January weather in South Lyon, MI
The average temperature in South Lyon in January is 22.4°F (14.6°F–30.2°F). Average precipitation: 2.38 inches.
January is a winter month in South Lyon, and is cooler than the annual average of 47.1°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Daylight averages about 9h 13m. For travel, January is cold.
Avg High
30.2°F
Avg Low
14.6°F
Precipitation
2.38 in
Daylight
9h 13m
January records in South Lyon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 54.0°F (2011) | -11.9°F (2018) | 1.25 in (2008) |
| January 2 | 45.0°F (2011) | -16.1°F (2014) | 0.35 in (2022) |
| January 3 | 46.0°F (2020) | -11.9°F (2014) | 0.39 in (2017) |
| January 4 | 55.0°F (2023) | -14.1°F (2014) | 0.67 in (2015) |
| January 5 | 50.0°F (2019) | -7.1°F (2018) | 0.33 in (2014) |
| January 6 | 48.0°F (2019) | 3.0°F (2017) | 0.79 in (2014) |
| January 7 | 54.0°F (2012) | -17.0°F (2014) | 0.25 in (2026) |
| January 8 | 61.0°F (2008) | -15.0°F (2014) | 0.76 in (2008) |
| January 9 | 57.0°F (2008) | -11.0°F (2014) | 1.20 in (2008) |
| January 10 | 57.9°F (2026) | -5.1°F (2010) | 0.82 in (2024) |
| January 11 | 53.1°F (2020) | -0.9°F (2015) | 1.63 in (2020) |
| January 12 | 55.0°F (2013) | 1.9°F (2022) | 1.08 in (2020) |
| January 13 | 39.9°F (2014) | -5.1°F (2015) | 0.75 in (2024) |
| January 14 | 44.1°F (2021) | -13.0°F (2009) | 0.23 in (2013) |
| January 15 | 42.1°F (2021) | -11.0°F (2009) | 0.29 in (2026) |
| January 16 | 41.0°F (2016) | -16.1°F (2009) | 0.20 in (2021) |
| January 17 | 44.1°F (2012) | -16.1°F (2009) | 0.90 in (2017) |
| January 18 | 50.0°F (2012) | -0.9°F (2018) | 0.45 in (2020) |
| January 19 | 41.0°F (2023) | 3.9°F (2014) | 0.28 in (2023) |
| January 20 | 48.0°F (2013) | -4.0°F (2012) | 0.21 in (2023) |
| January 21 | 45.0°F (2018) | -14.1°F (2019) | 0.18 in (2012) |
| January 22 | 55.9°F (2017) | -17.0°F (2014) | 0.30 in (2026) |
| January 23 | 50.0°F (2018) | -11.0°F (2014) | 0.38 in (2024) |
| January 24 | 46.9°F (2012) | -18.9°F (2026) | 0.22 in (2024) |
| January 25 | 46.0°F (2010) | -5.1°F (2009) | 0.30 in (2020) |
| January 26 | 44.1°F (2017) | -7.1°F (2019) | 1.30 in (2024) |
| January 27 | 52.0°F (2018) | -8.0°F (2009) | 0.50 in (2008) |
| January 28 | 52.0°F (2018) | -15.0°F (2014) | 0.53 in (2013) |
| January 29 | 46.0°F (2018) | -16.1°F (2014) | 0.25 in (2019) |
| January 30 | 59.0°F (2013) | -9.9°F (2019) | 1.02 in (2013) |
| January 31 | 52.0°F (2013) | -18.9°F (2019) | 0.20 in (2017) |