December weather in Hartford, IA
The average temperature in Hartford in December is 27.0°F (18.6°F–35.4°F). Average precipitation: 1.61 inches.
December is a winter month in Hartford, and is cooler than the annual average of 49.5°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 1m. For travel, December is cold.
Avg High
35.4°F
Avg Low
18.6°F
Precipitation
1.61 in
Daylight
9h 1m
December records in Hartford
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 60.8°F (2009) | 5.4°F (2005) | 1.07 in (2018) |
| December 2 | 59.2°F (2021) | 7.7°F (2014) | 0.11 in (2018) |
| December 3 | 70.2°F (2012) | 3.6°F (2025) | 1.48 in (2011) |
| December 4 | 68.4°F (2017) | -5.1°F (2025) | 0.56 in (2016) |
| December 5 | 58.3°F (2019) | -6.3°F (2005) | 0.41 in (2004) |
| December 6 | 51.6°F (2012) | -4.7°F (2005) | 0.34 in (2007) |
| December 7 | 63.0°F (2024) | -10.3°F (2005) | 0.06 in (2005) |
| December 8 | 60.4°F (2024) | -0.9°F (2005) | 0.92 in (2009) |
| December 9 | 59.9°F (2020) | -7.6°F (2005) | 0.21 in (2012) |
| December 10 | 63.5°F (2020) | -8.0°F (2009) | 0.07 in (2007) |
| December 11 | 50.7°F (2015) | -3.5°F (2009) | 1.24 in (2007) |
| December 12 | 54.9°F (2021) | -0.6°F (2013) | 0.41 in (2020) |
| December 13 | 57.0°F (2015) | -2.7°F (2010) | 1.77 in (2015) |
| December 14 | 61.0°F (2021) | -6.9°F (2025) | 0.74 in (2015) |
| December 15 | 75.2°F (2021) | -2.9°F (2008) | 0.39 in (2014) |
| December 16 | 59.5°F (2006) | -3.5°F (2009) | 0.21 in (2023) |
| December 17 | 47.8°F (2018) | -5.3°F (2016) | 0.07 in (2016) |
| December 18 | 55.8°F (2018) | -13.5°F (2016) | 0.52 in (2008) |
| December 19 | 55.2°F (2018) | -1.7°F (2016) | 0.83 in (2012) |
| December 20 | 50.9°F (2015) | -4.2°F (2008) | 0.85 in (2006) |
| December 21 | 52.7°F (2023) | -5.4°F (2008) | 0.24 in (2006) |
| December 22 | 56.1°F (2019) | -10.8°F (2022) | 0.40 in (2014) |
| December 23 | 54.9°F (2020) | -9.8°F (2022) | 0.88 in (2015) |
| December 24 | 57.7°F (2023) | -17.1°F (2013) | 0.62 in (2009) |
| December 25 | 62.1°F (2019) | -2.2°F (2008) | 0.81 in (2016) |
| December 26 | 55.2°F (2008) | -5.8°F (2017) | 0.70 in (2018) |
| December 27 | 55.9°F (2008) | -10.8°F (2017) | 0.64 in (2008) |
| December 28 | 51.4°F (2019) | 3.2°F (2017) | 1.01 in (2019) |
| December 29 | 61.2°F (2022) | -2.4°F (2009) | 0.85 in (2020) |
| December 30 | 62.4°F (2004) | -5.8°F (2017) | 0.52 in (2024) |
| December 31 | 55.9°F (2011) | -16.6°F (2017) | 0.86 in (2006) |