Average annual temperature is 8.5 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -9.4 °C
Number of sunny days: 83 days
Number of rainy days: 275 days
Number of snow days: 7 days
Look at detailed online map of Annette Island Reserve
* Weather data for Annette Island Reserve 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) | 8.0 | 7.4 | 10.7 | 17.6 | 23.4 | 23.6 | 26.7 | 24.1 | 22.6 | 17.2 | 10.0 | 9.0 |
| Average daytime temperature (°C) | 6.0 | 3.8 | 6.1 | 8.4 | 15.2 | 16.7 | 20.0 | 19.6 | 14.8 | 11.4 | 7.9 | 6.1 |
| Average temperature (°C) | 4.3 | 1.8 | 2.5 | 5.3 | 11.1 | 12.9 | 15.8 | 15.8 | 12.1 | 8.8 | 6.2 | 4.3 |
| Average night temperature (°C) | 2.9 | -0.2 | 0.5 | 3.1 | 8.0 | 9.9 | 12.8 | 13.3 | 10.3 | 6.9 | 4.5 | 2.6 |
| Absolute minimum temperature (°C) | -2.2 | -9.4 | -6.2 | -0.4 | 4.9 | 6.8 | 9.1 | 10.3 | 6.5 | 0.5 | 0.0 | -1.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.9 | 9.7 | 11.9 | 14.1 | 16.2 | 17.3 | 16.7 | 14.9 | 12.7 | 10.5 | 8.4 | 7.3 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 1.5 | 3.1 | 6.1 | 6.5 | 9.9 | 10.1 | 11.2 | 8.3 | 5.1 | 3.7 | 1.8 | 1.0 |
| Precipitation (mm) | 431 | 461 | 151 | 315 | 133 | 163 | 103 | 145 | 324 | 232 | 536 | 470 |
| Sunny days | 2 | 3 | 12 | 2 | 15 | 11 | 8 | 11 | 6 | 11 | 2 | 0 |
| Rainy days | 29 | 20 | 17 | 28 | 16 | 19 | 23 | 20 | 24 | 20 | 28 | 31 |
| Snow days | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Annette Island Reserve during the most sunny months:
Months with the longest average daylight duration in Annette Island Reserve:
The largest precipitation sum in Annette Island Reserve is at