July weather in Mackinac Island, MI
The average temperature in Mackinac Island in July is 66.3°F (57.1°F–75.5°F). Average precipitation: 2.98 inches.
July is a summer month in Mackinac Island, and is warmer than the annual average of 42.5°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Daylight averages about 15h 12m. For travel, July is one of the best months of the year to visit.
Avg High
75.5°F
Avg Low
57.1°F
Precipitation
2.98 in
Daylight
15h 12m
July records in Mackinac Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 82.0°F (2018) | 48.0°F (2010) | 0.20 in (2015) |
| July 2 | 88.0°F (2018) | 44.1°F (2015) | 0.33 in (2019) |
| July 3 | 87.1°F (2012) | 46.0°F (2015) | 0.23 in (2017) |
| July 4 | 86.0°F (2020) | 50.0°F (2017) | 0.10 in (2015) |
| July 5 | 87.1°F (2018) | 53.1°F (2015) | 0.17 in (2010) |
| July 6 | 87.1°F (2018) | 52.0°F (2018) | 0.41 in (2021) |
| July 7 | 84.0°F (2020) | 52.0°F (2018) | 0.31 in (2015) |
| July 8 | 82.0°F (2013) | 43.0°F (2015) | 0.31 in (2021) |
| July 9 | 88.0°F (2012) | 46.9°F (2021) | 0.78 in (2016) |
| July 10 | 84.9°F (2020) | 48.0°F (2021) | 0.00 in (2010) |
| July 11 | 79.0°F (2018) | 54.0°F (2013) | 0.30 in (2020) |
| July 12 | 82.0°F (2010) | 50.0°F (2019) | 0.90 in (2011) |
| July 13 | 86.0°F (2016) | 52.0°F (2019) | 0.12 in (2018) |
| July 14 | 89.1°F (2016) | 51.1°F (2019) | 0.40 in (2021) |
| July 15 | 86.0°F (2018) | 52.0°F (2017) | 0.72 in (2021) |
| July 16 | 87.1°F (2012) | 45.0°F (2016) | 0.68 in (2020) |
| July 17 | 86.0°F (2013) | 46.9°F (2016) | 0.01 in (2015) |
| July 18 | 84.9°F (2013) | 46.0°F (2018) | 1.36 in (2016) |
| July 19 | 82.0°F (2011) | 46.0°F (2018) | 1.23 in (2020) |
| July 20 | 82.0°F (2019) | 51.1°F (2016) | 0.06 in (2020) |
| July 21 | 82.0°F (2019) | 50.0°F (2020) | 0.28 in (2018) |
| July 22 | 86.0°F (2011) | 51.1°F (2013) | 1.23 in (2020) |
| July 23 | 86.0°F (2016) | 51.1°F (2019) | 0.54 in (2020) |
| July 24 | 88.0°F (2012) | 52.0°F (2019) | 0.92 in (2017) |
| July 25 | 87.1°F (2016) | 51.1°F (2017) | 0.42 in (2016) |
| July 26 | 84.0°F (2020) | 55.0°F (2017) | 1.17 in (2018) |
| July 27 | 82.9°F (2015) | 55.0°F (2011) | 0.93 in (2020) |
| July 28 | 86.0°F (2015) | 53.1°F (2018) | 0.73 in (2010) |
| July 29 | 88.0°F (2015) | 48.0°F (2013) | 0.38 in (2020) |
| July 30 | 88.0°F (2015) | 48.9°F (2021) | 0.02 in (2019) |
| July 31 | 82.0°F (2018) | 45.0°F (2019) | 1.13 in (2012) |