Average annual temperature is 14.3 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 261 days
Number of rainy days: 102 days
Number of snow days: 2 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) | 19.9 | 20.6 | 22.7 | 27.3 | 30.2 | 35.4 | 35.1 | 33.2 | 31.8 | 28.0 | 24.1 | 19.7 |
| Average daytime temperature (°C) | 14.5 | 15.8 | 18.4 | 22.6 | 25.4 | 30.3 | 32.4 | 28.7 | 28.7 | 23.7 | 18.6 | 16.0 |
| Average temperature (°C) | 5.8 | 6.8 | 9.6 | 13.4 | 16.4 | 21.9 | 23.6 | 20.6 | 20.2 | 15.5 | 10.8 | 6.7 |
| Average night temperature (°C) | -0.8 | 0.1 | 2.3 | 4.2 | 7.5 | 13.1 | 14.9 | 13.7 | 12.6 | 8.4 | 4.9 | -0.6 |
| Absolute minimum temperature (°C) | -6.8 | -6.1 | -5.2 | 0.0 | 3.9 | 8.1 | 13.3 | 11.0 | 10.5 | 1.5 | -3.8 | -4.5 |
| 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) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 13.9 | 13.8 | 13.1 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.7 | 10.0 | 11.8 | 11.8 | 12.2 | 12.3 | 11.5 | 11.1 | 9.7 | 9.1 | 9.0 |
| Precipitation (mm) | 7 | 13 | 56 | 2 | 30 | 4 | 12 | 54 | 13 | 2 | 7 | 0 |
| Sunny days | 26 | 21 | 23 | 27 | 21 | 26 | 19 | 10 | 16 | 20 | 24 | 28 |
| Rainy days | 4 | 6 | 8 | 3 | 10 | 4 | 12 | 21 | 14 | 11 | 6 | 3 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at