Average annual temperature is 25.3 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 155 days
Number of rainy days: 210 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) | 33.8 | 36.3 | 37.1 | 39.3 | 40.0 | 38.5 | 34.3 | 35.3 | 34.9 | 34.8 | 33.4 | 34.9 |
| Average daytime temperature (°C) | 31.4 | 31.7 | 34.3 | 36.2 | 36.3 | 35.2 | 32.5 | 32.9 | 32.7 | 31.7 | 29.9 | 29.5 |
| Average temperature (°C) | 23.1 | 23.2 | 25.8 | 27.5 | 27.9 | 27.5 | 25.9 | 25.9 | 25.8 | 25.0 | 23.8 | 22.6 |
| Average night temperature (°C) | 17.5 | 17.9 | 19.7 | 20.9 | 22.1 | 22.4 | 21.7 | 21.7 | 21.6 | 21.1 | 20.1 | 18.2 |
| Absolute minimum temperature (°C) | 13.4 | 14.7 | 16.8 | 18.5 | 18.6 | 20.2 | 20.3 | 19.8 | 20.2 | 18.3 | 17.0 | 13.6 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.6 | 11.1 | 11.6 | 11.8 | 11.2 | 10.4 | 10.6 | 10.5 | 10.2 | 9.7 | 10.0 |
| Precipitation (mm) | 2 | 6 | 11 | 5 | 19 | 95 | 141 | 86 | 68 | 90 | 25 | 7 |
| Sunny days | 23 | 20 | 16 | 22 | 15 | 8 | 3 | 2 | 0 | 6 | 17 | 23 |
| Rainy days | 8 | 8 | 15 | 8 | 16 | 22 | 28 | 29 | 30 | 25 | 13 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at