Average annual temperature is 14.8 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 1.4 °C
Number of sunny days: 250 days
Number of rainy days: 115 days
Look at detailed online map of Los Altos
* Weather data for Los Altos 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) | 18.9 | 16.6 | 21.3 | 29.3 | 29.0 | 29.8 | 34.9 | 33.6 | 29.3 | 34.3 | 24.9 | 18.8 |
| Average daytime temperature (°C) | 14.2 | 13.6 | 14.3 | 18.8 | 21.2 | 24.8 | 28.5 | 29.0 | 25.7 | 25.4 | 19.5 | 16.0 |
| Average temperature (°C) | 10.1 | 8.8 | 9.8 | 12.6 | 15.2 | 17.4 | 20.0 | 21.0 | 18.8 | 18.0 | 13.8 | 11.6 |
| Average night temperature (°C) | 7.1 | 5.1 | 6.6 | 8.2 | 10.8 | 12.5 | 13.6 | 15.3 | 13.5 | 12.9 | 9.2 | 8.1 |
| Absolute minimum temperature (°C) | 2.9 | 1.4 | 2.4 | 4.8 | 7.4 | 9.6 | 11.7 | 11.8 | 10.3 | 4.9 | 5.8 | 4.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.8 | 7.8 | 10.9 | 11.0 | 12.8 | 13.1 | 12.3 | 10.9 | 9.8 | 8.3 | 6.2 |
| Precipitation (mm) | 251 | 100 | 204 | 5 | 27 | 2 | 0 | 1 | 3 | 3 | 71 | 126 |
| Sunny days | 11 | 14 | 10 | 23 | 19 | 27 | 31 | 28 | 25 | 25 | 21 | 16 |
| Rainy days | 20 | 14 | 21 | 7 | 12 | 3 | 0 | 3 | 5 | 6 | 9 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Los Altos during the most sunny months:
The largest precipitation sum in Los Altos is at