Average annual temperature is 6.6 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -30.8 °C
Number of sunny days: 219 days
Number of rainy days: 102 days
Number of snow days: 44 days
Look at detailed online map of Rock Haven
* Weather data for Rock Haven 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) | 2.7 | 5.4 | 0.3 | 15.9 | 29.1 | 31.9 | 33.9 | 33.4 | 34.9 | 28.3 | 12.3 | 13.2 |
| Average daytime temperature (°C) | -5.0 | -2.3 | -5.1 | 7.2 | 22.7 | 27.0 | 27.7 | 27.8 | 23.5 | 12.8 | 5.6 | 3.3 |
| Average temperature (°C) | -8.9 | -7.8 | -9.3 | 1.5 | 15.8 | 21.1 | 21.0 | 21.6 | 17.5 | 7.3 | 0.3 | -1.5 |
| Average night temperature (°C) | -12.1 | -12.7 | -13.0 | -3.2 | 9.0 | 15.4 | 15.2 | 16.3 | 12.5 | 3.0 | -3.7 | -5.1 |
| Absolute minimum temperature (°C) | -27.4 | -30.8 | -22.0 | -14.9 | -2.3 | 10.2 | 9.4 | 11.7 | 8.3 | -15.0 | -13.1 | -11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.9 | 7.0 | 7.6 | 9.6 | 11.6 | 12.6 | 13.1 | 10.9 | 9.5 | 7.5 | 6.7 | 5.5 |
| Precipitation (mm) | 9 | 16 | 45 | 20 | 67 | 114 | 56 | 40 | 80 | 36 | 3 | 21 |
| Sunny days | 24 | 19 | 13 | 19 | 16 | 13 | 19 | 17 | 16 | 17 | 25 | 21 |
| Rainy days | 2 | 1 | 2 | 6 | 15 | 17 | 12 | 14 | 14 | 11 | 4 | 4 |
| Snow days | 5 | 8 | 16 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 6 |
The best time to visit Rock Haven during the most sunny months:
Months with the longest average daylight duration in Rock Haven:
The largest precipitation sum in Rock Haven is at