December weather in Mackinac Island, MI
The average temperature in Mackinac Island in December is 25.8°F (19.9°F–31.7°F). Average precipitation: 2.31 inches.
December is a winter month in Mackinac Island, and is cooler than the annual average of 42.5°F. Daily temperatures swing about 11.8°F between overnight low and afternoon high. Daylight averages about 8h 29m. For travel, December is cold.
Avg High
31.7°F
Avg Low
19.9°F
Precipitation
2.31 in
Daylight
8h 29m
December records in Mackinac Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 48.0°F (2016) | 17.1°F (2014) | 0.36 in (2009) |
| December 2 | 45.0°F (2012) | 8.1°F (2014) | 0.56 in (2019) |
| December 3 | 46.0°F (2017) | 14.0°F (2014) | 0.12 in (2018) |
| December 4 | 57.9°F (2012) | 16.0°F (2014) | 0.40 in (2011) |
| December 5 | 55.9°F (2017) | 15.1°F (2014) | 1.32 in (2017) |
| December 6 | 46.9°F (2015) | 18.0°F (2020) | 0.41 in (2021) |
| December 7 | 43.0°F (2015) | 10.0°F (2018) | 0.03 in (2017) |
| December 8 | 41.0°F (2015) | 5.0°F (2013) | 0.21 in (2017) |
| December 9 | 42.1°F (2015) | 10.9°F (2021) | 0.25 in (2014) |
| December 10 | 52.0°F (2015) | 10.0°F (2019) | 0.52 in (2009) |
| December 11 | 45.0°F (2015) | 5.0°F (2013) | 0.30 in (2021) |
| December 12 | 43.0°F (2011) | 7.0°F (2017) | 0.42 in (2010) |
| December 13 | 41.0°F (2015) | 3.0°F (2010) | 0.51 in (2020) |
| December 14 | 52.0°F (2015) | -0.9°F (2017) | 1.53 in (2015) |
| December 15 | 51.1°F (2015) | 5.0°F (2017) | 1.40 in (2015) |
| December 16 | 59.0°F (2021) | -5.1°F (2013) | 0.54 in (2012) |
| December 17 | 60.1°F (2021) | -4.0°F (2013) | 0.46 in (2014) |
| December 18 | 36.0°F (2012) | 1.0°F (2016) | 0.21 in (2014) |
| December 19 | 39.9°F (2011) | 0.0°F (2019) | 0.14 in (2017) |
| December 20 | 41.0°F (2018) | 0.0°F (2019) | 0.11 in (2020) |
| December 21 | 39.9°F (2015) | 10.0°F (2014) | 0.80 in (2012) |
| December 22 | 37.9°F (2019) | 12.0°F (2009) | 0.32 in (2016) |
| December 23 | 41.0°F (2019) | 1.9°F (2013) | 0.19 in (2013) |
| December 24 | 54.0°F (2015) | -8.0°F (2013) | 0.26 in (2015) |
| December 25 | 37.9°F (2015) | -8.0°F (2013) | 0.15 in (2014) |
| December 26 | 37.9°F (2009) | 0.0°F (2017) | 0.40 in (2016) |
| December 27 | 48.9°F (2016) | -2.9°F (2017) | 0.09 in (2014) |
| December 28 | 43.0°F (2018) | -5.1°F (2017) | 0.46 in (2018) |
| December 29 | 44.1°F (2018) | -5.1°F (2017) | 0.75 in (2015) |
| December 30 | 42.1°F (2010) | -4.0°F (2013) | 0.45 in (2019) |
| December 31 | 34.0°F (2019) | -7.1°F (2017) | 0.65 in (2019) |