Average annual temperature is 11.4 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -22.6 °C
Number of sunny days: 199 days
Number of rainy days: 152 days
Number of snow days: 14 days
Look at detailed online map of Rollo
* Weather data for Rollo 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) | 10.3 | 14.5 | 20.6 | 26.1 | 32.3 | 33.3 | 34.5 | 36.6 | 33.9 | 28.0 | 19.6 | 14.4 |
| Average daytime temperature (°C) | 2.7 | 5.5 | 8.3 | 17.2 | 23.9 | 28.9 | 28.6 | 28.2 | 24.7 | 17.1 | 9.7 | 6.6 |
| Average temperature (°C) | -1.2 | 0.0 | 3.0 | 10.0 | 17.0 | 22.3 | 23.1 | 22.5 | 19.4 | 12.4 | 4.6 | 2.8 |
| Average night temperature (°C) | -4.1 | -4.2 | -0.9 | 4.0 | 10.8 | 15.9 | 18.1 | 17.7 | 15.3 | 8.5 | 0.6 | 0.2 |
| Absolute minimum temperature (°C) | -22.6 | -20.2 | -12.2 | -2.7 | 1.4 | 8.6 | 14.2 | 11.4 | 9.4 | -2.8 | -11.0 | -8.2 |
| 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 | 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 | 14.9 | 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) | 3.4 | 7.6 | 6.4 | 9.1 | 10.8 | 12.3 | 12.0 | 10.7 | 8.3 | 7.1 | 7.1 | 4.1 |
| Precipitation (mm) | 58 | 73 | 111 | 83 | 46 | 17 | 145 | 73 | 118 | 89 | 32 | 65 |
| Sunny days | 14 | 16 | 15 | 15 | 21 | 19 | 16 | 15 | 14 | 14 | 23 | 17 |
| Rainy days | 10 | 9 | 15 | 15 | 10 | 11 | 15 | 16 | 16 | 16 | 6 | 13 |
| Snow days | 7 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit Rollo during the most sunny months:
The largest precipitation sum in Rollo is at