December weather in Marietta, GA
The average temperature in Marietta in December is 45.1°F (34.9°F–55.4°F). Average precipitation: 4.86 inches. Average snowfall is 0.2 inches.
December is a winter month in Marietta, and is cooler than the annual average of 60.1°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 9h 45m. For travel, December is cool.
Avg High
55.4°F
Avg Low
34.9°F
Precipitation
4.86 in
Snow
0.2 in
December records in Marietta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2006) | 26.1°F (1999) | 1.84 in (1996) |
| December 2 | 71.1°F (2012) | 25.0°F (1999) | 1.02 in (2009) |
| December 3 | 72.0°F (2012) | 25.0°F (2008) | 1.49 in (2009) |
| December 4 | 73.0°F (2012) | 25.0°F (2008) | 0.78 in (1997) |
| December 5 | 75.0°F (2001) | 27.0°F (2006) | 2.05 in (2005) |
| December 6 | 73.0°F (2001) | 24.1°F (2009) | 1.13 in (2004) |
| December 7 | 77.0°F (2001) | 24.1°F (2008) | 1.12 in (2011) |
| December 8 | 77.0°F (2001) | 18.0°F (2006) | 0.30 in (1996) |
| December 9 | 73.9°F (2001) | 18.0°F (2006) | 1.32 in (2009) |
| December 10 | 77.0°F (2007) | 18.0°F (2006) | 1.48 in (2004) |
| December 11 | 80.1°F (2007) | 24.1°F (2005) | 2.82 in (2008) |
| December 12 | 79.0°F (2007) | 26.1°F (2009) | 0.58 in (2010) |
| December 13 | 77.0°F (2007) | 19.9°F (2010) | 0.71 in (1996) |
| December 14 | 70.0°F (2007) | 14.0°F (2010) | 0.85 in (1993) |
| December 15 | 72.0°F (2011) | 14.0°F (2010) | 0.75 in (2005) |
| December 16 | 73.0°F (2011) | 21.9°F (2004) | 0.90 in (2007) |
| December 17 | 75.0°F (2011) | 21.9°F (2004) | 0.80 in (1996) |
| December 18 | 73.9°F (2006) | 19.0°F (2000) | 0.90 in (2001) |
| December 19 | 73.9°F (2006) | 19.0°F (2000) | 2.20 in (2009) |
| December 20 | 70.0°F (2006) | 12.9°F (2000) | 0.76 in (2002) |
| December 21 | 68.0°F (2008) | 12.9°F (2000) | 2.04 in (2012) |
| December 22 | 62.1°F (2004) | 18.0°F (2008) | 0.73 in (1997) |
| December 23 | 68.0°F (2002) | 16.0°F (2000) | 1.96 in (2004) |
| December 24 | 66.9°F (2003) | 16.0°F (2000) | 2.15 in (2002) |
| December 25 | 63.0°F (2008) | 23.0°F (1999) | 1.66 in (2009) |
| December 26 | 59.0°F (2008) | 21.9°F (1999) | 0.64 in (2007) |
| December 27 | 62.1°F (1999) | 23.0°F (2001) | 0.46 in (1997) |
| December 28 | 66.0°F (2003) | 23.0°F (2010) | 0.18 in (2000) |
| December 29 | 66.0°F (2007) | 21.9°F (2010) | 0.78 in (2012) |
| December 30 | 66.9°F (2002) | 19.0°F (2000) | 0.55 in (2007) |
| December 31 | 68.0°F (2008) | 19.0°F (2000) | 0.75 in (2007) |