December weather in West Chester, IA
The average temperature in West Chester in December is 26.7°F (17.9°F–35.6°F). Average precipitation: 1.71 inches. Average snowfall is 4.7 inches.
December is a winter month in West Chester, and is cooler than the annual average of 49.3°F. Daily temperatures swing about 17.7°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
35.6°F
Avg Low
17.9°F
Precipitation
1.71 in
Snow
4.7 in
December records in West Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1970) | -7.1°F (1893) | 0.97 in (1985) |
| December 2 | 68.0°F (1973) | -6.0°F (1929) | 2.06 in (1982) |
| December 3 | 66.9°F (1970) | -8.0°F (1929) | 0.97 in (1990) |
| December 4 | 71.1°F (1998) | -2.9°F (1991) | 1.34 in (1947) |
| December 5 | 64.9°F (1975) | -6.0°F (2005) | 1.23 in (1930) |
| December 6 | 66.9°F (1951) | -8.0°F (1917) | 0.53 in (1953) |
| December 7 | 64.0°F (1916) | -13.0°F (2005) | 0.96 in (1994) |
| December 8 | 66.0°F (1946) | -15.0°F (1917) | 1.86 in (1980) |
| December 9 | 66.0°F (1918) | -14.1°F (1958) | 0.73 in (1911) |
| December 10 | 59.0°F (2020) | -20.0°F (1919) | 1.52 in (2003) |
| December 11 | 66.9°F (1949) | -11.0°F (1917) | 1.43 in (1899) |
| December 12 | 64.0°F (1991) | -13.0°F (2000) | 1.18 in (2020) |
| December 13 | 62.1°F (1975) | -18.9°F (1903) | 1.38 in (1901) |
| December 14 | 66.9°F (1908) | -11.9°F (1903) | 1.28 in (2015) |
| December 15 | 59.0°F (2006) | -16.1°F (1989) | 3.17 in (1971) |
| December 16 | 73.9°F (2021) | -16.1°F (1932) | 0.86 in (1992) |
| December 17 | 60.1°F (2006) | -9.0°F (1932) | 0.96 in (1921) |
| December 18 | 64.0°F (1939) | -18.0°F (1985) | 0.41 in (1951) |
| December 19 | 59.0°F (1988) | -24.0°F (1983) | 0.82 in (2008) |
| December 20 | 57.9°F (1894) | -11.9°F (2000) | 1.56 in (1957) |
| December 21 | 59.0°F (1967) | -20.0°F (1989) | 1.60 in (2006) |
| December 22 | 64.0°F (1933) | -18.0°F (1989) | 0.46 in (2013) |
| December 23 | 60.1°F (1933) | -23.1°F (1989) | 0.95 in (1941) |
| December 24 | 62.1°F (1893) | -18.0°F (1983) | 1.28 in (1965) |
| December 25 | 64.0°F (2021) | -18.9°F (2000) | 1.25 in (1895) |
| December 26 | 62.1°F (2019) | -18.9°F (1914) | 0.65 in (1936) |
| December 27 | 66.0°F (1946) | -14.1°F (1925) | 1.70 in (1942) |
| December 28 | 69.1°F (1984) | -25.1°F (1924) | 0.99 in (1927) |
| December 29 | 55.9°F (2002) | -17.0°F (1917) | 1.19 in (2015) |
| December 30 | 64.0°F (2022) | -13.0°F (1909) | 1.18 in (1906) |
| December 31 | 63.0°F (1965) | -14.1°F (1968) | 1.10 in (1931) |