December weather in Plymouth, IN
The average temperature in Plymouth in December is 29.8°F (23.0°F–36.7°F). Average precipitation: 2.60 inches. Average snowfall is 11.3 inches.
December is a winter month in Plymouth, and is cooler than the annual average of 50°F. Daily temperatures swing about 13.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
36.7°F
Avg Low
23.0°F
Precipitation
2.60 in
Snow
11.3 in
December records in Plymouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1998) | 12.0°F (2002) | 1.44 in (2006) |
| December 2 | 59.0°F (2012) | 12.0°F (2002) | 0.77 in (2018) |
| December 3 | 62.1°F (1998) | 8.1°F (2002) | 0.53 in (1991) |
| December 4 | 66.0°F (1998) | 3.0°F (1991) | 0.25 in (2011) |
| December 5 | 63.0°F (1998) | 3.9°F (2025) | 0.90 in (1999) |
| December 6 | 68.0°F (2001) | 1.0°F (2005) | 0.61 in (1999) |
| December 7 | 66.0°F (1998) | 1.0°F (2005) | 1.56 in (1994) |
| December 8 | 61.0°F (1991) | -0.9°F (2005) | 0.55 in (2004) |
| December 9 | 60.1°F (1991) | -5.1°F (1995) | 0.45 in (2009) |
| December 10 | 57.9°F (2023) | -5.1°F (1995) | 0.74 in (2008) |
| December 11 | 59.0°F (2021) | 0.0°F (1995) | 0.80 in (2021) |
| December 12 | 57.9°F (1991) | -4.0°F (2013) | 2.02 in (2007) |
| December 13 | 64.0°F (2015) | -6.0°F (2000) | 0.81 in (2006) |
| December 14 | 62.1°F (2015) | -4.0°F (2000) | 0.58 in (1999) |
| December 15 | 57.9°F (2015) | -4.0°F (1989) | 1.76 in (2011) |
| December 16 | 63.0°F (2021) | -2.9°F (1989) | 0.42 in (2007) |
| December 17 | 59.0°F (2021) | -11.0°F (1989) | 0.44 in (1994) |
| December 18 | 46.9°F (2006) | -2.0°F (2000) | 0.38 in (2021) |
| December 19 | 55.0°F (2002) | -14.1°F (2016) | 0.74 in (2002) |
| December 20 | 52.0°F (2011) | -16.1°F (2016) | 0.77 in (2008) |
| December 21 | 55.0°F (1990) | -11.0°F (1989) | 0.76 in (2012) |
| December 22 | 55.0°F (1990) | -17.0°F (1989) | 1.12 in (2013) |
| December 23 | 55.0°F (2006) | -11.0°F (1989) | 1.23 in (2007) |
| December 24 | 62.1°F (2015) | -9.9°F (2022) | 0.77 in (2015) |
| December 25 | 57.9°F (2021) | -11.0°F (2000) | 0.74 in (1997) |
| December 26 | 59.0°F (2019) | -11.9°F (2000) | 0.13 in (2016) |
| December 27 | 63.0°F (2019) | -4.0°F (2017) | 0.69 in (2015) |
| December 28 | 61.0°F (2008) | -6.0°F (2017) | 0.60 in (2008) |
| December 29 | 62.1°F (2025) | -4.0°F (2017) | 1.68 in (2015) |
| December 30 | 60.1°F (2019) | 3.0°F (2001) | 2.21 in (1990) |
| December 31 | 57.0°F (1992) | -2.9°F (2017) | 1.62 in (1992) |