December weather in Green Castle, MO
The average temperature in Green Castle in December is 27.9°F (18.8°F–36.9°F). Average precipitation: 1.69 inches.
December is a winter month in Green Castle, and is cooler than the annual average of 49.8°F. Daily temperatures swing about 18.1°F between overnight low and afternoon high. Daylight averages about 9h 9m. For travel, December is cold.
Avg High
36.9°F
Avg Low
18.8°F
Precipitation
1.69 in
Daylight
9h 9m
December records in Green Castle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (2012) | 10.0°F (2020) | 1.04 in (2023) |
| December 2 | 59.0°F (2009) | 8.1°F (2014) | 0.84 in (2007) |
| December 3 | 62.1°F (2021) | 10.9°F (2006) | 0.40 in (2011) |
| December 4 | 70.0°F (2012) | 9.0°F (2008) | 0.70 in (2011) |
| December 5 | 66.9°F (2017) | 5.0°F (2008) | 0.16 in (2016) |
| December 6 | 57.0°F (2019) | 6.1°F (2008) | 0.05 in (2015) |
| December 7 | 52.0°F (2012) | -0.9°F (2013) | 0.25 in (2007) |
| December 8 | 61.0°F (2023) | -0.9°F (2013) | 0.20 in (2009) |
| December 9 | 57.0°F (2023) | 5.0°F (2013) | 0.82 in (2009) |
| December 10 | 60.1°F (2020) | -5.1°F (2009) | 0.11 in (2008) |
| December 11 | 64.9°F (2020) | -5.1°F (2009) | 1.22 in (2007) |
| December 12 | 55.0°F (2015) | -0.9°F (2013) | 1.04 in (2020) |
| December 13 | 61.0°F (2015) | -0.9°F (2010) | 0.83 in (2022) |
| December 14 | 61.0°F (2015) | -0.9°F (2010) | 1.99 in (2015) |
| December 15 | 61.0°F (2006) | 0.0°F (2008) | 0.68 in (2011) |
| December 16 | 73.0°F (2021) | 0.0°F (2008) | 0.39 in (2023) |
| December 17 | 64.0°F (2006) | 3.9°F (2008) | 0.41 in (2008) |
| December 18 | 48.9°F (2018) | -13.0°F (2016) | 0.15 in (2016) |
| December 19 | 54.0°F (2011) | -13.0°F (2016) | 0.42 in (2008) |
| December 20 | 52.0°F (2013) | -2.0°F (2016) | 1.10 in (2012) |
| December 21 | 51.1°F (2015) | -5.1°F (2008) | 0.95 in (2006) |
| December 22 | 55.9°F (2006) | -9.9°F (2008) | 0.47 in (2013) |
| December 23 | 53.1°F (2020) | -11.9°F (2022) | 0.78 in (2007) |
| December 24 | 60.1°F (2015) | -16.1°F (2013) | 0.80 in (2022) |
| December 25 | 66.0°F (2021) | -15.0°F (2013) | 1.11 in (2023) |
| December 26 | 61.0°F (2019) | -2.0°F (2022) | 0.50 in (2016) |
| December 27 | 61.0°F (2008) | -13.0°F (2017) | 0.58 in (2018) |
| December 28 | 55.0°F (2018) | -13.0°F (2017) | 0.72 in (2008) |
| December 29 | 54.0°F (2019) | 1.9°F (2009) | 1.19 in (2019) |
| December 30 | 64.9°F (2022) | 0.0°F (2013) | 1.41 in (2020) |
| December 31 | 61.0°F (2010) | -9.9°F (2017) | 0.80 in (2006) |