Average annual temperature is 21.9 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 1.8 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of Norco
* Weather data for Norco 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) | 26.3 | 27.2 | 28.3 | 29.4 | 33.3 | 36.3 | 37.2 | 39.4 | 35.8 | 32.1 | 28.7 | 26.1 |
| Average daytime temperature (°C) | 20.0 | 21.9 | 23.6 | 24.8 | 29.6 | 32.7 | 33.8 | 36.5 | 32.1 | 26.9 | 20.5 | 17.7 |
| Average temperature (°C) | 15.2 | 16.7 | 18.8 | 20.4 | 24.6 | 27.6 | 29.0 | 31.1 | 27.4 | 21.9 | 16.3 | 13.5 |
| Average night temperature (°C) | 11.4 | 13.2 | 15.2 | 17.1 | 20.5 | 23.5 | 25.1 | 26.7 | 23.7 | 18.1 | 13.1 | 10.2 |
| Absolute minimum temperature (°C) | 1.8 | 4.4 | 3.4 | 10.2 | 14.3 | 20.6 | 23.2 | 23.3 | 20.5 | 10.3 | 6.5 | 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 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.9 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 7.9 | 9.2 | 8.9 | 10.8 | 11.3 | 11.2 | 11.9 | 11.1 | 9.1 | 6.3 | 7.9 |
| Precipitation (mm) | 111 | 129 | 80 | 108 | 88 | 106 | 119 | 37 | 95 | 41 | 116 | 170 |
| Sunny days | 13 | 9 | 10 | 11 | 7 | 2 | 7 | 10 | 10 | 22 | 15 | 20 |
| Rainy days | 18 | 19 | 21 | 19 | 24 | 28 | 24 | 21 | 20 | 9 | 15 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Norco during the most sunny months:
The largest precipitation sum in Norco is at