Average annual temperature is 23.5 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 9.3 °C
Number of sunny days: 323 days
Number of rainy days: 42 days
Look at detailed online map of San Cosme
* Weather data for San Cosme 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) | 28.2 | 26.4 | 29.3 | 33.5 | 33.2 | 37.5 | 39.3 | 38.9 | 38.9 | 34.5 | 34.4 | 30.0 |
| Average daytime temperature (°C) | 21.5 | 21.0 | 24.7 | 28.0 | 29.2 | 33.8 | 37.1 | 35.6 | 35.6 | 30.2 | 26.8 | 24.4 |
| Average temperature (°C) | 16.4 | 16.2 | 19.7 | 21.2 | 21.4 | 27.3 | 30.8 | 30.8 | 30.3 | 25.4 | 22.6 | 19.5 |
| Average night temperature (°C) | 12.5 | 12.3 | 15.3 | 15.2 | 14.9 | 21.3 | 24.8 | 26.1 | 25.3 | 21.5 | 18.8 | 15.3 |
| Absolute minimum temperature (°C) | 9.3 | 9.3 | 9.8 | 10.6 | 12.5 | 13.6 | 20.3 | 22.9 | 20.9 | 16.7 | 13.7 | 11.3 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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) | 9.6 | 9.9 | 10.6 | 11.8 | 12.0 | 12.7 | 12.6 | 11.3 | 11.3 | 9.8 | 9.2 | 9.3 |
| Precipitation (mm) | 0 | 6 | 0 | 1 | 0 | 0 | 4 | 39 | 15 | 41 | 2 | 1 |
| Sunny days | 29 | 25 | 29 | 28 | 30 | 30 | 26 | 18 | 25 | 26 | 27 | 30 |
| Rainy days | 2 | 3 | 2 | 2 | 1 | 0 | 5 | 13 | 5 | 5 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Cosme is at