Average annual temperature is 17.8 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 290 days
Number of rainy days: 74 days
Number of snow days: 1 day
Look at detailed online map of Casa de Janos
* Weather data for Casa de Janos 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) | 20.3 | 22.2 | 23.9 | 31.5 | 31.8 | 38.1 | 39.3 | 38.2 | 36.7 | 30.4 | 28.0 | 22.1 |
| Average daytime temperature (°C) | 14.0 | 15.1 | 19.5 | 25.1 | 28.2 | 32.9 | 36.4 | 33.0 | 32.8 | 26.5 | 20.0 | 16.5 |
| Average temperature (°C) | 7.5 | 7.6 | 12.1 | 17.5 | 21.0 | 25.9 | 28.9 | 25.8 | 25.3 | 19.1 | 12.9 | 8.9 |
| Average night temperature (°C) | 2.7 | 2.5 | 6.0 | 10.0 | 13.5 | 18.4 | 21.0 | 19.1 | 17.8 | 12.5 | 7.5 | 2.9 |
| Absolute minimum temperature (°C) | -5.4 | -3.8 | -7.0 | -0.2 | 7.3 | 13.0 | 18.4 | 16.0 | 15.8 | 0.3 | 0.0 | -3.2 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.5 | 8.6 | 10.3 | 11.9 | 12.1 | 12.0 | 12.6 | 11.4 | 11.1 | 10.1 | 8.7 | 8.6 |
| Precipitation (mm) | 32 | 50 | 13 | 1 | 7 | 9 | 14 | 24 | 7 | 6 | 1 | 2 |
| Sunny days | 24 | 16 | 28 | 28 | 24 | 25 | 24 | 18 | 23 | 28 | 24 | 28 |
| Rainy days | 6 | 12 | 3 | 2 | 7 | 5 | 7 | 13 | 7 | 3 | 6 | 3 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Casa de Janos is at