Average annual temperature is 13.7 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 182 days
Number of rainy days: 178 days
Number of snow days: 5 days
Look at detailed online map of Roundstone
* Weather data for Roundstone 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) | 19.2 | 23.0 | 24.2 | 26.8 | 27.2 | 30.8 | 32.8 | 33.9 | 32.3 | 27.9 | 23.7 | 16.5 |
| Average daytime temperature (°C) | 10.5 | 13.5 | 14.2 | 19.8 | 22.6 | 25.4 | 29.6 | 27.8 | 25.9 | 20.1 | 14.5 | 10.5 |
| Average temperature (°C) | 5.2 | 7.6 | 8.0 | 13.1 | 16.6 | 19.8 | 23.8 | 22.5 | 19.9 | 14.3 | 8.1 | 5.6 |
| Average night temperature (°C) | 1.6 | 3.2 | 3.2 | 7.6 | 11.6 | 14.9 | 19.3 | 18.4 | 15.3 | 9.9 | 3.7 | 2.1 |
| Absolute minimum temperature (°C) | -6.4 | -8.2 | -7.7 | 0.5 | 3.2 | 9.1 | 15.8 | 12.6 | 11.1 | 3.0 | -6.1 | -6.3 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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 | 5.8 | 8.2 | 9.7 | 10.3 | 11.1 | 11.4 | 10.2 | 10.5 | 8.1 | 7.7 | 5.6 |
| Precipitation (mm) | 103 | 106 | 100 | 78 | 77 | 67 | 56 | 107 | 54 | 31 | 36 | 75 |
| Sunny days | 12 | 14 | 19 | 17 | 14 | 13 | 9 | 12 | 16 | 21 | 20 | 15 |
| Rainy days | 16 | 14 | 11 | 13 | 17 | 17 | 22 | 19 | 14 | 10 | 10 | 15 |
| Snow days | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Roundstone during the most sunny months:
The largest precipitation sum in Roundstone is at