December weather in Plymouth, IA
The average temperature in Plymouth in December is 22.0°F (14.2°F–29.9°F). Average precipitation: 1.25 inches.
December is a winter month in Plymouth, and is cooler than the annual average of 45.6°F. Daily temperatures swing about 15.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
29.9°F
Avg Low
14.2°F
Precipitation
1.25 in
Daylight
8h 48m
December records in Plymouth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1899) | -2.9°F (1919) | 0.55 in (1985) |
| December 2 | 64.9°F (1998) | -16.1°F (1919) | 1.22 in (2007) |
| December 3 | 63.0°F (1998) | -16.1°F (1940) | 0.62 in (1953) |
| December 4 | 62.1°F (2012) | -9.0°F (1898) | 0.77 in (1947) |
| December 5 | 66.0°F (2017) | -9.0°F (1991) | 0.86 in (1924) |
| December 6 | 62.1°F (1939) | -11.9°F (1972) | 0.70 in (1982) |
| December 7 | 53.1°F (1916) | -18.0°F (1976) | 0.90 in (1926) |
| December 8 | 64.9°F (1946) | -18.0°F (1976) | 0.25 in (1969) |
| December 9 | 63.0°F (1939) | -20.9°F (1958) | 0.65 in (2009) |
| December 10 | 59.0°F (1979) | -23.1°F (1919) | 1.20 in (1911) |
| December 11 | 57.0°F (1946) | -17.0°F (1934) | 0.54 in (1931) |
| December 12 | 57.9°F (1968) | -16.1°F (1932) | 1.00 in (2010) |
| December 13 | 53.1°F (1921) | -22.0°F (1917) | 1.27 in (1991) |
| December 14 | 52.0°F (1998) | -17.0°F (1926) | 1.16 in (2015) |
| December 15 | 54.0°F (1998) | -20.0°F (1922) | 0.88 in (1894) |
| December 16 | 68.0°F (2021) | -20.9°F (1932) | 0.55 in (1992) |
| December 17 | 57.0°F (1939) | -17.0°F (1914) | 0.33 in (2016) |
| December 18 | 61.0°F (1923) | -24.0°F (1922) | 0.42 in (1990) |
| December 19 | 51.1°F (2011) | -26.0°F (1983) | 0.57 in (2008) |
| December 20 | 50.0°F (1918) | -24.0°F (1983) | 0.44 in (1988) |
| December 21 | 55.0°F (1918) | -22.0°F (1989) | 0.90 in (1920) |
| December 22 | 55.0°F (1941) | -23.1°F (1989) | 0.45 in (1968) |
| December 23 | 50.0°F (1936) | -24.0°F (1983) | 0.55 in (1979) |
| December 24 | 46.9°F (2020) | -23.1°F (1990) | 0.75 in (1978) |
| December 25 | 54.0°F (2023) | -24.0°F (2000) | 0.70 in (2009) |
| December 26 | 55.0°F (1936) | -26.0°F (1914) | 0.90 in (1911) |
| December 27 | 48.9°F (1959) | -26.0°F (1950) | 1.00 in (1904) |
| December 28 | 57.9°F (1984) | -18.9°F (1911) | 1.50 in (1982) |
| December 29 | 52.0°F (1984) | -20.9°F (1917) | 1.01 in (2019) |
| December 30 | 51.1°F (1929) | -18.0°F (1976) | 0.75 in (1923) |
| December 31 | 55.0°F (1965) | -23.1°F (1976) | 1.01 in (2006) |