December weather in Watertown, TN
The average temperature in Watertown in December is 40.9°F (31.1°F–50.7°F). Average precipitation: 5.16 inches.
December is a winter month in Watertown, and is cooler than the annual average of 59.1°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 33m. For travel, December is a wet month.
Avg High
50.7°F
Avg Low
31.1°F
Precipitation
5.16 in
Daylight
9h 33m
December records in Watertown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.0°F (1933) | 10.0°F (1976) | 2.66 in (1991) |
| December 2 | 75.0°F (1933) | 12.0°F (1924) | 0.82 in (2025) |
| December 3 | 77.0°F (1982) | 10.9°F (1979) | 3.24 in (1991) |
| December 4 | 77.0°F (1982) | 12.0°F (1979) | 3.68 in (1978) |
| December 5 | 79.0°F (1998) | 15.1°F (1969) | 2.00 in (1993) |
| December 6 | 73.0°F (2001) | 15.1°F (2024) | 2.75 in (1933) |
| December 7 | 79.0°F (1998) | 6.1°F (1977) | 1.90 in (1924) |
| December 8 | 75.0°F (1922) | 8.1°F (1977) | 3.00 in (1924) |
| December 9 | 73.0°F (1978) | 0.0°F (1917) | 3.82 in (1978) |
| December 10 | 71.1°F (1970) | -2.0°F (1917) | 3.00 in (2008) |
| December 11 | 73.0°F (1971) | 5.0°F (1995) | 1.58 in (2002) |
| December 12 | 75.9°F (2007) | -4.0°F (1962) | 1.44 in (1959) |
| December 13 | 70.0°F (1926) | -9.9°F (1962) | 2.50 in (1956) |
| December 14 | 70.0°F (1984) | -2.9°F (1917) | 1.87 in (1956) |
| December 15 | 75.9°F (1984) | -2.9°F (1914) | 2.03 in (1902) |
| December 16 | 75.0°F (1984) | 1.0°F (1914) | 1.52 in (1982) |
| December 17 | 75.9°F (1924) | 3.0°F (1989) | 2.30 in (2000) |
| December 18 | 72.0°F (2016) | 3.9°F (1932) | 1.40 in (2016) |
| December 19 | 68.0°F (1933) | 3.0°F (1963) | 1.65 in (1914) |
| December 20 | 72.0°F (2008) | 3.0°F (1981) | 2.50 in (1926) |
| December 21 | 72.0°F (1967) | 3.9°F (1981) | 3.00 in (1926) |
| December 22 | 73.9°F (2013) | -11.0°F (1989) | 1.90 in (1990) |
| December 23 | 72.0°F (1970) | -11.0°F (1989) | 2.45 in (2017) |
| December 24 | 75.0°F (1964) | -8.0°F (1989) | 3.02 in (1926) |
| December 25 | 73.0°F (1964) | -5.1°F (1983) | 2.40 in (1987) |
| December 26 | 73.9°F (2016) | -5.1°F (1983) | 3.17 in (1911) |
| December 27 | 72.0°F (2016) | 1.9°F (1983) | 0.87 in (1932) |
| December 28 | 75.0°F (1982) | 1.9°F (1925) | 1.73 in (1966) |
| December 29 | 72.0°F (2019) | 6.1°F (1925) | 2.26 in (1954) |
| December 30 | 70.0°F (1931) | -6.0°F (1917) | 2.61 in (1969) |
| December 31 | 71.1°F (1990) | 1.0°F (1983) | 2.10 in (1931) |