December weather in Clinton, IA
The average temperature in Clinton in December is 27.5°F (20.5°F–34.6°F). Average precipitation: 1.86 inches. Average snowfall is 7.9 inches.
December is a winter month in Clinton, and is cooler than the annual average of 50.2°F. Daily temperatures swing about 14.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
34.6°F
Avg Low
20.5°F
Precipitation
1.86 in
Snow
7.9 in
December records in Clinton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1970) | -11.0°F (1893) | 1.38 in (1985) |
| December 2 | 64.9°F (1973) | -2.0°F (1942) | 1.70 in (1982) |
| December 3 | 68.0°F (1970) | -9.0°F (1940) | 1.88 in (1990) |
| December 4 | 70.0°F (1998) | -6.0°F (1893) | 1.46 in (1973) |
| December 5 | 68.0°F (2001) | -4.0°F (2005) | 1.40 in (1909) |
| December 6 | 60.1°F (1951) | -8.0°F (1977) | 0.96 in (1998) |
| December 7 | 64.0°F (1916) | -9.9°F (2005) | 0.79 in (1980) |
| December 8 | 64.0°F (1946) | -11.9°F (1902) | 0.86 in (1980) |
| December 9 | 60.1°F (1946) | -20.0°F (1958) | 0.75 in (2022) |
| December 10 | 59.0°F (1911) | -23.1°F (1919) | 1.13 in (2003) |
| December 11 | 66.0°F (1949) | -18.0°F (1972) | 1.25 in (2021) |
| December 12 | 60.1°F (1991) | -11.9°F (1958) | 2.12 in (1909) |
| December 13 | 62.1°F (1975) | -20.0°F (1903) | 1.13 in (1928) |
| December 14 | 62.1°F (1975) | -13.0°F (1919) | 0.97 in (2015) |
| December 15 | 73.9°F (2021) | -18.9°F (1917) | 2.05 in (1971) |
| December 16 | 66.0°F (2021) | -15.0°F (1932) | 0.92 in (1921) |
| December 17 | 55.9°F (1939) | -13.0°F (1932) | 1.17 in (1921) |
| December 18 | 60.1°F (1939) | -15.0°F (1985) | 1.88 in (1957) |
| December 19 | 57.0°F (1918) | -18.9°F (1983) | 1.03 in (1968) |
| December 20 | 57.0°F (1967) | -20.0°F (1963) | 1.59 in (2012) |
| December 21 | 59.0°F (1967) | -27.0°F (1963) | 1.17 in (2006) |
| December 22 | 57.0°F (1957) | -20.0°F (1963) | 0.57 in (2023) |
| December 23 | 61.0°F (2015) | -22.0°F (1989) | 0.87 in (2015) |
| December 24 | 61.0°F (1893) | -20.9°F (1983) | 1.88 in (1965) |
| December 25 | 62.1°F (2019) | -18.9°F (2000) | 1.15 in (1909) |
| December 26 | 57.0°F (1936) | -23.1°F (1914) | 1.85 in (1942) |
| December 27 | 59.0°F (1946) | -18.9°F (1950) | 2.25 in (1904) |
| December 28 | 66.0°F (1984) | -25.1°F (1924) | 1.13 in (2015) |
| December 29 | 64.9°F (1984) | -11.9°F (1917) | 1.17 in (1954) |
| December 30 | 59.0°F (1929) | -13.0°F (1909) | 1.37 in (1936) |
| December 31 | 60.1°F (1965) | -17.0°F (1976) | 1.56 in (1906) |