Average annual temperature is 10.4 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -24.4 °C
Number of sunny days: 225 days
Number of rainy days: 117 days
Number of snow days: 23 days
Look at detailed online map of Riverside (historical)
* Weather data for Riverside (historical) 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) | 2.7 | 5.9 | 17.0 | 29.2 | 32.6 | 35.5 | 36.6 | 38.2 | 36.9 | 32.6 | 18.8 | 11.6 |
| Average daytime temperature (°C) | -3.8 | -0.9 | 5.6 | 16.1 | 26.0 | 30.3 | 29.2 | 30.0 | 27.4 | 16.7 | 10.7 | 5.1 |
| Average temperature (°C) | -7.1 | -6.2 | -1.0 | 9.2 | 19.0 | 24.1 | 23.2 | 24.0 | 21.4 | 11.5 | 4.7 | 0.5 |
| Average night temperature (°C) | -10.3 | -10.5 | -5.2 | 3.5 | 12.8 | 18.1 | 17.8 | 18.8 | 16.0 | 7.3 | 0.2 | -3.0 |
| Absolute minimum temperature (°C) | -24.4 | -23.0 | -13.2 | -5.7 | 2.7 | 10.8 | 11.1 | 12.0 | 10.0 | -7.0 | -8.6 | -7.3 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 7.3 | 7.4 | 9.9 | 12.1 | 13.2 | 12.3 | 11.7 | 10.2 | 7.3 | 7.0 | 5.6 |
| Precipitation (mm) | 63 | 33 | 47 | 29 | 60 | 59 | 119 | 51 | 14 | 145 | 5 | 47 |
| Sunny days | 20 | 20 | 19 | 18 | 18 | 14 | 17 | 21 | 16 | 16 | 24 | 22 |
| Rainy days | 6 | 3 | 4 | 10 | 13 | 16 | 14 | 10 | 14 | 14 | 6 | 7 |
| Snow days | 5 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
The best time to visit Riverside (historical) during the most sunny months:
Months with the longest average daylight duration in Riverside (historical):
The largest precipitation sum in Riverside (historical) is at