Average annual temperature is 14.6 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 172 days
Number of rainy days: 189 days
Number of snow days: 4 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) | 19.0 | 24.3 | 24.7 | 28.4 | 28.3 | 31.9 | 35.6 | 37.1 | 34.5 | 29.7 | 26.2 | 19.2 |
| Average daytime temperature (°C) | 10.8 | 14.1 | 14.6 | 20.1 | 23.9 | 27.7 | 30.7 | 29.5 | 27.5 | 21.2 | 15.2 | 11.6 |
| Average temperature (°C) | 6.0 | 8.0 | 8.3 | 13.6 | 17.6 | 21.3 | 24.7 | 23.7 | 21.2 | 15.5 | 8.9 | 6.4 |
| Average night temperature (°C) | 2.7 | 3.5 | 3.6 | 8.2 | 12.6 | 16.1 | 20.1 | 19.0 | 16.1 | 11.1 | 4.7 | 2.8 |
| Absolute minimum temperature (°C) | -5.3 | -6.7 | -8.1 | 0.6 | 5.0 | 10.5 | 16.2 | 12.8 | 12.5 | 3.1 | -5.3 | -6.2 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 4.6 | 6.8 | 7.9 | 9.4 | 10.1 | 10.7 | 11.4 | 10.5 | 10.5 | 7.8 | 7.4 | 5.6 |
| Precipitation (mm) | 136 | 92 | 100 | 76 | 75 | 119 | 65 | 86 | 56 | 74 | 43 | 89 |
| Sunny days | 10 | 13 | 19 | 18 | 15 | 14 | 6 | 14 | 12 | 16 | 22 | 13 |
| Rainy days | 20 | 14 | 11 | 12 | 16 | 16 | 25 | 17 | 18 | 15 | 8 | 17 |
| Snow days | 1 | 1 | 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