December weather in Thurmont, MD
The average temperature in Thurmont in December is 35.6°F (28.2°F–43.0°F). Average precipitation: 3.49 inches.
December is a winter month in Thurmont, and is cooler than the annual average of 53.4°F. Daily temperatures swing about 14.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 13m. For travel, December is cold.
Avg High
43.0°F
Avg Low
28.2°F
Precipitation
3.49 in
Daylight
9h 13m
December records in Thurmont
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (2006) | 10.9°F (1976) | 1.05 in (1996) |
| December 2 | 64.0°F (1998) | 12.9°F (1971) | 2.36 in (1974) |
| December 3 | 69.1°F (1998) | 1.9°F (1976) | 2.11 in (1986) |
| December 4 | 72.0°F (1982) | 10.9°F (1989) | 0.81 in (1983) |
| December 5 | 75.0°F (2001) | 14.0°F (1991) | 1.42 in (1994) |
| December 6 | 73.0°F (1998) | 12.0°F (1969) | 0.94 in (1972) |
| December 7 | 72.0°F (1998) | 9.0°F (1977) | 1.32 in (1976) |
| December 8 | 64.9°F (1980) | 15.1°F (1977) | 1.20 in (1974) |
| December 9 | 62.1°F (1991) | 10.0°F (1989) | 1.15 in (1978) |
| December 10 | 66.0°F (1999) | 3.9°F (1995) | 1.74 in (1992) |
| December 11 | 63.0°F (1979) | 3.0°F (1968) | 3.43 in (1992) |
| December 12 | 64.9°F (1979) | -0.9°F (1988) | 0.88 in (1983) |
| December 13 | 64.0°F (1984) | 3.0°F (1988) | 2.13 in (1983) |
| December 14 | 60.1°F (2006) | 8.1°F (2005) | 1.42 in (2000) |
| December 15 | 61.0°F (1984) | 12.0°F (1988) | 1.02 in (2003) |
| December 16 | 63.0°F (1971) | 6.1°F (1989) | 1.76 in (1974) |
| December 17 | 64.0°F (1984) | 3.9°F (1989) | 1.18 in (1970) |
| December 18 | 64.9°F (2006) | 3.0°F (1989) | 1.34 in (1977) |
| December 19 | 62.1°F (1984) | 5.0°F (1985) | 0.91 in (1995) |
| December 20 | 55.9°F (1970) | 1.0°F (2004) | 1.30 in (1995) |
| December 21 | 55.9°F (1998) | 5.0°F (1980) | 1.32 in (1973) |
| December 22 | 57.9°F (1990) | -5.1°F (1989) | 1.38 in (1972) |
| December 23 | 59.0°F (1990) | -0.9°F (1989) | 0.90 in (2004) |
| December 24 | 57.0°F (1982) | 0.0°F (1983) | 1.11 in (1986) |
| December 25 | 59.0°F (1982) | -11.0°F (1983) | 1.61 in (1979) |
| December 26 | 61.0°F (1982) | -5.1°F (1983) | 1.77 in (1969) |
| December 27 | 62.1°F (1971) | 1.9°F (1989) | 0.76 in (2011) |
| December 28 | 64.9°F (1984) | 7.0°F (1977) | 1.09 in (1983) |
| December 29 | 71.1°F (1984) | 9.0°F (1977) | 1.03 in (1991) |
| December 30 | 68.0°F (1984) | 1.9°F (1976) | 2.90 in (1969) |
| December 31 | 62.1°F (1992) | 3.0°F (1976) | 0.89 in (1989) |