December weather in Farmington, IA
The average temperature in Farmington in December is 29.3°F (20.9°F–37.7°F). Average precipitation: 1.96 inches. Average snowfall is 6.4 inches.
December is a winter month in Farmington, and is cooler than the annual average of 51.7°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
37.7°F
Avg Low
20.9°F
Precipitation
1.96 in
Snow
6.4 in
December records in Farmington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (2012) | 12.9°F (2014) | 1.12 in (1985) |
| December 2 | 62.1°F (2012) | 10.9°F (2006) | 2.92 in (1982) |
| December 3 | 61.0°F (2017) | 7.0°F (2006) | 1.31 in (1990) |
| December 4 | 72.0°F (2012) | -0.9°F (2025) | 0.57 in (1973) |
| December 5 | 66.9°F (2017) | -0.9°F (2025) | 1.20 in (1982) |
| December 6 | 59.0°F (2019) | 8.1°F (2024) | 0.97 in (1975) |
| December 7 | 51.1°F (2012) | 1.0°F (2013) | 1.87 in (1994) |
| December 8 | 64.0°F (2023) | 1.0°F (2013) | 2.47 in (1980) |
| December 9 | 62.1°F (2024) | 3.9°F (2006) | 0.48 in (2009) |
| December 10 | 57.9°F (2020) | -0.9°F (2009) | 2.62 in (2003) |
| December 11 | 63.0°F (2020) | 0.0°F (2009) | 1.29 in (1970) |
| December 12 | 55.0°F (2015) | 1.0°F (2013) | 1.62 in (1946) |
| December 13 | 64.0°F (2015) | -0.9°F (2010) | 1.29 in (1975) |
| December 14 | 62.1°F (2015) | -8.0°F (2025) | 1.75 in (2011) |
| December 15 | 63.0°F (2008) | -8.0°F (2025) | 2.19 in (1971) |
| December 16 | 73.9°F (2021) | 3.0°F (2016) | 1.16 in (1992) |
| December 17 | 60.1°F (2006) | 5.0°F (2007) | 0.39 in (1981) |
| December 18 | 50.0°F (2025) | -9.9°F (2016) | 0.43 in (1957) |
| December 19 | 54.0°F (2012) | -9.9°F (2016) | 1.53 in (1957) |
| December 20 | 54.0°F (2018) | -2.9°F (2016) | 1.51 in (1987) |
| December 21 | 55.0°F (2015) | -2.9°F (2008) | 0.85 in (2006) |
| December 22 | 54.0°F (2023) | -5.1°F (2008) | 0.80 in (1949) |
| December 23 | 55.9°F (2019) | -11.0°F (2022) | 0.77 in (1941) |
| December 24 | 62.1°F (2020) | -9.9°F (2013) | 1.22 in (1965) |
| December 25 | 68.0°F (2021) | -9.9°F (2013) | 0.93 in (1997) |
| December 26 | 66.0°F (2019) | 1.9°F (2020) | 0.59 in (2016) |
| December 27 | 57.9°F (2008) | -9.9°F (2017) | 1.79 in (1942) |
| December 28 | 55.0°F (2025) | -9.0°F (2017) | 0.88 in (1968) |
| December 29 | 57.0°F (2019) | 0.0°F (2009) | 1.30 in (2015) |
| December 30 | 66.9°F (2022) | 0.0°F (2009) | 1.29 in (2020) |
| December 31 | 55.9°F (2010) | -8.0°F (2017) | 0.74 in (1992) |