Average annual temperature is 7.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -32.0 °C
Number of sunny days: 209 days
Number of rainy days: 105 days
Number of snow days: 51 days
Look at detailed online map of Cow Island (historical)
* Weather data for Cow Island (historical) 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) | 7.6 | 9.1 | 7.0 | 22.7 | 27.0 | 27.7 | 34.9 | 34.5 | 31.0 | 23.8 | 12.8 | 14.7 |
| Average daytime temperature (°C) | -0.2 | 0.9 | -1.2 | 10.5 | 21.3 | 22.5 | 27.8 | 28.4 | 23.2 | 11.1 | 6.7 | 5.4 |
| Average temperature (°C) | -4.3 | -4.5 | -5.7 | 4.1 | 15.0 | 17.1 | 21.1 | 21.3 | 16.6 | 5.8 | 1.6 | 0.8 |
| Average night temperature (°C) | -8.4 | -8.3 | -9.2 | -0.7 | 9.3 | 12.0 | 14.3 | 15.4 | 11.1 | 1.6 | -2.1 | -2.6 |
| Absolute minimum temperature (°C) | -25.0 | -32.0 | -15.5 | -11.9 | 2.8 | 5.5 | 9.1 | 10.0 | 7.3 | -16.9 | -8.7 | -7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.7 | 6.9 | 7.8 | 8.8 | 11.8 | 11.9 | 13.8 | 11.4 | 9.9 | 6.5 | 6.5 | 6.1 |
| Precipitation (mm) | 13 | 19 | 24 | 30 | 68 | 117 | 8 | 40 | 32 | 52 | 14 | 7 |
| Sunny days | 19 | 16 | 16 | 17 | 13 | 10 | 18 | 21 | 19 | 17 | 19 | 24 |
| Rainy days | 4 | 1 | 3 | 6 | 18 | 20 | 13 | 10 | 11 | 10 | 7 | 2 |
| Snow days | 8 | 11 | 12 | 7 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 5 |
The best time to visit Cow Island (historical) during the most sunny months:
Months with the longest average daylight duration in Cow Island (historical):
The largest precipitation sum in Cow Island (historical) is at