Average annual temperature is 19.8 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 6.5 °C
Number of sunny days: 78 days
Number of rainy days: 287 days
Look at detailed online map of San Juan Lachao
* Weather data for San Juan Lachao 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) | 27.2 | 28.7 | 29.5 | 29.9 | 31.4 | 28.8 | 28.9 | 28.6 | 28.5 | 27.7 | 29.2 | 28.8 |
| Average daytime temperature (°C) | 25.6 | 26.9 | 26.8 | 28.0 | 28.0 | 26.5 | 26.4 | 26.5 | 26.6 | 25.9 | 26.7 | 25.7 |
| Average temperature (°C) | 17.9 | 18.7 | 19.6 | 20.5 | 21.3 | 21.1 | 20.3 | 20.3 | 20.1 | 19.8 | 19.8 | 17.9 |
| Average night temperature (°C) | 11.7 | 12.4 | 13.7 | 14.5 | 16.1 | 17.3 | 16.0 | 16.0 | 15.5 | 15.5 | 14.9 | 11.7 |
| Absolute minimum temperature (°C) | 8.9 | 9.0 | 10.4 | 10.3 | 13.4 | 15.2 | 14.6 | 14.0 | 13.7 | 13.0 | 12.9 | 6.5 |
| 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 | 11.0 | 11.3 | 11.0 | 10.5 | 9.5 | 9.8 | 10.1 | 9.8 | 10.1 | 10.2 |
| Precipitation (mm) | 5 | 8 | 31 | 77 | 108 | 132 | 309 | 301 | 218 | 189 | 38 | 16 |
| Sunny days | 16 | 16 | 9 | 8 | 2 | 0 | 1 | 0 | 0 | 1 | 7 | 18 |
| Rainy days | 15 | 12 | 22 | 22 | 29 | 30 | 30 | 31 | 30 | 30 | 23 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Lachao is at