Average annual temperature is 18.4 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 4.3 °C
Number of sunny days: 177 days
Number of rainy days: 188 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) | 26.6 | 30.5 | 30.6 | 31.0 | 31.8 | 32.4 | 27.5 | 26.5 | 29.6 | 28.9 | 28.0 | 24.1 |
| Average daytime temperature (°C) | 23.3 | 25.1 | 27.0 | 28.0 | 27.2 | 28.4 | 25.1 | 24.5 | 26.1 | 25.2 | 23.9 | 22.2 |
| Average temperature (°C) | 16.2 | 17.0 | 19.1 | 20.3 | 19.8 | 21.1 | 18.5 | 18.2 | 18.8 | 18.5 | 17.4 | 15.3 |
| Average night temperature (°C) | 10.5 | 10.7 | 12.3 | 14.1 | 13.9 | 15.0 | 13.0 | 13.2 | 12.8 | 13.4 | 12.5 | 10.1 |
| Absolute minimum temperature (°C) | 7.5 | 8.3 | 8.6 | 11.6 | 11.6 | 13.0 | 11.7 | 11.5 | 11.2 | 10.0 | 9.8 | 4.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.1 | 11.4 | 11.3 | 11.7 | 11.2 | 10.8 | 11.1 | 10.3 | 10.1 | 9.4 |
| Precipitation (mm) | 1 | 0 | 9 | 17 | 82 | 66 | 125 | 217 | 60 | 56 | 29 | 14 |
| Sunny days | 26 | 25 | 22 | 13 | 5 | 15 | 7 | 2 | 9 | 12 | 18 | 23 |
| Rainy days | 5 | 3 | 9 | 17 | 26 | 15 | 24 | 29 | 21 | 19 | 12 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at