Average annual temperature is 22.7 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 7.7 °C
Number of sunny days: 318 days
Number of rainy days: 47 days
Look at detailed online map of Santo Tomás
* Weather data for Santo Tomás Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.2 | 29.1 | 32.8 | 35.1 | 31.6 | 42.1 | 40.0 | 40.7 | 41.4 | 37.4 | 35.9 | 29.9 |
| Average daytime temperature (°C) | 22.9 | 23.2 | 27.2 | 29.0 | 27.6 | 34.4 | 36.8 | 37.0 | 36.8 | 31.5 | 28.9 | 26.0 |
| Average temperature (°C) | 16.6 | 16.6 | 19.5 | 20.0 | 19.0 | 25.5 | 28.4 | 29.8 | 28.9 | 25.1 | 22.9 | 20.0 |
| Average night temperature (°C) | 12.0 | 11.9 | 13.5 | 13.5 | 12.7 | 18.7 | 22.2 | 24.6 | 23.2 | 20.5 | 18.3 | 15.5 |
| Absolute minimum temperature (°C) | 7.7 | 8.6 | 8.9 | 8.5 | 10.2 | 11.4 | 17.9 | 22.2 | 18.4 | 15.2 | 13.4 | 12.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.3 | 9.9 | 10.5 | 11.4 | 11.6 | 12.7 | 12.7 | 11.2 | 11.3 | 9.8 | 9.3 | 9.3 |
| Precipitation (mm) | 4 | 8 | 0 | 0 | 0 | 0 | 2 | 38 | 9 | 20 | 1 | 0 |
| Sunny days | 28 | 24 | 28 | 28 | 30 | 30 | 28 | 18 | 24 | 24 | 27 | 29 |
| Rainy days | 3 | 4 | 3 | 2 | 1 | 0 | 3 | 13 | 6 | 7 | 3 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at