December weather in Slater, IA
The average temperature in Slater in December is 24.8°F (16.2°F–33.5°F). Average precipitation: 1.46 inches. Average snowfall is 6.5 inches.
December is a winter month in Slater, and is cooler than the annual average of 48°F. Daily temperatures swing about 17.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
33.5°F
Avg Low
16.2°F
Precipitation
1.46 in
Snow
6.5 in
December records in Slater
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (1998) | 8.1°F (2024) | 1.10 in (1981) |
| December 2 | 64.9°F (1998) | 3.0°F (2005) | 1.27 in (2007) |
| December 3 | 59.0°F (1998) | 1.9°F (2000) | 0.71 in (2003) |
| December 4 | 66.0°F (2012) | 3.9°F (2005) | 0.90 in (2011) |
| December 5 | 68.0°F (1998) | -9.9°F (2005) | 0.22 in (1982) |
| December 6 | 66.9°F (2001) | -9.0°F (2005) | 1.27 in (1982) |
| December 7 | 52.0°F (2001) | -15.0°F (2005) | 0.58 in (1994) |
| December 8 | 63.0°F (2024) | -11.9°F (2005) | 0.40 in (1986) |
| December 9 | 60.1°F (2024) | -15.0°F (2005) | 0.81 in (2009) |
| December 10 | 55.9°F (2020) | -14.1°F (2005) | 0.37 in (2003) |
| December 11 | 60.1°F (2020) | -9.9°F (2009) | 0.28 in (2007) |
| December 12 | 50.0°F (1998) | -11.9°F (2000) | 0.60 in (2020) |
| December 13 | 52.0°F (2021) | -13.0°F (2000) | 1.26 in (2015) |
| December 14 | 53.1°F (2014) | -8.0°F (2025) | 2.83 in (2015) |
| December 15 | 59.0°F (2021) | -8.0°F (2025) | 0.56 in (2015) |
| December 16 | 73.0°F (2021) | -8.0°F (2009) | 0.49 in (2021) |
| December 17 | 54.0°F (2006) | -5.1°F (2000) | 0.29 in (1985) |
| December 18 | 50.0°F (2002) | -16.1°F (2016) | 0.35 in (1990) |
| December 19 | 54.0°F (2018) | -17.0°F (2016) | 0.60 in (2008) |
| December 20 | 53.1°F (2018) | -9.0°F (2000) | 0.62 in (2012) |
| December 21 | 48.9°F (2015) | -13.0°F (1999) | 0.95 in (2006) |
| December 22 | 51.1°F (2019) | -14.1°F (1999) | 0.34 in (2013) |
| December 23 | 55.0°F (2019) | -13.0°F (2022) | 0.75 in (1979) |
| December 24 | 50.0°F (2020) | -18.9°F (2013) | 0.62 in (2015) |
| December 25 | 55.0°F (2023) | -18.9°F (2013) | 0.79 in (2023) |
| December 26 | 59.0°F (2019) | -16.1°F (2000) | 0.49 in (2023) |
| December 27 | 51.1°F (2008) | -13.0°F (2017) | 0.99 in (2018) |
| December 28 | 57.9°F (2003) | -13.0°F (2017) | 1.57 in (1982) |
| December 29 | 57.0°F (2002) | -4.0°F (2009) | 0.96 in (2019) |
| December 30 | 57.0°F (1999) | -4.0°F (2013) | 0.60 in (2020) |
| December 31 | 61.0°F (2004) | -13.0°F (1998) | 0.59 in (2006) |