December weather in Millersburg, IN
The average temperature in Millersburg in December is 30.3°F (24.0°F–36.6°F). Average precipitation: 1.87 inches.
December is a winter month in Millersburg, and is cooler than the annual average of 50.1°F. Daily temperatures swing about 12.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 0m. For travel, December is cold.
Avg High
36.6°F
Avg Low
24.0°F
Precipitation
1.87 in
Daylight
9h 0m
December records in Millersburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (2012) | 12.0°F (2025) | 0.67 in (2006) |
| December 2 | 61.0°F (1998) | 12.0°F (2002) | 0.38 in (2007) |
| December 3 | 64.9°F (1998) | -4.0°F (2002) | 0.71 in (1951) |
| December 4 | 64.0°F (2012) | 1.0°F (2002) | 0.44 in (2012) |
| December 5 | 69.1°F (2001) | -4.0°F (2025) | 0.40 in (1948) |
| December 6 | 66.0°F (1998) | 1.0°F (2005) | 0.43 in (1998) |
| December 7 | 59.0°F (2004) | -2.0°F (2005) | 0.72 in (2004) |
| December 8 | 57.0°F (2023) | -4.0°F (2005) | 0.60 in (1956) |
| December 9 | 60.1°F (2023) | 0.0°F (2000) | 0.74 in (2008) |
| December 10 | 57.9°F (2021) | 3.2°F (2013) | 0.35 in (2021) |
| December 11 | 61.0°F (2021) | 9.1°F (2013) | 1.44 in (2007) |
| December 12 | 64.0°F (2015) | -2.0°F (2000) | 0.73 in (2020) |
| December 13 | 63.0°F (2015) | -7.1°F (2000) | 0.30 in (2009) |
| December 14 | 61.0°F (2015) | -3.8°F (2016) | 1.38 in (2011) |
| December 15 | 62.1°F (2021) | 1.2°F (2016) | 1.20 in (1948) |
| December 16 | 60.1°F (2021) | 4.1°F (2016) | 0.40 in (2014) |
| December 17 | 55.9°F (2006) | 0.0°F (2000) | 0.36 in (2001) |
| December 18 | 54.0°F (2002) | -3.8°F (2016) | 0.43 in (2002) |
| December 19 | 52.0°F (2002) | -11.7°F (2016) | 1.02 in (2008) |
| December 20 | 51.1°F (2012) | -4.0°F (2000) | 0.99 in (2012) |
| December 21 | 52.0°F (2015) | -5.1°F (2000) | 1.54 in (1949) |
| December 22 | 55.0°F (2006) | -11.0°F (2000) | 0.45 in (1949) |
| December 23 | 63.0°F (2015) | -15.0°F (2000) | 0.71 in (2015) |
| December 24 | 57.0°F (2015) | -6.0°F (2004) | 0.54 in (2014) |
| December 25 | 61.0°F (2023) | -6.0°F (2000) | 0.65 in (2009) |
| December 26 | 62.1°F (2019) | -3.8°F (2017) | 0.50 in (1949) |
| December 27 | 62.1°F (2008) | -9.0°F (2004) | 0.57 in (2008) |
| December 28 | 63.0°F (2025) | -11.9°F (2000) | 0.97 in (2015) |
| December 29 | 61.0°F (2019) | 9.0°F (2000) | 1.24 in (2024) |
| December 30 | 55.9°F (2022) | -3.8°F (2017) | 0.54 in (2022) |
| December 31 | 55.9°F (2010) | -4.9°F (2017) | 1.02 in (2018) |