Average annual temperature is 16.9 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 251 days
Number of rainy days: 114 days
Look at detailed online map of Perris Valley
* Weather data for Perris Valley 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) | 18.6 | 21.9 | 20.8 | 32.7 | 32.5 | 38.2 | 41.4 | 41.0 | 38.5 | 36.9 | 30.1 | 24.7 |
| Average daytime temperature (°C) | 14.4 | 15.6 | 15.6 | 23.5 | 24.4 | 27.0 | 37.1 | 34.9 | 30.1 | 29.2 | 22.9 | 19.2 |
| Average temperature (°C) | 9.4 | 8.9 | 10.1 | 15.0 | 16.2 | 18.2 | 27.5 | 26.3 | 22.1 | 20.3 | 15.1 | 12.5 |
| Average night temperature (°C) | 5.6 | 3.9 | 6.6 | 9.4 | 11.4 | 13.0 | 20.0 | 20.1 | 16.9 | 14.0 | 9.5 | 7.8 |
| Absolute minimum temperature (°C) | -1.0 | -1.7 | -0.7 | 1.8 | 8.7 | 11.2 | 12.9 | 15.2 | 12.9 | 6.2 | 4.1 | 3.6 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 8.3 | 7.6 | 11.0 | 11.4 | 12.1 | 13.1 | 11.5 | 10.2 | 10.2 | 9.0 | 8.1 |
| Precipitation (mm) | 156 | 78 | 187 | 8 | 12 | 3 | 0 | 36 | 42 | 4 | 32 | 30 |
| Sunny days | 14 | 15 | 11 | 25 | 19 | 21 | 31 | 25 | 22 | 24 | 21 | 23 |
| Rainy days | 17 | 13 | 20 | 5 | 12 | 9 | 0 | 6 | 8 | 7 | 9 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Perris Valley during the most sunny months:
The largest precipitation sum in Perris Valley is at