Average annual temperature is 20.1 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 65 days
Number of rainy days: 300 days
Look at detailed online map of Departamento de Santa Rosa
* Weather data for Departamento de Santa Rosa 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) | 29.5 | 30.1 | 30.9 | 30.9 | 31.6 | 25.6 | 29.4 | 27.6 | 27.4 | 25.1 | 27.2 | 28.7 |
| Average daytime temperature (°C) | 26.0 | 27.9 | 26.7 | 27.4 | 27.2 | 24.1 | 25.8 | 24.6 | 24.7 | 23.5 | 24.5 | 26.6 |
| Average temperature (°C) | 19.4 | 20.5 | 20.1 | 20.8 | 21.3 | 20.1 | 20.4 | 20.2 | 19.7 | 19.0 | 19.3 | 20.0 |
| Average night temperature (°C) | 14.8 | 15.7 | 15.7 | 16.4 | 17.2 | 17.1 | 16.5 | 16.7 | 16.0 | 16.0 | 15.6 | 15.0 |
| Absolute minimum temperature (°C) | 11.2 | 14.0 | 14.1 | 15.3 | 15.9 | 15.7 | 15.3 | 15.5 | 14.3 | 14.9 | 12.4 | 10.6 |
| 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 | 12.5 | 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 | 11.0 | 11.2 | 10.9 | 9.7 | 10.2 | 9.4 | 9.6 | 8.6 | 9.8 | 10.3 |
| Precipitation (mm) | 17 | 5 | 55 | 103 | 158 | 240 | 224 | 269 | 325 | 372 | 87 | 14 |
| Sunny days | 16 | 18 | 4 | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 17 |
| Rainy days | 15 | 10 | 27 | 25 | 27 | 30 | 30 | 31 | 30 | 31 | 30 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Departamento de Santa Rosa is at