December weather in Iowa Falls, IA
The average temperature in Iowa Falls in December is 23.2°F (14.9°F–31.5°F). Average precipitation: 1.54 inches. Average snowfall is 6.1 inches.
December is a winter month in Iowa Falls, and is cooler than the annual average of 46.7°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 54m. For travel, December is cold.
Avg High
31.5°F
Avg Low
14.9°F
Precipitation
1.54 in
Snow
6.1 in
December records in Iowa Falls
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1962) | -14.1°F (1893) | 1.10 in (1985) |
| December 2 | 64.0°F (1998) | -9.9°F (1919) | 0.96 in (2018) |
| December 3 | 62.1°F (1962) | -20.0°F (1919) | 1.20 in (1897) |
| December 4 | 60.1°F (2017) | -11.9°F (2025) | 0.91 in (1924) |
| December 5 | 66.9°F (2017) | -13.0°F (2025) | 1.01 in (1982) |
| December 6 | 64.0°F (2001) | -15.0°F (1917) | 1.04 in (1987) |
| December 7 | 57.9°F (1894) | -14.1°F (1972) | 0.89 in (1994) |
| December 8 | 66.9°F (1946) | -20.0°F (1917) | 0.35 in (1914) |
| December 9 | 63.0°F (1946) | -20.9°F (1958) | 0.92 in (2009) |
| December 10 | 57.9°F (1979) | -31.0°F (1919) | 0.94 in (1911) |
| December 11 | 57.9°F (1946) | -15.0°F (1917) | 0.95 in (1931) |
| December 12 | 62.1°F (1968) | -18.0°F (1932) | 0.90 in (1899) |
| December 13 | 55.9°F (1921) | -20.9°F (1917) | 0.97 in (2015) |
| December 14 | 51.1°F (1910) | -22.0°F (1901) | 2.11 in (2015) |
| December 15 | 55.0°F (1998) | -20.9°F (1917) | 0.63 in (1992) |
| December 16 | 70.0°F (2021) | -22.0°F (1932) | 0.69 in (1921) |
| December 17 | 61.0°F (1939) | -17.0°F (1914) | 0.70 in (1904) |
| December 18 | 57.9°F (1962) | -20.0°F (1983) | 0.30 in (1930) |
| December 19 | 52.0°F (1894) | -22.0°F (1983) | 0.70 in (1968) |
| December 20 | 53.1°F (1894) | -18.0°F (1983) | 0.53 in (1991) |
| December 21 | 59.0°F (1941) | -20.9°F (1963) | 0.80 in (2006) |
| December 22 | 55.0°F (1941) | -23.1°F (1963) | 0.50 in (1968) |
| December 23 | 50.0°F (2023) | -22.0°F (1989) | 0.86 in (2014) |
| December 24 | 52.0°F (1965) | -20.9°F (1989) | 0.96 in (1893) |
| December 25 | 55.0°F (2023) | -23.1°F (2000) | 0.91 in (2009) |
| December 26 | 57.0°F (2019) | -31.0°F (1914) | 0.54 in (1941) |
| December 27 | 55.0°F (1936) | -25.1°F (1914) | 1.33 in (2018) |
| December 28 | 55.0°F (1912) | -23.1°F (1924) | 1.86 in (1982) |
| December 29 | 55.9°F (2002) | -20.0°F (1917) | 1.07 in (2015) |
| December 30 | 57.0°F (1929) | -18.9°F (1917) | 1.25 in (1931) |
| December 31 | 57.0°F (2004) | -20.0°F (1976) | 1.25 in (2006) |