December weather in Little Sioux, IA
The average temperature in Little Sioux in December is 23.8°F (13.5°F–34.1°F). Average precipitation: 1.50 inches. Average snowfall is 9.8 inches.
December is a winter month in Little Sioux, and is cooler than the annual average of 48.1°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 8h 58m. For travel, December is cold.
Avg High
34.1°F
Avg Low
13.5°F
Precipitation
1.50 in
Snow
9.8 in
December records in Little Sioux
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.1°F (2003) | -2.0°F (2005) | 0.46 in (2015) |
| December 2 | 57.9°F (2017) | -2.0°F (2005) | 1.28 in (2018) |
| December 3 | 63.0°F (2021) | -0.9°F (2025) | 0.34 in (2003) |
| December 4 | 61.0°F (2012) | -8.0°F (2025) | 0.61 in (2011) |
| December 5 | 55.9°F (2012) | -8.0°F (2005) | 0.12 in (2003) |
| December 6 | 53.1°F (2012) | -17.0°F (2005) | 0.30 in (2004) |
| December 7 | 55.0°F (2023) | -15.0°F (2005) | 0.39 in (2007) |
| December 8 | 62.1°F (2023) | -9.9°F (2005) | 0.08 in (2009) |
| December 9 | 64.0°F (2024) | -9.9°F (2005) | 0.82 in (2009) |
| December 10 | 62.1°F (2020) | -18.9°F (2009) | 0.44 in (2003) |
| December 11 | 57.0°F (2015) | -15.0°F (2009) | 0.54 in (2007) |
| December 12 | 55.0°F (2015) | -6.0°F (2013) | 0.41 in (2020) |
| December 13 | 54.0°F (2014) | -7.1°F (2010) | 1.20 in (2022) |
| December 14 | 54.0°F (2014) | -9.0°F (2025) | 2.75 in (2015) |
| December 15 | 57.9°F (2006) | -15.0°F (2009) | 0.81 in (2012) |
| December 16 | 73.0°F (2021) | -11.0°F (2009) | 0.68 in (2021) |
| December 17 | 50.0°F (2006) | -6.0°F (2007) | 0.31 in (2008) |
| December 18 | 50.0°F (2025) | -18.9°F (2016) | 0.19 in (2025) |
| December 19 | 51.1°F (2011) | -20.0°F (2016) | 0.72 in (2008) |
| December 20 | 53.1°F (2024) | -2.9°F (2004) | 0.21 in (2022) |
| December 21 | 50.0°F (2015) | -2.9°F (2022) | 0.70 in (2006) |
| December 22 | 53.1°F (2020) | -14.1°F (2022) | 0.27 in (2006) |
| December 23 | 55.0°F (2005) | -18.0°F (2022) | 0.70 in (2014) |
| December 24 | 55.9°F (2023) | -11.9°F (2013) | 0.48 in (2015) |
| December 25 | 55.9°F (2021) | -7.1°F (2004) | 0.90 in (2023) |
| December 26 | 50.0°F (2016) | -7.1°F (2022) | 0.72 in (2016) |
| December 27 | 52.0°F (2025) | -17.0°F (2017) | 0.76 in (2018) |
| December 28 | 60.1°F (2013) | -15.0°F (2017) | 0.73 in (2019) |
| December 29 | 62.1°F (2002) | -11.0°F (2009) | 1.00 in (2019) |
| December 30 | 52.0°F (2004) | -8.0°F (2014) | 0.37 in (2020) |
| December 31 | 64.0°F (2004) | -16.1°F (2017) | 1.34 in (2006) |