Average annual temperature is 20.4 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 298 days
Number of rainy days: 67 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) | 26.5 | 30.0 | 32.3 | 31.4 | 32.6 | 38.0 | 35.1 | 35.8 | 33.4 | 31.2 | 27.3 | 22.0 |
| Average daytime temperature (°C) | 21.6 | 24.3 | 27.2 | 27.7 | 29.3 | 34.6 | 31.7 | 31.8 | 30.9 | 24.5 | 20.2 | 18.4 |
| Average temperature (°C) | 14.3 | 16.1 | 19.7 | 21.1 | 22.8 | 28.2 | 25.7 | 26.0 | 25.0 | 19.0 | 14.1 | 12.4 |
| Average night temperature (°C) | 7.5 | 9.1 | 12.2 | 14.4 | 16.4 | 20.9 | 19.6 | 19.8 | 18.0 | 14.0 | 8.8 | 6.9 |
| Absolute minimum temperature (°C) | 2.4 | 2.9 | 2.4 | 9.5 | 13.0 | 17.4 | 17.3 | 17.3 | 15.0 | 5.3 | 3.4 | -1.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 9.8 | 10.1 | 11.1 | 11.2 | 11.4 | 12.5 | 12.0 | 11.7 | 11.4 | 8.8 | 8.1 | 8.8 |
| Precipitation (mm) | 0 | 0 | 0 | 2 | 14 | 0 | 31 | 2 | 5 | 68 | 67 | 1 |
| Sunny days | 30 | 27 | 29 | 27 | 21 | 27 | 19 | 25 | 26 | 16 | 22 | 29 |
| Rainy days | 1 | 1 | 2 | 3 | 10 | 3 | 12 | 6 | 4 | 15 | 8 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at