Average annual temperature is 17.9 °C
Absolute maximum temperature: 29.3 °C
Absolute minimum temperature: 6.6 °C
Number of sunny days: 61 days
Number of rainy days: 304 days
Look at detailed online map of Tlalachialco
* Weather data for Tlalachialco 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) | 25.9 | 27.8 | 28.8 | 28.5 | 28.0 | 29.3 | 25.6 | 26.8 | 25.1 | 27.8 | 27.7 | 26.5 |
| Average daytime temperature (°C) | 20.0 | 20.7 | 22.6 | 23.5 | 24.1 | 25.3 | 23.7 | 23.8 | 24.2 | 22.5 | 20.1 | 18.0 |
| Average temperature (°C) | 15.2 | 15.6 | 17.6 | 18.6 | 19.4 | 20.8 | 19.3 | 19.3 | 19.4 | 18.3 | 16.5 | 14.5 |
| Average night temperature (°C) | 11.4 | 11.6 | 12.9 | 14.3 | 15.0 | 16.6 | 15.8 | 15.8 | 15.7 | 15.1 | 13.8 | 11.7 |
| Absolute minimum temperature (°C) | 6.7 | 7.6 | 9.8 | 11.9 | 12.1 | 14.6 | 14.2 | 14.1 | 14.4 | 11.0 | 10.9 | 6.6 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 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 | 11.0 |
| Sunshine mean duration (h) | 9.3 | 9.2 | 10.1 | 10.2 | 11.0 | 11.2 | 11.1 | 10.6 | 11.3 | 9.7 | 7.3 | 6.8 |
| Precipitation (mm) | 63 | 85 | 100 | 143 | 100 | 117 | 137 | 157 | 55 | 143 | 112 | 160 |
| Sunny days | 11 | 10 | 12 | 4 | 4 | 10 | 0 | 1 | 1 | 2 | 2 | 4 |
| Rainy days | 20 | 18 | 19 | 26 | 27 | 20 | 31 | 30 | 29 | 29 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tlalachialco is at