December weather in Dover, MO
The average temperature in Dover in December is 32.0°F (23.4°F–40.6°F). Average precipitation: 1.83 inches. Average snowfall is 3.0 inches.
December is a winter month in Dover, and is cooler than the annual average of 53.6°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 15m. For travel, December is cold.
Avg High
40.6°F
Avg Low
23.4°F
Precipitation
1.83 in
Snow
3.0 in
December records in Dover
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (1995) | 10.0°F (2006) | 1.18 in (2018) |
| December 2 | 64.9°F (2012) | 10.0°F (2006) | 0.28 in (2025) |
| December 3 | 69.1°F (2021) | 10.0°F (2006) | 0.36 in (1997) |
| December 4 | 71.1°F (2012) | 7.0°F (2006) | 0.46 in (2011) |
| December 5 | 70.0°F (2017) | 9.0°F (2005) | 1.07 in (1999) |
| December 6 | 71.1°F (2001) | 10.0°F (2005) | 0.30 in (2014) |
| December 7 | 61.0°F (2001) | 3.0°F (2013) | 1.41 in (1998) |
| December 8 | 66.9°F (2023) | 3.0°F (2013) | 0.28 in (1997) |
| December 9 | 68.0°F (1991) | -6.0°F (2005) | 0.96 in (2008) |
| December 10 | 64.9°F (2020) | -6.0°F (2005) | 1.89 in (2003) |
| December 11 | 66.9°F (2020) | -0.9°F (1995) | 0.38 in (2007) |
| December 12 | 62.1°F (2015) | -2.0°F (2000) | 0.54 in (1991) |
| December 13 | 66.9°F (2015) | 0.0°F (2000) | 0.61 in (2015) |
| December 14 | 62.1°F (2015) | 1.9°F (2000) | 1.36 in (1992) |
| December 15 | 66.9°F (2021) | 3.0°F (2000) | 0.56 in (1992) |
| December 16 | 73.0°F (2021) | 3.0°F (2008) | 0.58 in (1992) |
| December 17 | 66.9°F (2006) | 0.0°F (2000) | 0.10 in (2017) |
| December 18 | 62.1°F (2002) | -9.0°F (2016) | 0.31 in (1995) |
| December 19 | 62.1°F (2002) | -8.0°F (2016) | 0.34 in (2008) |
| December 20 | 55.9°F (1994) | -4.0°F (2016) | 1.71 in (2011) |
| December 21 | 55.9°F (2015) | 1.0°F (2008) | 1.13 in (2006) |
| December 22 | 57.0°F (2020) | -2.0°F (2000) | 0.75 in (1997) |
| December 23 | 60.1°F (2020) | -9.0°F (2022) | 0.59 in (2009) |
| December 24 | 62.1°F (2015) | -8.0°F (2022) | 0.58 in (1997) |
| December 25 | 72.0°F (2021) | -4.0°F (2004) | 1.39 in (2023) |
| December 26 | 66.9°F (2019) | 1.9°F (2022) | 0.16 in (2016) |
| December 27 | 64.0°F (2008) | -4.0°F (2017) | 1.03 in (2015) |
| December 28 | 70.0°F (2025) | -4.0°F (2017) | 0.69 in (2015) |
| December 29 | 60.1°F (2025) | 8.1°F (2000) | 1.45 in (2019) |
| December 30 | 68.0°F (2022) | 3.0°F (2000) | 0.95 in (2020) |
| December 31 | 66.9°F (2004) | -0.9°F (2017) | 0.63 in (2018) |