Average annual temperature is 18.7 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 6.4 °C
Number of sunny days: 181 days
Number of rainy days: 184 days
Look at detailed online map of San Bartolomé Chimalhuacán
* Weather data for San Bartolomé Chimalhuacán 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) | 26.8 | 29.8 | 30.1 | 30.8 | 32.7 | 34.4 | 28.6 | 26.8 | 28.4 | 27.6 | 28.8 | 25.0 |
| Average daytime temperature (°C) | 23.6 | 25.5 | 27.4 | 28.4 | 27.6 | 28.6 | 25.5 | 24.6 | 25.0 | 24.8 | 25.2 | 22.5 |
| Average temperature (°C) | 16.6 | 17.9 | 19.7 | 20.8 | 20.4 | 21.6 | 19.0 | 18.6 | 18.8 | 18.4 | 17.8 | 15.4 |
| Average night temperature (°C) | 10.0 | 11.1 | 12.8 | 14.2 | 14.6 | 15.5 | 13.6 | 13.8 | 13.6 | 13.4 | 11.7 | 9.9 |
| Absolute minimum temperature (°C) | 6.8 | 7.9 | 9.7 | 11.3 | 12.5 | 13.1 | 12.4 | 12.8 | 12.7 | 10.6 | 9.1 | 6.4 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.8 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 11.2 | 11.4 | 11.4 | 12.0 | 11.5 | 11.0 | 11.1 | 10.4 | 10.1 | 9.4 |
| Precipitation (mm) | 0 | 0 | 8 | 43 | 131 | 59 | 190 | 175 | 70 | 63 | 26 | 21 |
| Sunny days | 30 | 27 | 21 | 16 | 8 | 12 | 5 | 3 | 11 | 11 | 17 | 20 |
| Rainy days | 1 | 1 | 10 | 14 | 23 | 18 | 26 | 28 | 19 | 20 | 13 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bartolomé Chimalhuacán is at