Average annual temperature is 20.2 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 274 days
Number of rainy days: 91 days
Look at detailed online map of Santo Tomas
* Weather data for Santo Tomas 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) | 27.4 | 30.4 | 31.5 | 33.7 | 32.4 | 37.9 | 34.1 | 34.5 | 33.3 | 30.7 | 28.2 | 22.8 |
| Average daytime temperature (°C) | 23.7 | 25.4 | 28.9 | 28.6 | 29.6 | 34.4 | 31.2 | 31.2 | 30.3 | 25.2 | 21.3 | 18.9 |
| Average temperature (°C) | 15.2 | 16.7 | 20.3 | 21.3 | 22.5 | 27.3 | 24.3 | 24.5 | 24.0 | 19.2 | 14.6 | 12.3 |
| Average night temperature (°C) | 7.7 | 9.1 | 11.7 | 14.0 | 15.6 | 19.3 | 17.5 | 17.8 | 17.0 | 13.8 | 9.4 | 6.8 |
| Absolute minimum temperature (°C) | 3.1 | 1.4 | 4.3 | 9.7 | 11.9 | 16.9 | 15.4 | 14.7 | 14.6 | 7.8 | 2.3 | 0.4 |
| 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 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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 | 10.2 | 11.0 | 11.0 | 11.5 | 12.4 | 12.1 | 11.6 | 11.4 | 9.2 | 8.0 | 8.3 |
| Precipitation (mm) | 0 | 1 | 2 | 8 | 20 | 1 | 43 | 9 | 15 | 79 | 81 | 6 |
| Sunny days | 31 | 27 | 27 | 22 | 18 | 28 | 15 | 18 | 22 | 15 | 22 | 29 |
| Rainy days | 0 | 1 | 4 | 8 | 13 | 2 | 16 | 13 | 8 | 16 | 8 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomas is at