October weather in Port Sanilac, MI
The average temperature in Port Sanilac in October is 50.6°F (42.0°F–59.1°F). Average precipitation: 3.33 inches.
October is a fall month in Port Sanilac, and is warmer than the annual average of 46.5°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 10h 46m. For travel, October is a comfortable month to visit.
Avg High
59.1°F
Avg Low
42.0°F
Precipitation
3.33 in
Daylight
10h 46m
October records in Port Sanilac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 82.9°F (2002) | 35.1°F (2003) | 1.30 in (2018) |
| October 2 | 84.9°F (2002) | 33.1°F (2003) | 1.68 in (2019) |
| October 3 | 78.1°F (2005) | 33.1°F (2003) | 0.96 in (2005) |
| October 4 | 82.0°F (2005) | 37.0°F (2004) | 0.86 in (2006) |
| October 5 | 82.9°F (2005) | 32.0°F (2003) | 1.32 in (2006) |
| October 6 | 86.0°F (2007) | 32.0°F (2004) | 0.56 in (2013) |
| October 7 | 89.1°F (2007) | 33.1°F (2003) | 0.35 in (2018) |
| October 8 | 84.9°F (2007) | 32.0°F (2012) | 0.27 in (2025) |
| October 9 | 90.0°F (2007) | 33.1°F (2012) | 0.88 in (2015) |
| October 10 | 84.9°F (2018) | 37.0°F (2016) | 0.79 in (2009) |
| October 11 | 78.1°F (2018) | 28.9°F (2009) | 0.54 in (2021) |
| October 12 | 79.0°F (2021) | 28.9°F (2009) | 0.47 in (2017) |
| October 13 | 79.0°F (2008) | 30.0°F (2006) | 0.41 in (2020) |
| October 14 | 81.0°F (2008) | 32.0°F (2002) | 1.00 in (2024) |
| October 15 | 77.0°F (2021) | 30.9°F (2006) | 1.30 in (2017) |
| October 16 | 72.0°F (2017) | 28.9°F (2018) | 0.90 in (2004) |
| October 17 | 69.1°F (2016) | 30.0°F (2002) | 0.62 in (2006) |
| October 18 | 79.0°F (2016) | 26.1°F (2018) | 0.30 in (2022) |
| October 19 | 79.0°F (2016) | 26.1°F (2018) | 0.66 in (2025) |
| October 20 | 73.0°F (2007) | 33.1°F (2002) | 3.64 in (2011) |
| October 21 | 77.0°F (2024) | 28.9°F (2002) | 0.55 in (2016) |
| October 22 | 82.0°F (2024) | 30.9°F (2002) | 0.24 in (2021) |
| October 23 | 75.9°F (2007) | 32.0°F (2010) | 1.26 in (2012) |
| October 24 | 77.0°F (2020) | 30.0°F (2013) | 0.68 in (2009) |
| October 25 | 75.0°F (2022) | 27.0°F (2018) | 0.53 in (2021) |
| October 26 | 75.9°F (2012) | 30.9°F (2006) | 1.15 in (2021) |
| October 27 | 70.0°F (2010) | 30.0°F (2019) | 0.86 in (2019) |
| October 28 | 77.0°F (2023) | 30.0°F (2016) | 0.54 in (2003) |
| October 29 | 64.0°F (2014) | 30.0°F (2016) | 0.61 in (2024) |
| October 30 | 75.0°F (2024) | 25.0°F (2008) | 1.40 in (2012) |
| October 31 | 75.0°F (2024) | 23.0°F (2020) | 0.95 in (2012) |