December weather in Masonville, IA
The average temperature in Masonville in December is 23.6°F (15.2°F–32.0°F). Average precipitation: 1.58 inches. Average snowfall is 8.5 inches.
December is a winter month in Masonville, and is cooler than the annual average of 46.3°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 8h 54m. For travel, December is cold.
Avg High
32.0°F
Avg Low
15.2°F
Precipitation
1.58 in
Snow
8.5 in
December records in Masonville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (2003) | 1.0°F (2025) | 0.93 in (1985) |
| December 2 | 59.0°F (1998) | -4.0°F (1976) | 1.13 in (2007) |
| December 3 | 63.0°F (1982) | -8.0°F (1985) | 0.82 in (1990) |
| December 4 | 66.0°F (2012) | -11.0°F (2025) | 0.85 in (2011) |
| December 5 | 69.1°F (1998) | -14.1°F (2005) | 0.68 in (1977) |
| December 6 | 66.0°F (1998) | -11.9°F (2005) | 0.53 in (2004) |
| December 7 | 53.1°F (2001) | -20.0°F (1976) | 1.05 in (1994) |
| December 8 | 57.9°F (2024) | -13.0°F (2005) | 0.44 in (1977) |
| December 9 | 57.0°F (2024) | -9.9°F (1977) | 0.85 in (2009) |
| December 10 | 57.0°F (1979) | -15.0°F (1977) | 0.41 in (2003) |
| December 11 | 55.9°F (2020) | -17.0°F (1976) | 0.40 in (2021) |
| December 12 | 50.0°F (1998) | -9.0°F (1985) | 0.68 in (2020) |
| December 13 | 59.0°F (2015) | -15.0°F (1985) | 0.75 in (2015) |
| December 14 | 59.0°F (2015) | -20.9°F (1985) | 1.82 in (2015) |
| December 15 | 55.9°F (2021) | -18.9°F (1989) | 0.58 in (1996) |
| December 16 | 70.0°F (2021) | -11.9°F (1989) | 0.56 in (1992) |
| December 17 | 52.0°F (1984) | -9.9°F (1983) | 0.29 in (2023) |
| December 18 | 51.1°F (2002) | -18.9°F (1983) | 0.21 in (1990) |
| December 19 | 57.0°F (2002) | -26.0°F (1985) | 0.76 in (2008) |
| December 20 | 51.1°F (1988) | -26.0°F (1985) | 0.96 in (2012) |
| December 21 | 50.0°F (1979) | -22.0°F (1989) | 1.23 in (2006) |
| December 22 | 48.0°F (2019) | -22.0°F (1989) | 0.35 in (2009) |
| December 23 | 52.0°F (2019) | -25.1°F (1989) | 0.64 in (1979) |
| December 24 | 53.1°F (2015) | -24.0°F (1989) | 0.47 in (2009) |
| December 25 | 55.0°F (1982) | -26.0°F (2000) | 1.01 in (2009) |
| December 26 | 59.0°F (2019) | -22.0°F (2000) | 0.91 in (2016) |
| December 27 | 46.9°F (2008) | -17.0°F (2017) | 0.79 in (2018) |
| December 28 | 53.1°F (1982) | -15.0°F (2017) | 0.87 in (2024) |
| December 29 | 60.1°F (1984) | -11.9°F (1993) | 1.46 in (2015) |
| December 30 | 52.0°F (2022) | -17.0°F (2013) | 0.59 in (2020) |
| December 31 | 55.0°F (2004) | -20.0°F (1976) | 0.21 in (2006) |