December weather in Union Bridge, MD
The average temperature in Union Bridge in December is 35.7°F (27.1°F–44.2°F). Average precipitation: 3.76 inches. Average snowfall is 4.5 inches.
December is a winter month in Union Bridge, and is cooler than the annual average of 53°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 13m. For travel, December is cold.
Avg High
44.2°F
Avg Low
27.1°F
Precipitation
3.76 in
Snow
4.5 in
December records in Union Bridge
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (2001) | 10.0°F (1976) | 1.20 in (1977) |
| December 2 | 69.1°F (2014) | 15.1°F (1971) | 1.53 in (1974) |
| December 3 | 73.0°F (1998) | 3.0°F (1983) | 1.40 in (1990) |
| December 4 | 77.0°F (1982) | 10.0°F (1966) | 3.20 in (1993) |
| December 5 | 75.9°F (2001) | 10.0°F (1976) | 1.50 in (1994) |
| December 6 | 75.9°F (1998) | 10.0°F (2007) | 1.45 in (1962) |
| December 7 | 75.0°F (1998) | -7.1°F (2002) | 2.22 in (2013) |
| December 8 | 69.1°F (1956) | 8.1°F (2002) | 1.51 in (2011) |
| December 9 | 71.1°F (1966) | 5.0°F (1989) | 1.51 in (2009) |
| December 10 | 68.0°F (1966) | 3.9°F (1989) | 1.30 in (2004) |
| December 11 | 66.0°F (1966) | 1.0°F (1968) | 1.90 in (1992) |
| December 12 | 66.0°F (1979) | 6.1°F (1962) | 2.51 in (2008) |
| December 13 | 66.9°F (2015) | 3.0°F (1988) | 2.25 in (1996) |
| December 14 | 68.0°F (2015) | 3.9°F (1989) | 1.38 in (1999) |
| December 15 | 66.0°F (2015) | 1.0°F (1960) | 0.91 in (1972) |
| December 16 | 64.9°F (1971) | 3.9°F (1968) | 1.75 in (1974) |
| December 17 | 64.0°F (1984) | 3.0°F (1989) | 1.73 in (2000) |
| December 18 | 64.0°F (1984) | 1.9°F (1960) | 2.52 in (2023) |
| December 19 | 62.1°F (1990) | -0.9°F (1989) | 0.70 in (1977) |
| December 20 | 61.0°F (1970) | -0.9°F (1960) | 1.20 in (2009) |
| December 21 | 60.1°F (2018) | -2.0°F (1981) | 1.33 in (2012) |
| December 22 | 66.0°F (2018) | 1.0°F (1989) | 1.40 in (1972) |
| December 23 | 68.0°F (2013) | -18.9°F (1960) | 2.33 in (2022) |
| December 24 | 64.9°F (1990) | -2.0°F (1989) | 1.11 in (2015) |
| December 25 | 70.0°F (2015) | -4.0°F (1983) | 2.36 in (2020) |
| December 26 | 64.0°F (1964) | -2.0°F (1980) | 2.10 in (1973) |
| December 27 | 63.0°F (1971) | -0.9°F (1989) | 0.77 in (1964) |
| December 28 | 66.0°F (1984) | -5.1°F (1960) | 1.00 in (1990) |
| December 29 | 75.9°F (1984) | 1.9°F (1961) | 1.15 in (1991) |
| December 30 | 71.1°F (1984) | 1.9°F (1976) | 0.88 in (2019) |
| December 31 | 66.0°F (1992) | -9.9°F (1963) | 1.00 in (1989) |