Average annual temperature is 10.3 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -25.1 °C
Number of sunny days: 224 days
Number of rainy days: 117 days
Number of snow days: 24 days
Look at detailed online map of Round Valley
* Weather data for Round Valley 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) | 4.8 | 11.8 | 17.1 | 27.9 | 27.6 | 31.7 | 37.1 | 38.6 | 36.8 | 29.5 | 18.2 | 16.1 |
| Average daytime temperature (°C) | -2.0 | 3.2 | 7.5 | 16.5 | 23.0 | 27.3 | 29.6 | 30.8 | 26.8 | 16.6 | 11.0 | 5.8 |
| Average temperature (°C) | -5.3 | -3.2 | 0.2 | 9.1 | 16.8 | 21.3 | 23.5 | 24.3 | 20.3 | 10.6 | 4.9 | 0.5 |
| Average night temperature (°C) | -8.4 | -7.5 | -4.5 | 3.0 | 11.2 | 15.8 | 17.9 | 18.9 | 14.9 | 5.9 | 0.5 | -3.1 |
| Absolute minimum temperature (°C) | -21.4 | -25.1 | -11.9 | -6.5 | 0.8 | 10.1 | 12.1 | 13.7 | 9.7 | -9.3 | -7.9 | -7.8 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.3 | 7.8 | 9.0 | 10.7 | 10.9 | 12.2 | 12.3 | 11.9 | 10.4 | 7.7 | 7.2 | 5.1 |
| Precipitation (mm) | 86 | 18 | 33 | 8 | 110 | 81 | 99 | 54 | 50 | 88 | 29 | 40 |
| Sunny days | 20 | 20 | 23 | 22 | 10 | 13 | 12 | 19 | 22 | 18 | 24 | 21 |
| Rainy days | 3 | 3 | 4 | 7 | 21 | 17 | 19 | 12 | 8 | 11 | 4 | 8 |
| Snow days | 8 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 |
The best time to visit Round Valley during the most sunny months:
The largest precipitation sum in Round Valley is at