Average annual temperature is 23.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 7.9 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Altar
* Weather data for Altar 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) | 32.4 | 31.5 | 32.8 | 36.8 | 38.2 | 40.1 | 36.0 | 35.3 | 35.9 | 37.7 | 34.8 | 32.1 |
| Average daytime temperature (°C) | 27.2 | 28.1 | 29.8 | 33.0 | 35.0 | 36.1 | 31.6 | 32.2 | 32.7 | 30.8 | 30.5 | 28.5 |
| Average temperature (°C) | 18.5 | 19.3 | 20.8 | 23.7 | 26.2 | 28.0 | 25.8 | 26.0 | 26.1 | 23.8 | 22.2 | 19.5 |
| Average night temperature (°C) | 11.1 | 12.0 | 13.0 | 14.9 | 17.5 | 20.8 | 21.6 | 21.1 | 20.8 | 18.6 | 15.6 | 12.4 |
| Absolute minimum temperature (°C) | 7.9 | 8.9 | 9.4 | 12.9 | 14.0 | 17.1 | 19.6 | 18.7 | 19.3 | 12.8 | 9.5 | 7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.6 | 9.7 | 10.8 | 11.4 | 11.6 | 12.2 | 10.2 | 10.1 | 10.6 | 8.5 | 9.2 | 9.3 |
| Precipitation (mm) | 17 | 15 | 18 | 0 | 0 | 21 | 167 | 94 | 66 | 105 | 19 | 17 |
| Sunny days | 25 | 24 | 29 | 29 | 28 | 24 | 1 | 7 | 7 | 10 | 22 | 28 |
| Rainy days | 6 | 4 | 2 | 1 | 3 | 6 | 30 | 24 | 23 | 21 | 8 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Altar is at