December weather in Georgetown, DE
The average temperature in Georgetown in December is 41.3°F (32.7°F–49.9°F). Average precipitation: 3.47 inches.
December is a winter month in Georgetown, and is cooler than the annual average of 57.6°F. Daily temperatures swing about 17.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 18m. For travel, December is cool.
Avg High
49.9°F
Avg Low
32.7°F
Precipitation
3.47 in
Daylight
9h 18m
December records in Georgetown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2006) | 21.2°F (2024) | 0.63 in (2019) |
| December 2 | 69.1°F (2018) | 23.2°F (2022) | 1.04 in (2025) |
| December 3 | 71.1°F (2012) | 19.9°F (2002) | 0.87 in (2009) |
| December 4 | 73.9°F (1998) | 17.1°F (2002) | 0.52 in (1997) |
| December 5 | 75.0°F (2001) | 19.9°F (2000) | 1.85 in (2020) |
| December 6 | 75.0°F (1998) | 15.3°F (2007) | 1.39 in (1999) |
| December 7 | 75.0°F (1998) | 11.1°F (2007) | 0.65 in (2011) |
| December 8 | 66.9°F (2004) | 20.1°F (2008) | 0.79 in (1998) |
| December 9 | 64.0°F (2009) | 17.2°F (2006) | 1.93 in (2009) |
| December 10 | 69.1°F (2008) | 18.1°F (2010) | 1.30 in (2023) |
| December 11 | 70.0°F (2021) | 22.1°F (2016) | 1.94 in (2008) |
| December 12 | 73.9°F (2015) | 21.0°F (2025) | 0.76 in (2010) |
| December 13 | 71.1°F (2015) | 19.0°F (2025) | 1.51 in (1998) |
| December 14 | 75.0°F (2015) | 18.0°F (2025) | 1.06 in (2003) |
| December 15 | 70.0°F (2008) | 18.0°F (2025) | 1.89 in (2022) |
| December 16 | 66.9°F (2021) | 14.2°F (2010) | 1.63 in (2020) |
| December 17 | 66.9°F (2021) | 14.2°F (2010) | 1.04 in (2015) |
| December 18 | 72.0°F (2006) | 15.3°F (2010) | 3.38 in (2023) |
| December 19 | 64.9°F (2021) | 19.2°F (2019) | 0.96 in (2009) |
| December 20 | 64.9°F (2002) | 12.0°F (2004) | 0.66 in (2002) |
| December 21 | 71.1°F (2013) | 14.0°F (2004) | 0.53 in (2008) |
| December 22 | 75.9°F (2013) | 15.1°F (2000) | 0.80 in (2022) |
| December 23 | 72.0°F (2015) | 11.1°F (2024) | 0.97 in (2015) |
| December 24 | 72.0°F (2015) | 11.1°F (2022) | 1.41 in (2003) |
| December 25 | 73.9°F (2015) | 10.2°F (2022) | 0.77 in (2006) |
| December 26 | 66.0°F (2015) | 10.0°F (2000) | 2.00 in (2012) |
| December 27 | 72.0°F (2015) | 17.1°F (1998) | 0.84 in (1997) |
| December 28 | 72.0°F (2008) | 10.2°F (2017) | 0.84 in (2018) |
| December 29 | 68.0°F (2024) | 10.2°F (2017) | 1.13 in (2013) |
| December 30 | 72.0°F (2019) | 14.2°F (2010) | 0.56 in (2007) |
| December 31 | 66.9°F (2018) | 12.2°F (2017) | 0.56 in (2022) |