April weather in Port Sanilac, MI
The average temperature in Port Sanilac in April is 42.6°F (33.7°F–51.6°F). Average precipitation: 3.37 inches.
April is a spring month in Port Sanilac, and is cooler than the annual average of 46.5°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 12m. For travel, April is cool.
Avg High
51.6°F
Avg Low
33.7°F
Precipitation
3.37 in
Daylight
13h 12m
April records in Port Sanilac
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 78.1°F (2026) | 19.9°F (2019) | 0.61 in (2006) |
| April 2 | 77.0°F (2010) | 19.0°F (2013) | 0.15 in (2004) |
| April 3 | 78.1°F (2010) | 19.9°F (2013) | 2.53 in (2025) |
| April 4 | 78.1°F (2010) | 19.9°F (2016) | 0.80 in (2003) |
| April 5 | 64.9°F (2010) | 18.0°F (2016) | 1.60 in (2026) |
| April 6 | 73.0°F (2010) | 18.0°F (2003) | 0.85 in (2017) |
| April 7 | 73.0°F (2021) | 15.1°F (2018) | 0.74 in (2017) |
| April 8 | 68.0°F (2008) | 18.0°F (2018) | 0.47 in (2006) |
| April 9 | 68.0°F (2021) | 21.0°F (2007) | 0.95 in (2002) |
| April 10 | 75.9°F (2024) | 19.0°F (2016) | 2.01 in (2013) |
| April 11 | 79.0°F (2011) | 25.0°F (2016) | 1.26 in (2013) |
| April 12 | 71.1°F (2008) | 25.0°F (2009) | 1.14 in (2013) |
| April 13 | 80.1°F (2023) | 24.1°F (2009) | 0.85 in (2014) |
| April 14 | 84.0°F (2023) | 26.1°F (2007) | 0.40 in (2018) |
| April 15 | 77.0°F (2006) | 24.1°F (2008) | 0.72 in (2026) |
| April 16 | 84.9°F (2003) | 19.0°F (2014) | 1.12 in (2018) |
| April 17 | 87.1°F (2002) | 23.0°F (2014) | 0.53 in (2019) |
| April 18 | 82.9°F (2002) | 23.0°F (2025) | 0.64 in (2013) |
| April 19 | 82.9°F (2002) | 28.9°F (2011) | 0.88 in (2013) |
| April 20 | 84.0°F (2005) | 24.1°F (2026) | 0.78 in (2011) |
| April 21 | 73.9°F (2003) | 25.0°F (2013) | 1.64 in (2017) |
| April 22 | 77.0°F (2014) | 23.0°F (2020) | 0.34 in (2006) |
| April 23 | 80.1°F (2007) | 24.1°F (2020) | 0.44 in (2011) |
| April 24 | 75.9°F (2007) | 26.1°F (2014) | 0.80 in (2005) |
| April 25 | 81.0°F (2022) | 28.9°F (2015) | 0.75 in (2005) |
| April 26 | 79.0°F (2009) | 28.9°F (2006) | 1.50 in (2019) |
| April 27 | 75.0°F (2017) | 28.0°F (2023) | 0.64 in (2007) |
| April 28 | 82.0°F (2009) | 26.1°F (2022) | 1.96 in (2011) |
| April 29 | 80.1°F (2024) | 25.0°F (2012) | 1.00 in (2023) |
| April 30 | 84.9°F (2025) | 25.0°F (2008) | 0.75 in (2014) |