Average annual temperature is 11.6 °C
Absolute maximum temperature: 27.2 °C
Absolute minimum temperature: -23.9 °C
Number of sunny days: 167 days
Number of rainy days: 192 days
Number of snow days: 6 days
Look at detailed online map of Rock Harbor
* Weather data for Rock Harbor 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) | 11.4 | 14.4 | 9.7 | 18.5 | 20.3 | 22.1 | 27.2 | 25.5 | 26.3 | 20.1 | 15.6 | 14.2 |
| Average daytime temperature (°C) | 6.9 | 5.4 | 6.2 | 10.5 | 14.8 | 17.7 | 23.7 | 22.4 | 20.2 | 16.6 | 10.0 | 8.0 |
| Average temperature (°C) | 4.8 | 2.4 | 4.4 | 8.5 | 12.4 | 16.0 | 21.9 | 20.6 | 18.9 | 14.8 | 7.8 | 6.3 |
| Average night temperature (°C) | 3.0 | -0.2 | 2.8 | 7.0 | 10.8 | 14.8 | 20.6 | 19.3 | 17.8 | 13.5 | 6.1 | 4.7 |
| Absolute minimum temperature (°C) | -0.8 | -23.9 | -0.2 | 3.0 | 6.8 | 10.0 | 18.6 | 17.3 | 13.9 | 7.4 | 0.2 | -0.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 5.6 | 7.1 | 9.1 | 11.9 | 10.2 | 10.6 | 10.0 | 8.0 | 7.9 | 7.2 | 5.1 |
| Precipitation (mm) | 220 | 73 | 105 | 69 | 55 | 87 | 115 | 81 | 129 | 53 | 39 | 99 |
| Sunny days | 6 | 12 | 13 | 18 | 21 | 12 | 12 | 15 | 14 | 12 | 17 | 15 |
| Rainy days | 24 | 12 | 18 | 12 | 10 | 18 | 19 | 16 | 16 | 19 | 13 | 15 |
| Snow days | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Rock Harbor during the most sunny months:
The largest precipitation sum in Rock Harbor is at