December weather in Falls Church, VA
The average temperature in Falls Church in December is 38.3°F (29.6°F–46.9°F). Average precipitation: 3.81 inches. Average snowfall is 0.8 inches.
December is a winter month in Falls Church, and is cooler than the annual average of 56.2°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 17m. For travel, December is cool.
Avg High
46.9°F
Avg Low
29.6°F
Precipitation
3.81 in
Snow
0.8 in
December records in Falls Church
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.0°F (2001) | 12.0°F (1976) | 1.24 in (1996) |
| December 2 | 75.0°F (2006) | 12.0°F (1967) | 2.14 in (1974) |
| December 3 | 73.9°F (1998) | 9.0°F (1992) | 1.45 in (1967) |
| December 4 | 75.9°F (1982) | 12.9°F (1966) | 1.17 in (1948) |
| December 5 | 75.9°F (2001) | 8.1°F (1992) | 2.00 in (1993) |
| December 6 | 82.0°F (1998) | 15.1°F (1992) | 1.14 in (1962) |
| December 7 | 81.0°F (1998) | 14.0°F (1992) | 1.50 in (2013) |
| December 8 | 73.0°F (1966) | 10.0°F (2002) | 1.67 in (2011) |
| December 9 | 72.0°F (1978) | 12.0°F (1989) | 1.61 in (2009) |
| December 10 | 71.1°F (1966) | 3.9°F (1992) | 1.20 in (2013) |
| December 11 | 66.9°F (1971) | 3.0°F (1995) | 1.71 in (1992) |
| December 12 | 71.1°F (1979) | 10.0°F (1957) | 1.72 in (2008) |
| December 13 | 71.1°F (1984) | 7.0°F (1988) | 2.20 in (1989) |
| December 14 | 71.1°F (2015) | 8.1°F (1962) | 1.18 in (1953) |
| December 15 | 70.0°F (2015) | 9.0°F (1989) | 0.91 in (1948) |
| December 16 | 73.9°F (1971) | 3.9°F (1989) | 2.00 in (2018) |
| December 17 | 71.1°F (1984) | 3.9°F (1951) | 1.35 in (2020) |
| December 18 | 72.0°F (1984) | 6.1°F (1989) | 2.36 in (1977) |
| December 19 | 75.9°F (2006) | 1.0°F (1989) | 0.71 in (1977) |
| December 20 | 64.0°F (1988) | 8.1°F (1983) | 1.85 in (1957) |
| December 21 | 63.0°F (2018) | 5.0°F (1989) | 1.55 in (2012) |
| December 22 | 72.0°F (2013) | -2.0°F (1989) | 1.45 in (1969) |
| December 23 | 72.0°F (2013) | 0.0°F (1960) | 1.99 in (2022) |
| December 24 | 66.9°F (1982) | 3.9°F (1989) | 4.31 in (1994) |
| December 25 | 72.0°F (1964) | -0.9°F (1983) | 2.41 in (2020) |
| December 26 | 70.0°F (1964) | 3.0°F (1983) | 1.79 in (1957) |
| December 27 | 73.0°F (1971) | 3.0°F (1989) | 1.80 in (2012) |
| December 28 | 75.0°F (1984) | 10.0°F (1955) | 1.18 in (1990) |
| December 29 | 77.0°F (1984) | 9.0°F (1983) | 0.97 in (1991) |
| December 30 | 75.0°F (1984) | 8.1°F (1976) | 1.40 in (1948) |
| December 31 | 75.9°F (1992) | 3.9°F (1963) | 0.83 in (1969) |