Average annual temperature is 11.5 °C
Absolute maximum temperature: 25.4 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 173 days
Number of rainy days: 188 days
Number of snow days: 4 days
Look at detailed online map of Old Harbor
* Weather data for Old 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) | 11.5 | 9.6 | 8.7 | 13.6 | 15.9 | 19.5 | 25.4 | 24.7 | 22.5 | 18.9 | 15.1 | 14.2 |
| Average daytime temperature (°C) | 7.3 | 5.5 | 6.3 | 9.6 | 13.1 | 16.2 | 22.1 | 21.6 | 19.7 | 16.2 | 10.4 | 8.2 |
| Average temperature (°C) | 5.2 | 2.8 | 4.6 | 8.1 | 11.7 | 15.1 | 20.9 | 20.3 | 18.7 | 14.9 | 8.3 | 6.7 |
| Average night temperature (°C) | 3.5 | 0.4 | 3.2 | 7.1 | 10.6 | 14.3 | 19.9 | 19.3 | 17.8 | 13.8 | 6.6 | 5.2 |
| Absolute minimum temperature (°C) | 0.2 | -20.5 | 0.6 | 3.4 | 7.1 | 10.1 | 17.2 | 16.5 | 14.3 | 7.9 | 0.1 | -0.7 |
| 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 | 9.2 |
| 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) | 4.1 | 5.8 | 6.9 | 9.1 | 11.9 | 10.3 | 10.4 | 10.1 | 7.8 | 8.0 | 7.2 | 5.2 |
| Precipitation (mm) | 198 | 71 | 88 | 70 | 45 | 113 | 95 | 95 | 146 | 54 | 35 | 96 |
| Sunny days | 6 | 13 | 13 | 20 | 22 | 11 | 12 | 14 | 14 | 13 | 19 | 16 |
| Rainy days | 25 | 11 | 18 | 10 | 9 | 19 | 19 | 17 | 16 | 18 | 11 | 15 |
| Snow days | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Old Harbor during the most sunny months:
The largest precipitation sum in Old Harbor is at