December weather in Ortonville, MI
The average temperature in Ortonville in December is 28.7°F (21.9°F–35.4°F). Average precipitation: 1.92 inches.
December is a winter month in Ortonville, and is cooler than the annual average of 47.5°F. Daily temperatures swing about 13.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 51m. For travel, December is cold.
Avg High
35.4°F
Avg Low
21.9°F
Precipitation
1.92 in
Daylight
8h 51m
December records in Ortonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (2014) | 10.0°F (2007) | 0.88 in (2006) |
| December 2 | 55.9°F (2012) | 12.0°F (2007) | 0.61 in (2023) |
| December 3 | 57.0°F (2018) | 12.0°F (2005) | 0.68 in (2007) |
| December 4 | 62.1°F (2012) | 12.0°F (2005) | 0.31 in (2011) |
| December 5 | 57.9°F (2013) | 0.0°F (2025) | 0.12 in (2016) |
| December 6 | 53.1°F (2015) | 8.1°F (2007) | 0.17 in (2021) |
| December 7 | 46.9°F (2015) | 8.1°F (2005) | 0.09 in (2008) |
| December 8 | 55.0°F (2004) | -0.9°F (2005) | 0.69 in (2004) |
| December 9 | 54.0°F (2023) | 0.0°F (2005) | 0.80 in (2005) |
| December 10 | 61.0°F (2023) | 6.1°F (2013) | 0.43 in (2008) |
| December 11 | 55.9°F (2015) | 6.1°F (2008) | 0.45 in (2021) |
| December 12 | 60.1°F (2021) | 1.0°F (2013) | 0.51 in (2016) |
| December 13 | 57.0°F (2015) | 3.0°F (2005) | 0.52 in (2006) |
| December 14 | 62.1°F (2015) | 1.0°F (2025) | 0.36 in (2017) |
| December 15 | 59.0°F (2015) | 1.0°F (2025) | 0.55 in (2011) |
| December 16 | 60.1°F (2021) | 1.0°F (2010) | 0.48 in (2005) |
| December 17 | 63.0°F (2021) | 1.0°F (2010) | 0.25 in (2008) |
| December 18 | 62.1°F (2006) | 10.0°F (2009) | 0.26 in (2023) |
| December 19 | 50.0°F (2025) | 3.0°F (2004) | 0.45 in (2004) |
| December 20 | 48.0°F (2018) | -9.9°F (2004) | 0.37 in (2008) |
| December 21 | 46.9°F (2006) | -9.9°F (2004) | 0.77 in (2012) |
| December 22 | 50.0°F (2015) | -0.9°F (2024) | 0.98 in (2013) |
| December 23 | 54.0°F (2006) | -0.9°F (2024) | 0.90 in (2004) |
| December 24 | 60.1°F (2015) | 3.0°F (2022) | 0.85 in (2004) |
| December 25 | 50.0°F (2021) | -4.0°F (2004) | 0.94 in (2014) |
| December 26 | 55.0°F (2019) | -2.9°F (2017) | 0.37 in (2005) |
| December 27 | 59.0°F (2019) | -6.0°F (2017) | 0.53 in (2025) |
| December 28 | 62.1°F (2008) | -16.1°F (2017) | 0.47 in (2008) |
| December 29 | 57.0°F (2025) | -15.0°F (2017) | 1.19 in (2025) |
| December 30 | 55.0°F (2022) | 6.1°F (2009) | 0.98 in (2024) |
| December 31 | 54.0°F (2022) | -5.1°F (2017) | 0.44 in (2022) |