December weather in Blue Grass, IA
The average temperature in Blue Grass in December is 27.8°F (19.7°F–36.0°F). Average precipitation: 2.02 inches.
December is a winter month in Blue Grass, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 0m. For travel, December is cold.
Avg High
36.0°F
Avg Low
19.7°F
Precipitation
2.02 in
Daylight
9h 0m
December records in Blue Grass
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (1998) | 1.9°F (1876) | 1.05 in (1985) |
| December 2 | 62.1°F (1873) | -2.0°F (1876) | 0.87 in (2007) |
| December 3 | 68.0°F (2012) | -0.9°F (1985) | 1.10 in (1873) |
| December 4 | 72.0°F (1998) | -0.9°F (1991) | 0.64 in (1891) |
| December 5 | 68.0°F (2001) | 0.0°F (1873) | 0.67 in (1999) |
| December 6 | 55.9°F (1998) | 1.0°F (2005) | 0.47 in (2004) |
| December 7 | 57.9°F (2023) | -4.0°F (2005) | 1.14 in (1998) |
| December 8 | 63.0°F (1991) | -9.9°F (1876) | 0.44 in (2023) |
| December 9 | 55.0°F (1993) | -20.0°F (1876) | 1.05 in (1866) |
| December 10 | 60.1°F (2020) | -1.5°F (1872) | 1.80 in (2003) |
| December 11 | 55.9°F (2015) | -0.9°F (2013) | 0.85 in (2020) |
| December 12 | 64.0°F (1991) | -2.9°F (2000) | 1.10 in (1873) |
| December 13 | 64.0°F (2015) | -4.0°F (1985) | 1.20 in (2015) |
| December 14 | 61.0°F (2015) | -11.0°F (2025) | 0.70 in (2024) |
| December 15 | 72.0°F (2021) | -13.0°F (1989) | 0.62 in (2008) |
| December 16 | 64.0°F (2021) | -9.9°F (1876) | 1.17 in (1992) |
| December 17 | 51.1°F (1889) | -9.0°F (1875) | 0.33 in (2008) |
| December 18 | 59.0°F (2002) | -11.0°F (1985) | 0.27 in (2002) |
| December 19 | 55.9°F (1988) | -9.0°F (1985) | 0.79 in (2008) |
| December 20 | 55.0°F (1875) | -6.0°F (1989) | 1.80 in (2012) |
| December 21 | 51.1°F (1875) | -18.0°F (1989) | 3.76 in (1871) |
| December 22 | 61.0°F (1875) | -16.1°F (1989) | 0.65 in (2013) |
| December 23 | 62.1°F (1888) | -17.0°F (1989) | 1.10 in (2015) |
| December 24 | 64.9°F (1889) | -26.0°F (1872) | 1.66 in (1871) |
| December 25 | 60.1°F (2019) | -11.0°F (2000) | 0.99 in (2009) |
| December 26 | 55.9°F (2019) | 1.0°F (1990) | 0.92 in (1888) |
| December 27 | 57.0°F (1994) | -13.0°F (1872) | 0.91 in (1988) |
| December 28 | 55.0°F (2003) | 0.0°F (1872) | 1.10 in (2019) |
| December 29 | 64.0°F (2022) | -9.0°F (1874) | 1.00 in (2020) |
| December 30 | 64.0°F (1875) | -8.0°F (1876) | 0.38 in (2011) |
| December 31 | 57.0°F (1875) | -11.9°F (2017) | 2.25 in (1875) |