Average annual temperature is 21.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 10.3 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Chacaltlá
* Weather data for Chacaltlá 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) | 29.0 | 30.5 | 30.6 | 30.7 | 32.9 | 33.9 | 30.8 | 30.8 | 31.1 | 29.1 | 29.7 | 28.6 |
| Average daytime temperature (°C) | 26.5 | 27.8 | 28.0 | 29.1 | 29.8 | 28.5 | 28.0 | 27.5 | 27.5 | 26.5 | 27.2 | 26.0 |
| Average temperature (°C) | 19.3 | 20.1 | 20.7 | 21.8 | 22.8 | 22.6 | 21.3 | 21.2 | 21.0 | 20.7 | 20.7 | 19.5 |
| Average night temperature (°C) | 13.6 | 13.9 | 15.0 | 16.0 | 17.4 | 18.3 | 17.1 | 17.3 | 17.0 | 16.9 | 15.9 | 14.0 |
| Absolute minimum temperature (°C) | 11.3 | 11.7 | 12.8 | 14.9 | 15.5 | 16.0 | 16.0 | 15.3 | 15.6 | 13.7 | 13.0 | 10.3 |
| 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) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.7 | 11.2 | 11.5 | 11.4 | 11.1 | 10.0 | 9.9 | 10.0 | 9.0 | 10.0 | 9.7 |
| Precipitation (mm) | 0 | 1 | 9 | 11 | 69 | 171 | 507 | 482 | 363 | 421 | 87 | 13 |
| Sunny days | 27 | 22 | 21 | 18 | 8 | 2 | 0 | 0 | 0 | 0 | 5 | 19 |
| Rainy days | 4 | 6 | 10 | 12 | 23 | 28 | 31 | 31 | 30 | 31 | 25 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chacaltlá is at