Average annual temperature is 19.9 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 5.8 °C
Number of sunny days: 336 days
Number of rainy days: 29 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) | 27.2 | 27.7 | 28.6 | 34.2 | 28.4 | 32.4 | 38.2 | 41.1 | 37.8 | 38.0 | 33.7 | 29.5 |
| Average daytime temperature (°C) | 21.6 | 22.1 | 23.8 | 25.9 | 24.6 | 27.4 | 34.4 | 34.8 | 32.4 | 31.0 | 27.8 | 25.2 |
| Average temperature (°C) | 14.7 | 15.3 | 16.2 | 17.4 | 17.9 | 20.1 | 25.0 | 26.4 | 24.4 | 22.9 | 20.7 | 17.5 |
| Average night temperature (°C) | 9.5 | 10.2 | 10.7 | 11.7 | 13.0 | 15.0 | 18.4 | 20.7 | 19.0 | 17.1 | 14.6 | 11.2 |
| Absolute minimum temperature (°C) | 5.8 | 6.6 | 7.3 | 8.6 | 9.4 | 12.4 | 15.7 | 18.3 | 14.7 | 13.6 | 10.1 | 6.9 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 9.0 | 9.0 | 10.0 | 10.6 | 11.5 | 11.7 | 12.6 | 11.5 | 11.3 | 10.5 | 9.1 | 9.0 |
| Precipitation (mm) | 8 | 9 | 6 | 0 | 0 | 0 | 0 | 32 | 1 | 0 | 3 | 1 |
| Sunny days | 24 | 22 | 27 | 30 | 31 | 30 | 31 | 28 | 28 | 30 | 27 | 28 |
| Rainy days | 7 | 6 | 4 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | 3 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at