December weather in St. Olaf, IA
The average temperature in St. Olaf in December is 23.3°F (14.3°F–32.2°F). Average precipitation: 1.57 inches. Average snowfall is 8.1 inches.
December is a winter month in St. Olaf, and is cooler than the annual average of 45.9°F. Daily temperatures swing about 17.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 51m. For travel, December is cold.
Avg High
32.2°F
Avg Low
14.3°F
Precipitation
1.57 in
Snow
8.1 in
December records in St. Olaf
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1962) | -11.0°F (1893) | 1.05 in (1945) |
| December 2 | 64.9°F (1982) | -13.0°F (1919) | 1.36 in (2007) |
| December 3 | 64.0°F (1951) | -25.1°F (1919) | 0.79 in (1934) |
| December 4 | 66.0°F (2012) | -9.9°F (2025) | 0.98 in (2011) |
| December 5 | 64.9°F (1998) | -17.0°F (2005) | 1.03 in (1973) |
| December 6 | 64.9°F (2001) | -11.9°F (1977) | 0.83 in (1982) |
| December 7 | 64.9°F (2001) | -22.0°F (1977) | 0.82 in (1974) |
| December 8 | 62.1°F (1946) | -15.0°F (1917) | 0.62 in (1966) |
| December 9 | 63.0°F (1946) | -24.0°F (1958) | 0.92 in (2009) |
| December 10 | 57.9°F (1979) | -24.0°F (1919) | 0.90 in (1911) |
| December 11 | 55.9°F (1896) | -23.1°F (1976) | 1.40 in (1899) |
| December 12 | 57.9°F (1968) | -18.0°F (1985) | 0.92 in (2010) |
| December 13 | 55.0°F (1915) | -20.9°F (1961) | 1.05 in (1945) |
| December 14 | 59.0°F (2015) | -27.0°F (1985) | 2.40 in (2015) |
| December 15 | 57.9°F (2021) | -23.1°F (1917) | 1.00 in (1893) |
| December 16 | 70.0°F (2021) | -18.0°F (1919) | 1.60 in (2000) |
| December 17 | 54.0°F (1939) | -23.1°F (1972) | 0.49 in (1895) |
| December 18 | 53.1°F (1962) | -22.0°F (1945) | 1.17 in (1968) |
| December 19 | 57.0°F (2002) | -27.9°F (1983) | 0.85 in (2008) |
| December 20 | 53.1°F (1894) | -24.0°F (1983) | 1.05 in (2012) |
| December 21 | 53.1°F (1941) | -27.0°F (1963) | 0.92 in (2006) |
| December 22 | 54.0°F (1900) | -23.1°F (1983) | 0.45 in (1984) |
| December 23 | 54.0°F (2019) | -27.0°F (1989) | 0.57 in (1969) |
| December 24 | 53.1°F (1893) | -23.1°F (2013) | 1.32 in (1895) |
| December 25 | 55.0°F (1936) | -34.1°F (2000) | 1.10 in (2009) |
| December 26 | 57.9°F (2019) | -26.0°F (1914) | 0.77 in (2023) |
| December 27 | 53.1°F (1936) | -31.0°F (1950) | 1.45 in (1904) |
| December 28 | 62.1°F (1984) | -15.0°F (2017) | 1.05 in (1982) |
| December 29 | 60.1°F (1984) | -18.9°F (1916) | 1.25 in (2019) |
| December 30 | 53.1°F (2022) | -20.0°F (1963) | 1.40 in (1906) |
| December 31 | 57.9°F (2004) | -24.0°F (1976) | 0.50 in (1916) |