December weather in Plano, IA
The average temperature in Plano in December is 28.1°F (18.2°F–38.0°F). Average precipitation: 1.46 inches. Average snowfall is 2.3 inches.
December is a winter month in Plano, and is cooler than the annual average of 49.9°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 5m. For travel, December is cold.
Avg High
38.0°F
Avg Low
18.2°F
Precipitation
1.46 in
Snow
2.3 in
December records in Plano
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.9°F (1894) | -5.1°F (1893) | 2.50 in (1894) |
| December 2 | 66.9°F (1973) | -7.1°F (1893) | 1.20 in (1893) |
| December 3 | 66.0°F (1916) | -4.0°F (1929) | 0.65 in (1953) |
| December 4 | 72.0°F (1946) | -2.9°F (1893) | 1.25 in (1924) |
| December 5 | 71.1°F (1998) | -2.0°F (1928) | 1.53 in (1999) |
| December 6 | 71.1°F (1946) | -4.0°F (1917) | 1.19 in (1982) |
| December 7 | 64.9°F (1946) | -9.0°F (1976) | 1.19 in (1994) |
| December 8 | 73.0°F (1946) | -15.0°F (1917) | 2.32 in (1980) |
| December 9 | 66.9°F (1946) | -7.1°F (1958) | 0.63 in (2008) |
| December 10 | 63.0°F (1946) | -18.0°F (1919) | 1.48 in (2003) |
| December 11 | 68.0°F (1949) | -9.9°F (1917) | 1.75 in (1970) |
| December 12 | 62.1°F (1968) | -13.0°F (1932) | 0.85 in (1961) |
| December 13 | 62.1°F (2015) | -11.9°F (1961) | 0.92 in (1946) |
| December 14 | 62.1°F (2015) | -9.9°F (1914) | 1.87 in (2015) |
| December 15 | 62.1°F (2021) | -16.1°F (1989) | 1.86 in (1971) |
| December 16 | 73.9°F (2021) | -17.0°F (1932) | 0.36 in (2014) |
| December 17 | 64.9°F (1939) | -8.0°F (1964) | 0.46 in (2008) |
| December 18 | 64.9°F (1893) | -13.0°F (1985) | 1.00 in (1895) |
| December 19 | 70.0°F (1893) | -18.9°F (1983) | 1.03 in (2008) |
| December 20 | 68.0°F (1893) | -14.1°F (1983) | 2.15 in (1911) |
| December 21 | 70.0°F (1893) | -18.9°F (1989) | 1.02 in (2006) |
| December 22 | 64.9°F (1893) | -20.9°F (1989) | 0.46 in (2013) |
| December 23 | 70.0°F (1893) | -23.1°F (1989) | 1.29 in (1941) |
| December 24 | 68.0°F (1893) | -20.9°F (2013) | 1.60 in (1895) |
| December 25 | 64.0°F (2021) | -20.9°F (2013) | 1.11 in (2023) |
| December 26 | 64.0°F (2019) | -14.1°F (1914) | 0.58 in (1936) |
| December 27 | 72.0°F (1946) | -16.1°F (2017) | 0.82 in (1942) |
| December 28 | 57.0°F (1946) | -27.9°F (1924) | 0.97 in (1982) |
| December 29 | 60.1°F (1893) | -18.0°F (1917) | 0.81 in (2019) |
| December 30 | 64.9°F (1929) | -11.9°F (1968) | 1.16 in (2020) |
| December 31 | 63.0°F (2004) | -11.9°F (1976) | 1.08 in (1931) |