December weather in Patterson, IA
The average temperature in Patterson in December is 25.5°F (15.9°F–35.1°F). Average precipitation: 1.23 inches. Average snowfall is 5.9 inches.
December is a winter month in Patterson, and is cooler than the annual average of 48.1°F. Daily temperatures swing about 19.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
35.1°F
Avg Low
15.9°F
Precipitation
1.23 in
Snow
5.9 in
December records in Patterson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (1962) | -9.0°F (1893) | 1.20 in (1975) |
| December 2 | 64.9°F (1973) | -2.9°F (1985) | 1.06 in (2007) |
| December 3 | 63.0°F (1962) | -9.9°F (1919) | 1.24 in (1990) |
| December 4 | 64.9°F (2012) | -8.0°F (2025) | 1.35 in (1947) |
| December 5 | 66.0°F (1998) | -9.0°F (2025) | 0.77 in (1973) |
| December 6 | 69.1°F (1939) | -11.0°F (1917) | 0.87 in (1913) |
| December 7 | 64.9°F (1894) | -15.0°F (2005) | 0.82 in (1994) |
| December 8 | 64.0°F (1946) | -20.0°F (1917) | 1.12 in (1980) |
| December 9 | 64.9°F (1946) | -17.0°F (1958) | 0.56 in (1907) |
| December 10 | 60.1°F (1979) | -20.9°F (1919) | 0.77 in (1970) |
| December 11 | 63.0°F (1965) | -11.0°F (2009) | 0.69 in (2007) |
| December 12 | 64.9°F (1968) | -14.1°F (1962) | 0.80 in (1972) |
| December 13 | 64.0°F (1921) | -17.0°F (1961) | 0.85 in (1928) |
| December 14 | 59.0°F (1975) | -18.0°F (1901) | 0.84 in (1992) |
| December 15 | 61.0°F (1939) | -17.0°F (1951) | 0.61 in (1992) |
| December 16 | 62.1°F (2002) | -17.0°F (1951) | 0.50 in (1940) |
| December 17 | 64.9°F (1939) | -9.9°F (1964) | 0.68 in (1977) |
| December 18 | 61.0°F (1939) | -18.0°F (1985) | 0.94 in (1968) |
| December 19 | 64.9°F (1976) | -20.0°F (2016) | 0.73 in (2008) |
| December 20 | 62.1°F (1941) | -13.0°F (1901) | 0.60 in (1911) |
| December 21 | 60.1°F (1941) | -20.9°F (1989) | 1.05 in (2006) |
| December 22 | 66.0°F (1933) | -24.0°F (1989) | 0.33 in (1959) |
| December 23 | 64.0°F (1964) | -25.1°F (1989) | 1.54 in (1941) |
| December 24 | 57.9°F (1893) | -24.0°F (2013) | 1.21 in (1965) |
| December 25 | 55.9°F (2023) | -23.1°F (2013) | 1.11 in (2023) |
| December 26 | 57.9°F (1936) | -20.9°F (1962) | 0.60 in (1941) |
| December 27 | 60.1°F (1946) | -11.9°F (1924) | 0.74 in (1959) |
| December 28 | 57.0°F (1912) | -22.0°F (1924) | 1.55 in (1982) |
| December 29 | 61.0°F (2002) | -23.1°F (1917) | 0.40 in (1945) |
| December 30 | 62.1°F (2022) | -16.1°F (1961) | 1.56 in (1906) |
| December 31 | 63.0°F (2004) | -18.9°F (1976) | 2.65 in (2007) |