Average annual temperature is 20.7 °C
Absolute maximum temperature: 43.0 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 310 days
Number of rainy days: 54 days
Number of snow days: 1 day
Look at detailed online map of Alamo Alto
* Weather data for Alamo Alto United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.2 | 25.5 | 28.1 | 33.9 | 35.6 | 42.5 | 42.5 | 43.0 | 39.2 | 33.8 | 30.0 | 23.1 |
| Average daytime temperature (°C) | 16.8 | 18.0 | 23.5 | 28.3 | 32.6 | 37.1 | 39.6 | 36.8 | 35.8 | 28.5 | 21.2 | 16.9 |
| Average temperature (°C) | 9.0 | 10.0 | 15.4 | 20.2 | 25.5 | 30.2 | 33.3 | 30.3 | 28.7 | 21.4 | 14.1 | 9.7 |
| Average night temperature (°C) | 2.5 | 3.8 | 8.1 | 12.0 | 17.5 | 22.0 | 25.6 | 23.3 | 21.2 | 14.7 | 8.1 | 3.2 |
| Absolute minimum temperature (°C) | -4.0 | -3.1 | 0.3 | 1.8 | 13.7 | 16.6 | 21.8 | 18.9 | 17.8 | 0.0 | 2.3 | -2.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 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 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.1 | 8.7 | 10.3 | 11.9 | 12.0 | 12.7 | 12.7 | 11.7 | 11.3 | 9.9 | 8.7 | 8.9 |
| Precipitation (mm) | 6 | 9 | 2 | 0 | 2 | 0 | 1 | 24 | 4 | 12 | 3 | 4 |
| Sunny days | 25 | 21 | 27 | 30 | 27 | 28 | 28 | 23 | 22 | 28 | 23 | 28 |
| Rainy days | 6 | 7 | 3 | 0 | 4 | 2 | 3 | 8 | 8 | 3 | 7 | 3 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alamo Alto is at