Average annual temperature is 19.5 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Santa Rosa
* Weather data for 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) | 28.5 | 30.5 | 31.1 | 32.5 | 32.5 | 31.9 | 27.5 | 28.9 | 27.4 | 27.6 | 26.8 | 28.5 |
| Average daytime temperature (°C) | 24.6 | 26.2 | 28.5 | 30.2 | 29.1 | 28.8 | 25.9 | 26.6 | 26.1 | 25.1 | 23.8 | 24.6 |
| Average temperature (°C) | 16.9 | 18.1 | 19.9 | 21.0 | 21.1 | 21.4 | 19.8 | 20.1 | 19.7 | 19.4 | 18.6 | 17.5 |
| Average night temperature (°C) | 10.8 | 11.4 | 12.8 | 13.1 | 14.6 | 15.4 | 15.3 | 15.3 | 14.9 | 15.1 | 14.7 | 12.0 |
| Absolute minimum temperature (°C) | 6.6 | 8.1 | 9.5 | 10.5 | 12.7 | 13.7 | 14.0 | 13.3 | 13.6 | 13.2 | 10.8 | 6.3 |
| 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 | 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 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 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) | 10.3 | 10.6 | 10.9 | 11.4 | 11.3 | 11.2 | 10.9 | 10.6 | 10.6 | 9.8 | 8.8 | 10.0 |
| Precipitation (mm) | 16 | 9 | 48 | 29 | 86 | 108 | 185 | 184 | 189 | 207 | 146 | 5 |
| Sunny days | 15 | 16 | 14 | 10 | 8 | 6 | 1 | 1 | 0 | 1 | 8 | 21 |
| Rainy days | 16 | 12 | 17 | 20 | 23 | 24 | 30 | 30 | 30 | 30 | 22 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santa Rosa is at