Average annual temperature is 4.6 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -23.6 °C
Number of sunny days: 160 days
Number of rainy days: 125 days
Number of snow days: 80 days
Look at detailed online map of Riverside
* Weather data for Riverside 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) | 4.4 | 7.6 | 7.2 | 14.5 | 21.5 | 25.8 | 31.7 | 30.9 | 27.1 | 21.1 | 14.3 | 7.4 |
| Average daytime temperature (°C) | -2.7 | -0.5 | 0.4 | 5.8 | 15.8 | 20.2 | 27.3 | 25.2 | 21.6 | 13.7 | 6.7 | 1.2 |
| Average temperature (°C) | -6.4 | -6.2 | -4.8 | -0.1 | 9.0 | 13.4 | 18.8 | 17.2 | 13.2 | 5.6 | -0.3 | -5.3 |
| Average night temperature (°C) | -9.2 | -10.0 | -9.1 | -4.5 | 2.7 | 6.7 | 10.3 | 10.0 | 6.1 | -0.3 | -4.7 | -10.0 |
| Absolute minimum temperature (°C) | -23.6 | -21.0 | -16.1 | -13.2 | -3.6 | 3.1 | 6.7 | 5.3 | 0.2 | -12.2 | -14.7 | -20.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.8 | 7.2 | 8.3 | 10.5 | 12.1 | 12.3 | 12.9 | 11.9 | 11.1 | 8.9 | 7.3 | 5.9 |
| Precipitation (mm) | 79 | 55 | 57 | 50 | 37 | 65 | 39 | 48 | 16 | 33 | 27 | 35 |
| Sunny days | 8 | 12 | 8 | 17 | 9 | 7 | 15 | 14 | 17 | 18 | 20 | 15 |
| Rainy days | 3 | 3 | 2 | 5 | 22 | 23 | 16 | 17 | 13 | 10 | 8 | 3 |
| Snow days | 20 | 13 | 21 | 8 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | 13 |
The best time to visit Riverside during the most sunny months:
The largest precipitation sum in Riverside is at