Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 146 days
Number of rainy days: 203 days
Number of snow days: 16 days
Look at detailed online map of Harbor
* Weather data for 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) | 15.1 | 21.0 | 19.2 | 28.0 | 32.1 | 33.5 | 32.3 | 30.8 | 32.4 | 27.9 | 17.2 | 15.3 |
| Average daytime temperature (°C) | 6.4 | 10.2 | 9.4 | 17.8 | 22.3 | 25.6 | 28.6 | 27.0 | 24.3 | 17.5 | 10.4 | 8.1 |
| Average temperature (°C) | 2.4 | 3.1 | 3.7 | 10.9 | 15.2 | 19.4 | 22.5 | 21.0 | 18.5 | 12.8 | 5.4 | 4.4 |
| Average night temperature (°C) | -0.5 | -1.7 | -0.4 | 5.3 | 8.8 | 13.9 | 17.7 | 16.4 | 13.8 | 9.0 | 1.5 | 1.6 |
| Absolute minimum temperature (°C) | -6.8 | -11.6 | -7.1 | -3.8 | 2.0 | 8.8 | 13.4 | 12.3 | 8.2 | 1.3 | -7.1 | -4.7 |
| 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 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 2.6 | 6.3 | 6.1 | 8.3 | 10.7 | 10.9 | 11.5 | 10.9 | 9.0 | 6.3 | 6.4 | 3.4 |
| Precipitation (mm) | 140 | 74 | 121 | 88 | 46 | 113 | 122 | 99 | 36 | 80 | 52 | 76 |
| Sunny days | 8 | 11 | 9 | 13 | 21 | 14 | 5 | 8 | 11 | 16 | 20 | 10 |
| Rainy days | 17 | 14 | 18 | 17 | 10 | 16 | 26 | 23 | 19 | 15 | 8 | 20 |
| Snow days | 6 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Harbor during the most sunny months:
The largest precipitation sum in Harbor is at