Average annual temperature is 5.9 °C
Absolute maximum temperature: 23.9 °C
Absolute minimum temperature: -19.8 °C
Number of sunny days: 181 days
Number of rainy days: 136 days
Number of snow days: 48 days
Look at detailed online map of Mackinac County
* Weather data for Mackinac 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) | 1.6 | 5.9 | 2.7 | 13.5 | 17.5 | 20.9 | 21.3 | 23.3 | 23.9 | 21.8 | 12.0 | 6.7 |
| Average daytime temperature (°C) | -1.5 | -2.0 | -0.6 | 3.5 | 9.0 | 16.3 | 19.3 | 19.0 | 16.6 | 11.6 | 4.7 | 1.5 |
| Average temperature (°C) | -3.4 | -4.8 | -2.9 | 1.2 | 6.3 | 13.5 | 16.9 | 16.8 | 14.7 | 9.6 | 2.6 | 0.0 |
| Average night temperature (°C) | -4.8 | -7.4 | -4.9 | -0.4 | 4.6 | 11.7 | 14.9 | 15.1 | 13.2 | 8.0 | 0.8 | -1.3 |
| Absolute minimum temperature (°C) | -13.0 | -19.8 | -10.1 | -6.6 | 0.3 | 8.4 | 12.3 | 9.1 | 9.5 | -0.6 | -6.0 | -6.6 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 5.4 | 7.8 | 8.0 | 11.1 | 12.0 | 12.8 | 11.3 | 9.8 | 6.1 | 5.5 | 3.1 |
| Precipitation (mm) | 63 | 62 | 47 | 125 | 43 | 64 | 31 | 59 | 23 | 141 | 49 | 42 |
| Sunny days | 9 | 9 | 14 | 13 | 22 | 21 | 17 | 16 | 24 | 11 | 14 | 11 |
| Rainy days | 9 | 7 | 4 | 16 | 9 | 9 | 14 | 15 | 6 | 19 | 12 | 16 |
| Snow days | 13 | 12 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 4 |
The best time to visit Mackinac County during the most sunny months:
Months with the longest average daylight duration in Mackinac County:
The largest precipitation sum in Mackinac County is at