December weather in Myrtle Beach, SC
The average temperature in Myrtle Beach in December is 47.4°F (36.3°F–58.6°F). Average precipitation: 3.81 inches.
December is a winter month in Myrtle Beach, and is cooler than the annual average of 62.4°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Daylight averages about 9h 46m. For travel, December is cool.
Avg High
58.6°F
Avg Low
36.3°F
Precipitation
3.81 in
Daylight
9h 46m
December records in Myrtle Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 77.0°F (1990) | 28.0°F (1999) | 0.68 in (2010) |
| December 2 | 78.1°F (1998) | 26.1°F (1999) | 1.58 in (1996) |
| December 3 | 72.0°F (1998) | 28.0°F (2002) | 2.10 in (2009) |
| December 4 | 75.0°F (2021) | 21.9°F (1989) | 1.95 in (1994) |
| December 5 | 79.0°F (1998) | 24.1°F (1989) | 0.60 in (2016) |
| December 6 | 75.9°F (1998) | 26.1°F (2010) | 2.13 in (2016) |
| December 7 | 78.1°F (1998) | 21.0°F (2010) | 0.34 in (2017) |
| December 8 | 75.0°F (1998) | 25.0°F (2006) | 1.10 in (1990) |
| December 9 | 75.9°F (1998) | 18.0°F (2010) | 2.00 in (2018) |
| December 10 | 72.0°F (1998) | 27.0°F (2006) | 1.90 in (2018) |
| December 11 | 75.0°F (2007) | 19.9°F (2006) | 1.50 in (2018) |
| December 12 | 75.0°F (2007) | 19.9°F (2006) | 1.11 in (2008) |
| December 13 | 77.0°F (2007) | 21.0°F (2006) | 0.45 in (2009) |
| December 14 | 79.0°F (2007) | 24.1°F (1988) | 1.58 in (2003) |
| December 15 | 75.0°F (1991) | 18.0°F (2010) | 0.20 in (1990) |
| December 16 | 73.9°F (2015) | 18.0°F (2010) | 0.95 in (1994) |
| December 17 | 75.0°F (2011) | 21.9°F (2004) | 0.50 in (1994) |
| December 18 | 73.9°F (2011) | 24.1°F (2007) | 2.01 in (2009) |
| December 19 | 72.0°F (2021) | 24.1°F (2007) | 1.45 in (1999) |
| December 20 | 73.0°F (2017) | 19.9°F (2004) | 0.94 in (1999) |
| December 21 | 73.0°F (1992) | 19.0°F (2004) | 1.30 in (2017) |
| December 22 | 73.0°F (2013) | 23.0°F (1989) | 3.30 in (2006) |
| December 23 | 79.0°F (1998) | 14.0°F (1989) | 2.50 in (1994) |
| December 24 | 79.0°F (1998) | 10.0°F (1989) | 1.40 in (1989) |
| December 25 | 72.0°F (2016) | 16.0°F (2022) | 1.20 in (2002) |
| December 26 | 75.0°F (2008) | 21.0°F (2000) | 1.60 in (1998) |
| December 27 | 73.9°F (2021) | 21.9°F (2000) | 0.73 in (1997) |
| December 28 | 73.0°F (2015) | 23.0°F (2004) | 1.00 in (1992) |
| December 29 | 70.0°F (2008) | 24.1°F (2004) | 0.98 in (2018) |
| December 30 | 73.9°F (2021) | 27.0°F (2005) | 0.42 in (1997) |
| December 31 | 75.9°F (1996) | 23.0°F (2000) | 0.90 in (1994) |