Average annual temperature is 15.5 °C
Absolute maximum temperature: 31.0 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 148 days
Number of rainy days: 217 days
Look at detailed online map of Alta California
* Weather data for Alta California 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) | 23.4 | 26.9 | 29.0 | 29.0 | 28.6 | 31.0 | 25.4 | 24.6 | 26.9 | 26.3 | 26.2 | 21.0 |
| Average daytime temperature (°C) | 20.3 | 22.7 | 24.7 | 25.5 | 24.4 | 27.9 | 23.1 | 22.1 | 24.5 | 21.9 | 21.0 | 17.0 |
| Average temperature (°C) | 12.6 | 13.7 | 16.5 | 17.7 | 17.2 | 19.9 | 16.3 | 15.9 | 16.8 | 15.3 | 13.7 | 10.9 |
| Average night temperature (°C) | 6.4 | 7.2 | 9.8 | 11.6 | 11.4 | 13.2 | 11.5 | 11.7 | 11.3 | 11.0 | 8.5 | 6.8 |
| Absolute minimum temperature (°C) | 1.7 | 2.4 | 4.1 | 8.9 | 9.5 | 10.9 | 9.8 | 9.6 | 9.6 | 6.6 | 5.0 | 2.1 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.1 | 10.1 | 10.9 | 11.3 | 11.5 | 12.2 | 11.6 | 10.6 | 11.1 | 9.0 | 9.4 | 7.5 |
| Precipitation (mm) | 3 | 9 | 37 | 27 | 92 | 38 | 111 | 110 | 41 | 65 | 32 | 54 |
| Sunny days | 24 | 19 | 17 | 8 | 4 | 16 | 1 | 1 | 15 | 11 | 19 | 13 |
| Rainy days | 7 | 9 | 14 | 22 | 27 | 14 | 30 | 30 | 15 | 20 | 11 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alta California is at