December weather in Concord, NH
The average temperature in Concord in December is 28.3°F (19.5°F–37.1°F). Average precipitation: 3.70 inches. Average snowfall is 14.3 inches.
December is a winter month in Concord, and is cooler than the annual average of 47.2°F. Daily temperatures swing about 17.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 8h 49m. For travel, December is cold.
Avg High
37.1°F
Avg Low
19.5°F
Precipitation
3.70 in
Snow
14.3 in
December records in Concord
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (2001) | -0.9°F (1976) | 1.77 in (2006) |
| December 2 | 63.0°F (1998) | -2.9°F (1967) | 1.40 in (1942) |
| December 3 | 64.9°F (2009) | -11.0°F (1940) | 1.21 in (1967) |
| December 4 | 68.0°F (1982) | -20.9°F (1940) | 1.53 in (1990) |
| December 5 | 62.1°F (2001) | -7.1°F (1989) | 1.48 in (2020) |
| December 6 | 72.0°F (2001) | -4.0°F (1976) | 2.09 in (1945) |
| December 7 | 73.0°F (1998) | -5.1°F (1964) | 1.52 in (2011) |
| December 8 | 57.9°F (1951) | -11.0°F (1964) | 1.40 in (1974) |
| December 9 | 55.0°F (1973) | -9.0°F (1949) | 1.08 in (2014) |
| December 10 | 60.1°F (1946) | -13.0°F (1949) | 1.80 in (1957) |
| December 11 | 61.0°F (1966) | -15.0°F (1977) | 1.74 in (1952) |
| December 12 | 66.9°F (1979) | -15.0°F (1977) | 1.63 in (1952) |
| December 13 | 59.0°F (1984) | -8.0°F (1988) | 1.26 in (1983) |
| December 14 | 57.0°F (2006) | -14.1°F (1976) | 1.60 in (2019) |
| December 15 | 60.1°F (2008) | -11.0°F (2005) | 1.25 in (1968) |
| December 16 | 55.9°F (1982) | -15.0°F (1951) | 1.10 in (1960) |
| December 17 | 59.0°F (2000) | -22.0°F (1951) | 1.89 in (2020) |
| December 18 | 62.1°F (2023) | -9.9°F (1969) | 2.73 in (2023) |
| December 19 | 55.9°F (2025) | -14.1°F (1942) | 0.93 in (1986) |
| December 20 | 60.1°F (1957) | -16.1°F (1942) | 0.84 in (1939) |
| December 21 | 62.1°F (2018) | -20.9°F (1980) | 1.45 in (1973) |
| December 22 | 63.0°F (1949) | -17.0°F (1980) | 1.12 in (1983) |
| December 23 | 66.0°F (1990) | -9.0°F (1960) | 1.45 in (2022) |
| December 24 | 54.0°F (2003) | -20.0°F (1989) | 1.86 in (1994) |
| December 25 | 62.1°F (2015) | -18.0°F (1975) | 1.61 in (2020) |
| December 26 | 60.1°F (1982) | -18.9°F (1980) | 1.65 in (1969) |
| December 27 | 57.9°F (1949) | -8.9°F (2017) | 2.01 in (1969) |
| December 28 | 62.1°F (1982) | -18.9°F (1951) | 1.27 in (1946) |
| December 29 | 64.9°F (1984) | -10.8°F (2017) | 1.53 in (2025) |
| December 30 | 59.0°F (2024) | -9.0°F (1962) | 1.91 in (1942) |
| December 31 | 61.0°F (1965) | -20.0°F (1963) | 1.13 in (1972) |