December weather in West Branch, IA
The average temperature in West Branch in December is 26.0°F (17.5°F–34.4°F). Average precipitation: 1.60 inches. Average snowfall is 7.2 inches.
December is a winter month in West Branch, and is cooler than the annual average of 48.9°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 59m. For travel, December is cold.
Avg High
34.4°F
Avg Low
17.5°F
Precipitation
1.60 in
Snow
7.2 in
December records in West Branch
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1922) | -9.0°F (1893) | 1.56 in (1985) |
| December 2 | 66.0°F (1962) | -7.1°F (1893) | 2.06 in (1982) |
| December 3 | 68.0°F (2012) | -8.0°F (1929) | 0.72 in (1933) |
| December 4 | 71.1°F (1998) | -5.1°F (1893) | 1.30 in (1897) |
| December 5 | 66.9°F (1998) | -8.0°F (2005) | 1.32 in (1982) |
| December 6 | 62.1°F (1975) | -7.1°F (1917) | 0.59 in (1943) |
| December 7 | 57.9°F (1951) | -15.0°F (2005) | 1.02 in (1980) |
| December 8 | 64.9°F (1946) | -14.1°F (1917) | 0.71 in (1980) |
| December 9 | 64.9°F (1918) | -17.0°F (1958) | 0.66 in (2022) |
| December 10 | 59.0°F (1979) | -11.9°F (1917) | 1.06 in (2003) |
| December 11 | 61.0°F (2020) | -15.0°F (1972) | 1.07 in (2007) |
| December 12 | 61.0°F (1991) | -11.0°F (1917) | 1.02 in (2020) |
| December 13 | 62.1°F (2015) | -18.0°F (1903) | 1.10 in (1901) |
| December 14 | 62.1°F (2015) | -16.1°F (1901) | 1.48 in (2015) |
| December 15 | 59.0°F (1912) | -18.9°F (1917) | 2.86 in (1971) |
| December 16 | 73.9°F (2021) | -16.1°F (1951) | 1.17 in (1921) |
| December 17 | 59.0°F (1939) | -11.9°F (1914) | 0.55 in (1921) |
| December 18 | 63.0°F (1939) | -17.0°F (1985) | 0.62 in (2002) |
| December 19 | 57.0°F (1988) | -20.0°F (1985) | 0.93 in (1968) |
| December 20 | 55.9°F (1967) | -13.0°F (1901) | 0.96 in (1952) |
| December 21 | 57.9°F (1967) | -20.0°F (1963) | 1.31 in (2006) |
| December 22 | 61.0°F (1933) | -18.0°F (1963) | 0.58 in (2006) |
| December 23 | 57.9°F (1893) | -18.9°F (1989) | 1.20 in (2007) |
| December 24 | 59.0°F (1982) | -20.0°F (1983) | 1.80 in (1895) |
| December 25 | 60.1°F (1893) | -18.9°F (1921) | 0.72 in (2009) |
| December 26 | 66.0°F (1896) | -22.0°F (1914) | 1.56 in (1942) |
| December 27 | 62.1°F (1946) | -20.0°F (1914) | 1.25 in (1959) |
| December 28 | 66.9°F (1984) | -27.0°F (1924) | 0.86 in (1927) |
| December 29 | 66.0°F (1984) | -16.1°F (1917) | 0.96 in (2019) |
| December 30 | 64.0°F (2022) | -17.0°F (1909) | 1.04 in (1936) |
| December 31 | 60.1°F (1965) | -13.0°F (1976) | 0.86 in (1931) |