December weather in Thompson, IA
The average temperature in Thompson in December is 20.7°F (12.9°F–28.5°F). Average precipitation: 1.23 inches.
December is a winter month in Thompson, and is cooler than the annual average of 44.9°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Daylight averages about 8h 48m. For travel, December is cold.
Avg High
28.5°F
Avg Low
12.9°F
Precipitation
1.23 in
Daylight
8h 48m
December records in Thompson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 62.1°F (1962) | -9.0°F (1897) | 0.58 in (1912) |
| December 2 | 69.1°F (1998) | -14.1°F (1985) | 0.60 in (1902) |
| December 3 | 61.0°F (1998) | -16.1°F (1919) | 0.74 in (1990) |
| December 4 | 59.0°F (1941) | -8.0°F (1904) | 0.85 in (1973) |
| December 5 | 64.0°F (2017) | -8.0°F (1895) | 1.70 in (1982) |
| December 6 | 63.0°F (1939) | -16.1°F (1972) | 0.42 in (2001) |
| December 7 | 48.9°F (1915) | -18.0°F (1972) | 0.90 in (1969) |
| December 8 | 64.0°F (1946) | -17.0°F (1917) | 0.62 in (1907) |
| December 9 | 62.1°F (1939) | -20.0°F (1958) | 0.62 in (1918) |
| December 10 | 55.9°F (1979) | -24.0°F (1919) | 2.00 in (1911) |
| December 11 | 57.0°F (1946) | -17.0°F (1917) | 0.67 in (1931) |
| December 12 | 60.1°F (1968) | -16.1°F (1932) | 1.30 in (1968) |
| December 13 | 57.0°F (1921) | -26.0°F (1903) | 0.50 in (1991) |
| December 14 | 55.0°F (1998) | -27.9°F (1901) | 1.03 in (1975) |
| December 15 | 55.0°F (1923) | -25.1°F (1901) | 0.73 in (1894) |
| December 16 | 66.0°F (2021) | -20.0°F (1914) | 0.50 in (1896) |
| December 17 | 57.0°F (1939) | -18.0°F (1914) | 1.00 in (2008) |
| December 18 | 59.0°F (1923) | -24.0°F (2016) | 0.39 in (1990) |
| December 19 | 55.9°F (1923) | -25.1°F (2016) | 2.00 in (2008) |
| December 20 | 51.1°F (1967) | -20.9°F (1916) | 1.40 in (1902) |
| December 21 | 54.0°F (1941) | -24.0°F (1989) | 0.50 in (1911) |
| December 22 | 50.0°F (1941) | -23.1°F (1989) | 1.00 in (1970) |
| December 23 | 48.0°F (1936) | -25.1°F (1990) | 0.75 in (1969) |
| December 24 | 46.0°F (2023) | -20.0°F (1924) | 0.70 in (1982) |
| December 25 | 53.1°F (2023) | -20.9°F (1990) | 0.76 in (2023) |
| December 26 | 55.0°F (1936) | -24.0°F (1914) | 1.00 in (1911) |
| December 27 | 48.9°F (1959) | -25.1°F (1950) | 0.73 in (2018) |
| December 28 | 54.0°F (1984) | -25.1°F (1924) | 1.00 in (1926) |
| December 29 | 48.9°F (2002) | -23.1°F (1917) | 0.80 in (1907) |
| December 30 | 53.1°F (1949) | -20.0°F (1917) | 0.58 in (1971) |
| December 31 | 54.0°F (2004) | -20.9°F (1976) | 1.04 in (2006) |