Average annual temperature is 25.8 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 70 days
Number of rainy days: 295 days
Look at detailed online map of Santo Tomás de Castilla
* Weather data for Santo Tomás de Castilla 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) | 31.3 | 30.8 | 33.5 | 36.8 | 34.9 | 36.6 | 32.9 | 33.2 | 32.0 | 36.8 | 33.3 | 31.0 |
| Average daytime temperature (°C) | 26.8 | 27.1 | 30.0 | 31.4 | 32.1 | 33.1 | 30.5 | 31.1 | 30.8 | 30.6 | 27.8 | 26.7 |
| Average temperature (°C) | 23.1 | 23.4 | 25.3 | 26.5 | 27.6 | 28.5 | 26.5 | 26.9 | 26.8 | 26.5 | 24.7 | 23.5 |
| Average night temperature (°C) | 20.5 | 20.7 | 21.7 | 22.5 | 24.2 | 24.9 | 23.8 | 24.1 | 23.8 | 23.5 | 22.5 | 21.3 |
| Absolute minimum temperature (°C) | 16.5 | 17.8 | 19.9 | 20.3 | 22.6 | 23.3 | 23.1 | 22.6 | 22.4 | 21.8 | 20.7 | 17.7 |
| 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 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 8.8 | 9.6 | 10.8 | 11.3 | 11.0 | 10.9 | 9.6 | 9.8 | 10.0 | 9.1 | 6.9 | 6.7 |
| Precipitation (mm) | 108 | 87 | 98 | 47 | 64 | 178 | 369 | 242 | 193 | 161 | 664 | 252 |
| Sunny days | 9 | 8 | 11 | 17 | 10 | 7 | 0 | 0 | 1 | 1 | 1 | 5 |
| Rainy days | 22 | 20 | 20 | 13 | 21 | 23 | 31 | 31 | 29 | 30 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás de Castilla is at