Average annual temperature is 14.8 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -1.0 °C
Number of sunny days: 252 days
Number of rainy days: 113 days
Look at detailed online map of Santa Clara County
* Weather data for Santa Clara County 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) | 18.2 | 17.2 | 20.6 | 31.4 | 29.4 | 35.0 | 39.6 | 36.9 | 33.6 | 36.7 | 27.5 | 22.3 |
| Average daytime temperature (°C) | 13.2 | 13.4 | 13.7 | 19.5 | 22.1 | 26.4 | 32.6 | 32.5 | 28.1 | 26.7 | 20.1 | 16.0 |
| Average temperature (°C) | 9.0 | 7.8 | 8.9 | 12.1 | 14.6 | 17.6 | 22.4 | 22.5 | 19.3 | 18.2 | 13.2 | 10.9 |
| Average night temperature (°C) | 5.6 | 3.2 | 5.0 | 6.5 | 9.6 | 11.4 | 14.1 | 15.3 | 13.3 | 11.7 | 7.8 | 6.8 |
| Absolute minimum temperature (°C) | -1.0 | -0.1 | -0.4 | 2.2 | 5.8 | 7.4 | 10.9 | 12.3 | 9.9 | 5.1 | 2.0 | 2.9 |
| 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 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 5.9 | 7.5 | 6.8 | 11.1 | 10.5 | 12.6 | 13.3 | 12.3 | 11.0 | 9.9 | 8.2 | 6.4 |
| Precipitation (mm) | 270 | 109 | 225 | 4 | 39 | 3 | 0 | 0 | 3 | 4 | 37 | 138 |
| Sunny days | 11 | 12 | 9 | 22 | 22 | 28 | 30 | 29 | 27 | 25 | 22 | 15 |
| Rainy days | 20 | 16 | 22 | 8 | 9 | 2 | 1 | 2 | 3 | 6 | 8 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Santa Clara County during the most sunny months:
The largest precipitation sum in Santa Clara County is at