December weather in Mount Pleasant, TN
The average temperature in Mount Pleasant in December is 40.6°F (30.3°F–50.9°F). Average precipitation: 6.52 inches.
December is a winter month in Mount Pleasant, and is cooler than the annual average of 59.4°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 36m. For travel, December is a wet month.
Avg High
50.9°F
Avg Low
30.3°F
Precipitation
6.52 in
Daylight
9h 36m
December records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2006) | 9.0°F (1976) | 5.00 in (1996) |
| December 2 | 70.0°F (1956) | 14.0°F (1960) | 1.50 in (2001) |
| December 3 | 75.9°F (1956) | 14.0°F (1979) | 2.63 in (1990) |
| December 4 | 75.9°F (1982) | 14.0°F (1979) | 2.03 in (1983) |
| December 5 | 75.0°F (2013) | 19.0°F (1974) | 1.50 in (2004) |
| December 6 | 72.0°F (2013) | 15.1°F (2005) | 2.83 in (2013) |
| December 7 | 72.0°F (1980) | 9.0°F (1970) | 4.80 in (2004) |
| December 8 | 73.9°F (1978) | 10.0°F (1977) | 0.60 in (2005) |
| December 9 | 73.0°F (1978) | 12.0°F (2006) | 4.50 in (2004) |
| December 10 | 73.9°F (2007) | 10.0°F (1977) | 2.62 in (2008) |
| December 11 | 72.0°F (2021) | 10.0°F (1977) | 4.20 in (1998) |
| December 12 | 75.9°F (2007) | -0.9°F (1962) | 3.20 in (1998) |
| December 13 | 70.0°F (1972) | -6.0°F (1962) | 6.74 in (1956) |
| December 14 | 70.0°F (1975) | 8.1°F (2010) | 1.50 in (2000) |
| December 15 | 73.9°F (1984) | 9.0°F (1963) | 2.40 in (2005) |
| December 16 | 72.0°F (1984) | 1.9°F (1989) | 5.50 in (2000) |
| December 17 | 73.0°F (1984) | 3.0°F (1989) | 2.80 in (1996) |
| December 18 | 71.1°F (2006) | 7.0°F (1953) | 1.62 in (1967) |
| December 19 | 73.0°F (1976) | 1.9°F (1963) | 1.18 in (2025) |
| December 20 | 69.1°F (2008) | 1.9°F (1981) | 1.37 in (1957) |
| December 21 | 73.0°F (1967) | 1.0°F (1981) | 1.72 in (1990) |
| December 22 | 71.1°F (1967) | -9.9°F (1989) | 1.80 in (1990) |
| December 23 | 68.0°F (1954) | -9.9°F (1989) | 2.00 in (2017) |
| December 24 | 75.9°F (1964) | -8.0°F (1989) | 2.03 in (1979) |
| December 25 | 75.0°F (2025) | -6.0°F (1983) | 2.60 in (1987) |
| December 26 | 73.0°F (2021) | -5.1°F (1983) | 2.25 in (1982) |
| December 27 | 73.0°F (1971) | 5.0°F (1983) | 1.20 in (2011) |
| December 28 | 75.0°F (1982) | 10.9°F (1977) | 2.08 in (2004) |
| December 29 | 72.0°F (2025) | 9.0°F (1961) | 3.67 in (1969) |
| December 30 | 71.1°F (1996) | 1.9°F (1983) | 2.75 in (1969) |
| December 31 | 73.9°F (1984) | 1.0°F (1983) | 2.18 in (1989) |