December weather in Harrington, DE
The average temperature in Harrington in December is 38.8°F (29.3°F–48.2°F). Average precipitation: 3.78 inches. Average snowfall is 1.8 inches.
December is a winter month in Harrington, and is cooler than the annual average of 55.4°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 17m. For travel, December is cool.
Avg High
48.2°F
Avg Low
29.3°F
Precipitation
3.78 in
Snow
1.8 in
December records in Harrington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2001) | 24.1°F (1999) | 0.79 in (1991) |
| December 2 | 73.9°F (2006) | 21.9°F (1999) | 0.83 in (1991) |
| December 3 | 69.1°F (1991) | 19.9°F (2003) | 1.50 in (1991) |
| December 4 | 66.0°F (1998) | 16.0°F (2002) | 0.53 in (2005) |
| December 5 | 73.9°F (1998) | 16.0°F (2002) | 2.54 in (1993) |
| December 6 | 75.9°F (2001) | 18.0°F (2007) | 0.79 in (1996) |
| December 7 | 75.9°F (1998) | 12.0°F (2002) | 0.70 in (1999) |
| December 8 | 77.0°F (1998) | 12.9°F (2002) | 0.40 in (1996) |
| December 9 | 66.9°F (1991) | 18.0°F (2006) | 2.16 in (2009) |
| December 10 | 64.9°F (2008) | 16.0°F (1989) | 0.89 in (1991) |
| December 11 | 66.0°F (2008) | 17.1°F (1995) | 1.11 in (2003) |
| December 12 | 64.9°F (2008) | 10.0°F (1988) | 2.51 in (2008) |
| December 13 | 64.9°F (2007) | 9.0°F (1988) | 1.64 in (1996) |
| December 14 | 61.0°F (1991) | 6.1°F (1989) | 1.81 in (1996) |
| December 15 | 69.1°F (2001) | 8.1°F (1989) | 0.90 in (1990) |
| December 16 | 69.1°F (2008) | 15.1°F (1989) | 1.13 in (2005) |
| December 17 | 66.0°F (2000) | 12.0°F (1989) | 0.83 in (2000) |
| December 18 | 66.9°F (1990) | 15.1°F (1989) | 1.38 in (2000) |
| December 19 | 71.1°F (2006) | 5.0°F (1989) | 0.93 in (1995) |
| December 20 | 62.1°F (2002) | 12.0°F (2004) | 0.58 in (2009) |
| December 21 | 64.9°F (2002) | 6.1°F (1989) | 1.08 in (1993) |
| December 22 | 63.0°F (1998) | 3.9°F (1989) | 0.36 in (2008) |
| December 23 | 66.9°F (1990) | 3.0°F (1989) | 0.52 in (2006) |
| December 24 | 64.9°F (1996) | 8.1°F (1989) | 0.98 in (2003) |
| December 25 | 63.0°F (1996) | 5.0°F (1989) | 2.66 in (1986) |
| December 26 | 61.0°F (2006) | 9.0°F (2000) | 0.95 in (2005) |
| December 27 | 57.9°F (2009) | 3.9°F (1989) | 0.41 in (1996) |
| December 28 | 68.0°F (1988) | 12.9°F (2004) | 0.95 in (1990) |
| December 29 | 69.1°F (2008) | 12.0°F (2004) | 0.79 in (1991) |
| December 30 | 66.0°F (1990) | 15.1°F (2000) | 0.45 in (2005) |
| December 31 | 64.9°F (1990) | 14.0°F (1987) | 0.64 in (2007) |