Average annual temperature is 19.2 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Round O
* Weather data for Round O 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) | 23.5 | 28.1 | 28.8 | 30.0 | 33.2 | 33.8 | 37.2 | 37.2 | 34.5 | 30.5 | 27.0 | 23.7 |
| Average daytime temperature (°C) | 17.7 | 21.2 | 22.0 | 25.5 | 26.5 | 30.5 | 34.0 | 33.7 | 29.9 | 25.1 | 19.5 | 16.9 |
| Average temperature (°C) | 12.0 | 15.1 | 15.9 | 19.0 | 20.8 | 24.4 | 27.7 | 27.4 | 23.7 | 19.0 | 13.7 | 11.5 |
| Average night temperature (°C) | 7.8 | 10.9 | 11.2 | 14.0 | 16.1 | 19.9 | 23.4 | 23.1 | 19.1 | 14.6 | 9.7 | 7.8 |
| Absolute minimum temperature (°C) | -0.8 | 0.6 | 1.3 | 6.6 | 10.1 | 14.9 | 20.6 | 20.3 | 15.9 | 9.2 | 1.1 | -0.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.9 | 8.7 | 10.1 | 9.6 | 10.4 | 11.0 | 11.2 | 10.2 | 8.9 | 7.0 | 6.6 |
| Precipitation (mm) | 117 | 108 | 58 | 108 | 137 | 142 | 194 | 167 | 79 | 75 | 81 | 127 |
| Sunny days | 15 | 16 | 15 | 12 | 8 | 9 | 2 | 6 | 18 | 22 | 21 | 20 |
| Rainy days | 16 | 12 | 16 | 18 | 23 | 21 | 29 | 25 | 12 | 9 | 9 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Round O is at