Average annual temperature is 14.7 °C
Absolute maximum temperature: 24.6 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of San Melchor
* Weather data for San Melchor 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) | 20.5 | 22.4 | 22.5 | 23.8 | 24.6 | 23.8 | 22.4 | 22.1 | 22.3 | 21.9 | 21.5 | 21.9 |
| Average daytime temperature (°C) | 19.1 | 20.3 | 20.8 | 21.9 | 21.9 | 21.5 | 20.5 | 20.7 | 20.7 | 20.3 | 20.2 | 19.3 |
| Average temperature (°C) | 12.4 | 13.0 | 14.2 | 15.7 | 15.9 | 16.4 | 15.5 | 15.4 | 15.1 | 15.1 | 14.6 | 12.8 |
| Average night temperature (°C) | 6.9 | 7.2 | 8.5 | 10.4 | 10.6 | 11.8 | 11.7 | 11.5 | 11.0 | 11.3 | 10.6 | 8.0 |
| Absolute minimum temperature (°C) | 5.6 | 5.0 | 6.8 | 8.0 | 9.4 | 9.8 | 10.0 | 10.3 | 9.4 | 8.0 | 8.8 | 3.8 |
| 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) | 10.4 | 10.7 | 10.9 | 11.4 | 11.2 | 10.6 | 10.1 | 10.3 | 10.4 | 9.8 | 9.8 | 9.9 |
| Precipitation (mm) | 4 | 3 | 34 | 64 | 89 | 128 | 244 | 273 | 178 | 182 | 40 | 6 |
| Sunny days | 22 | 20 | 5 | 6 | 2 | 0 | 0 | 0 | 0 | 3 | 7 | 22 |
| Rainy days | 9 | 8 | 26 | 24 | 29 | 30 | 31 | 31 | 30 | 28 | 23 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Melchor is at