Average annual temperature is 22.4 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 100 days
Number of rainy days: 265 days
Look at detailed online map of San Martín del Llano
* Weather data for San Martín del Llano 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) | 29.9 | 31.5 | 33.8 | 35.1 | 36.4 | 35.8 | 30.1 | 31.8 | 29.8 | 31.5 | 29.4 | 30.2 |
| Average daytime temperature (°C) | 25.6 | 25.4 | 29.5 | 31.8 | 32.2 | 32.3 | 28.3 | 28.6 | 28.4 | 27.5 | 24.3 | 23.7 |
| Average temperature (°C) | 19.8 | 19.7 | 22.5 | 24.2 | 25.1 | 25.5 | 23.4 | 23.5 | 23.4 | 22.4 | 20.3 | 19.1 |
| Average night temperature (°C) | 16.2 | 15.9 | 17.9 | 18.9 | 20.2 | 20.9 | 20.4 | 20.3 | 20.4 | 19.6 | 18.0 | 16.3 |
| Absolute minimum temperature (°C) | 11.1 | 12.4 | 16.0 | 17.7 | 15.4 | 19.0 | 19.4 | 18.6 | 18.9 | 16.5 | 14.8 | 12.1 |
| 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 | 11.1 |
| 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) | 9.9 | 9.2 | 10.6 | 11.2 | 11.5 | 10.9 | 9.8 | 10.1 | 10.1 | 9.0 | 7.5 | 8.7 |
| Precipitation (mm) | 30 | 62 | 18 | 17 | 19 | 74 | 125 | 113 | 92 | 86 | 111 | 36 |
| Sunny days | 18 | 12 | 13 | 15 | 13 | 4 | 0 | 3 | 3 | 2 | 6 | 11 |
| Rainy days | 13 | 16 | 18 | 15 | 18 | 26 | 31 | 28 | 27 | 29 | 24 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Martín del Llano is at