Average annual temperature is 23.0 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 333 days
Number of rainy days: 32 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) | 21.4 | 21.3 | 25.9 | 32.0 | 30.7 | 36.8 | 39.9 | 40.9 | 37.5 | 36.6 | 31.6 | 24.6 |
| Average daytime temperature (°C) | 18.1 | 18.3 | 21.9 | 26.1 | 27.5 | 31.6 | 37.3 | 36.8 | 34.2 | 31.1 | 25.7 | 21.1 |
| Average temperature (°C) | 13.9 | 13.7 | 17.1 | 20.5 | 23.3 | 26.8 | 33.1 | 32.6 | 29.7 | 26.5 | 21.3 | 16.0 |
| Average night temperature (°C) | 9.7 | 9.1 | 12.4 | 14.5 | 18.7 | 21.8 | 29.0 | 28.5 | 24.9 | 21.2 | 16.1 | 10.4 |
| Absolute minimum temperature (°C) | 4.1 | 4.8 | 7.0 | 8.5 | 13.8 | 17.1 | 22.5 | 24.1 | 21.2 | 17.1 | 10.8 | 6.0 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 9.5 | 10.4 | 12.0 | 12.7 | 12.7 | 12.6 | 11.9 | 11.1 | 10.6 | 9.2 | 8.7 |
| Precipitation (mm) | 12 | 8 | 5 | 0 | 0 | 0 | 0 | 7 | 17 | 0 | 5 | 22 |
| Sunny days | 23 | 21 | 26 | 30 | 31 | 30 | 31 | 27 | 28 | 30 | 27 | 29 |
| Rainy days | 8 | 7 | 5 | 0 | 0 | 0 | 0 | 4 | 2 | 1 | 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