Average annual temperature is 12.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -20.0 °C
Number of sunny days: 214 days
Number of rainy days: 131 days
Number of snow days: 20 days
Look at detailed online map of Riverton
* Weather data for Riverton 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) | 10.9 | 16.8 | 22.0 | 29.8 | 30.6 | 33.5 | 35.7 | 36.7 | 34.5 | 33.2 | 21.4 | 16.4 |
| Average daytime temperature (°C) | 3.3 | 7.4 | 10.3 | 20.0 | 26.4 | 30.0 | 29.2 | 29.6 | 28.2 | 19.9 | 12.6 | 7.6 |
| Average temperature (°C) | -1.2 | 0.3 | 3.9 | 12.5 | 19.6 | 24.0 | 24.1 | 24.4 | 22.2 | 14.4 | 6.6 | 3.1 |
| Average night temperature (°C) | -4.5 | -4.6 | -0.7 | 6.4 | 13.4 | 17.9 | 19.6 | 20.1 | 16.8 | 9.8 | 2.0 | -0.4 |
| Absolute minimum temperature (°C) | -15.4 | -20.0 | -10.4 | -3.8 | 3.3 | 11.0 | 14.2 | 13.2 | 10.7 | -4.3 | -6.5 | -5.1 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 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) | 5.8 | 7.5 | 7.7 | 9.7 | 11.5 | 13.0 | 11.1 | 11.2 | 10.9 | 8.0 | 6.9 | 5.3 |
| Precipitation (mm) | 32 | 88 | 35 | 32 | 112 | 74 | 102 | 65 | 26 | 28 | 14 | 53 |
| Sunny days | 18 | 19 | 18 | 23 | 13 | 16 | 10 | 15 | 22 | 17 | 24 | 19 |
| Rainy days | 5 | 6 | 11 | 6 | 18 | 14 | 21 | 16 | 8 | 13 | 4 | 9 |
| Snow days | 8 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
The best time to visit Riverton during the most sunny months:
The largest precipitation sum in Riverton is at