August weather in Myrtle Beach, SC
The average temperature in Myrtle Beach in August is 78.3°F (70.0°F–86.5°F). Average precipitation: 6.27 inches.
August is a summer month in Myrtle Beach, and is warmer than the annual average of 62.4°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Daylight averages about 13h 15m. For travel, August is a wet month.
Avg High
86.5°F
Avg Low
70.0°F
Precipitation
6.27 in
Daylight
13h 15m
August records in Myrtle Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (2002) | 60.1°F (2017) | 1.40 in (2005) |
| August 2 | 98.1°F (1999) | 60.1°F (2001) | 2.40 in (2018) |
| August 3 | 96.1°F (1999) | 64.9°F (2000) | 1.35 in (2009) |
| August 4 | 93.9°F (1991) | 61.0°F (2000) | 3.31 in (2020) |
| August 5 | 95.0°F (1991) | 64.9°F (1998) | 1.20 in (1994) |
| August 6 | 97.0°F (1989) | 63.0°F (1994) | 2.00 in (2004) |
| August 7 | 100.0°F (1989) | 57.9°F (2004) | 2.50 in (1998) |
| August 8 | 97.0°F (1989) | 57.9°F (2004) | 0.52 in (2012) |
| August 9 | 95.0°F (2006) | 57.0°F (2004) | 2.40 in (1990) |
| August 10 | 93.9°F (2019) | 57.9°F (2004) | 3.01 in (1990) |
| August 11 | 95.0°F (1991) | 62.1°F (2000) | 1.00 in (2007) |
| August 12 | 93.0°F (2013) | 60.1°F (2000) | 3.00 in (1991) |
| August 13 | 98.1°F (1995) | 54.0°F (2006) | 3.84 in (2004) |
| August 14 | 99.0°F (2008) | 55.0°F (2006) | 2.00 in (2008) |
| August 15 | 93.9°F (1997) | 61.0°F (2013) | 2.20 in (2002) |
| August 16 | 97.0°F (1995) | 60.1°F (2006) | 1.22 in (1992) |
| August 17 | 97.0°F (1995) | 55.0°F (2006) | 2.00 in (1992) |
| August 18 | 96.1°F (1997) | 55.0°F (2006) | 2.00 in (2019) |
| August 19 | 93.9°F (2002) | 66.9°F (2011) | 1.15 in (2011) |
| August 20 | 93.9°F (2002) | 57.0°F (2000) | 2.00 in (2022) |
| August 21 | 93.9°F (2005) | 64.9°F (1998) | 0.30 in (2012) |
| August 22 | 93.9°F (2005) | 64.0°F (2000) | 1.60 in (2012) |
| August 23 | 93.0°F (2014) | 61.0°F (1997) | 1.25 in (2004) |
| August 24 | 97.0°F (2002) | 32.0°F (2002) | 1.95 in (2005) |
| August 25 | 90.0°F (2000) | 57.9°F (1997) | 1.88 in (1995) |
| August 26 | 90.0°F (2010) | 57.9°F (2005) | 1.64 in (1995) |
| August 27 | 93.0°F (2020) | 61.0°F (1997) | 2.20 in (2011) |
| August 28 | 91.9°F (1998) | 63.0°F (1997) | 2.90 in (1990) |
| August 29 | 96.1°F (1990) | 64.9°F (1997) | 1.55 in (2017) |
| August 30 | 93.9°F (1997) | 63.0°F (1992) | 2.00 in (1999) |
| August 31 | 95.0°F (2005) | 54.0°F (1999) | 3.43 in (2001) |