Average annual temperature is 8.3 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -19.5 °C
Number of sunny days: 160 days
Number of rainy days: 156 days
Number of snow days: 49 days
Look at detailed online map of Alpena County
* Weather data for Alpena County 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) | 5.4 | 9.5 | 6.1 | 26.4 | 26.3 | 27.4 | 31.7 | 29.3 | 29.8 | 27.7 | 15.0 | 12.5 |
| Average daytime temperature (°C) | 0.5 | 1.1 | 1.8 | 10.4 | 15.7 | 22.2 | 24.0 | 22.6 | 20.5 | 14.5 | 6.5 | 4.0 |
| Average temperature (°C) | -1.9 | -3.5 | -1.3 | 6.0 | 10.9 | 17.5 | 19.9 | 18.6 | 17.0 | 11.1 | 3.1 | 1.7 |
| Average night temperature (°C) | -3.9 | -6.7 | -4.0 | 2.5 | 6.9 | 13.5 | 16.3 | 15.6 | 14.1 | 8.7 | 0.6 | -0.1 |
| Absolute minimum temperature (°C) | -15.9 | -19.5 | -10.5 | -5.6 | 1.7 | 9.9 | 12.7 | 10.9 | 9.1 | -1.1 | -6.9 | -5.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.3 | 5.7 | 7.3 | 7.3 | 11.0 | 12.0 | 12.4 | 10.5 | 9.2 | 5.5 | 5.0 | 3.2 |
| Precipitation (mm) | 68 | 66 | 63 | 105 | 35 | 58 | 80 | 88 | 26 | 88 | 41 | 55 |
| Sunny days | 10 | 8 | 11 | 12 | 22 | 21 | 6 | 12 | 18 | 7 | 18 | 15 |
| Rainy days | 10 | 7 | 9 | 14 | 9 | 9 | 25 | 19 | 12 | 24 | 7 | 11 |
| Snow days | 11 | 13 | 11 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
The best time to visit Alpena County during the most sunny months:
Months with the longest average daylight duration in Alpena County:
The largest precipitation sum in Alpena County is at