Average annual temperature is 7.7 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -29.1 °C
Number of sunny days: 180 days
Number of rainy days: 141 days
Number of snow days: 44 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) | 3.2 | 6.1 | 5.7 | 25.2 | 31.7 | 32.2 | 32.3 | 34.0 | 35.0 | 29.3 | 17.3 | 11.1 |
| Average daytime temperature (°C) | -3.8 | -1.8 | 1.5 | 9.8 | 22.5 | 27.8 | 26.2 | 26.5 | 23.3 | 13.6 | 5.7 | 3.4 |
| Average temperature (°C) | -7.2 | -7.3 | -3.1 | 3.7 | 15.0 | 20.8 | 20.5 | 20.5 | 17.9 | 9.3 | 1.2 | -0.3 |
| Average night temperature (°C) | -10.2 | -11.7 | -7.1 | -0.7 | 9.0 | 14.9 | 15.3 | 15.4 | 13.9 | 5.9 | -2.0 | -2.8 |
| Absolute minimum temperature (°C) | -24.8 | -29.1 | -14.9 | -10.6 | -0.3 | 7.2 | 11.1 | 9.6 | 3.3 | -6.0 | -14.4 | -11.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.9 | 7.2 | 6.6 | 7.2 | 11.1 | 12.9 | 12.4 | 10.9 | 8.1 | 6.7 | 5.3 | 3.8 |
| Precipitation (mm) | 55 | 55 | 54 | 137 | 37 | 81 | 85 | 53 | 176 | 83 | 15 | 64 |
| Sunny days | 17 | 17 | 14 | 11 | 16 | 17 | 10 | 12 | 11 | 16 | 23 | 16 |
| Rainy days | 4 | 3 | 5 | 14 | 15 | 13 | 21 | 19 | 19 | 14 | 5 | 9 |
| Snow days | 10 | 8 | 12 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 6 |
The best time to visit Riverside during the most sunny months:
Months with the longest average daylight duration in Riverside:
The largest precipitation sum in Riverside is at