperature (°C) | 15.9 | 18.6 | 20.4 | 20.5 | 21.4 | 22.9 | 21.8 | 22.3 | 21.9 | 21.0 | 20.1 | 15.4 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.0 | 9.0 | 10.5 | 11.2 | 10.8 | 10.9 | 9.0 | 9.8 | 10.3 | 9.1 | 6.7 | 7.2 |
| Precipitation (mm) | 153 | 109 | 186 | 48 | 65 | 169 | 475 | 267 | 228 | 246 | 656 | 267 |
| Sunny days | 7 | 2 | 6 | 10 | 4 | 6 | 0 | 0 | 0 | 2 | 2 | 4 |
| Rainy days | 24 | 26 | 25 | 20 | 27 | 24 | 31 | 31 | 30 | 29 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Fernando is at