May weather in Myrtle Beach, SC
The average temperature in Myrtle Beach in May is 69.3°F (59.7°F–78.8°F). Average precipitation: 3.80 inches.
May is a spring month in Myrtle Beach, and is warmer than the annual average of 62.4°F. Daily temperatures swing about 19.1°F between overnight low and afternoon high. Daylight averages about 13h 45m. For travel, May is one of the best months of the year to visit.
Avg High
78.8°F
Avg Low
59.7°F
Precipitation
3.80 in
Daylight
13h 45m
May records in Myrtle Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (1990) | 42.1°F (1993) | 0.90 in (1999) |
| May 2 | 84.0°F (1990) | 44.1°F (2008) | 0.89 in (1999) |
| May 3 | 86.0°F (2003) | 48.9°F (1995) | 1.54 in (2004) |
| May 4 | 87.1°F (1991) | 46.0°F (2004) | 1.25 in (2021) |
| May 5 | 87.1°F (2020) | 46.0°F (1997) | 0.95 in (1995) |
| May 6 | 90.0°F (2012) | 46.9°F (2004) | 1.00 in (2016) |
| May 7 | 91.9°F (1996) | 45.0°F (2007) | 1.50 in (2011) |
| May 8 | 91.9°F (1996) | 37.9°F (1989) | 1.40 in (1992) |
| May 9 | 90.0°F (2003) | 37.9°F (1989) | 0.79 in (2007) |
| May 10 | 91.0°F (2003) | 44.1°F (2020) | 2.30 in (2008) |
| May 11 | 87.1°F (2008) | 44.1°F (2020) | 2.79 in (2015) |
| May 12 | 89.1°F (2003) | 45.0°F (2020) | 0.19 in (2002) |
| May 13 | 89.1°F (1995) | 45.0°F (2020) | 1.20 in (2019) |
| May 14 | 98.1°F (2000) | 44.1°F (2020) | 1.20 in (2002) |
| May 15 | 91.0°F (2017) | 43.0°F (2007) | 1.00 in (1999) |
| May 16 | 90.0°F (1994) | 50.0°F (2019) | 0.97 in (2014) |
| May 17 | 86.0°F (2008) | 50.0°F (2021) | 1.13 in (2007) |
| May 18 | 91.9°F (1990) | 48.9°F (2009) | 1.10 in (2009) |
| May 19 | 88.0°F (1996) | 48.9°F (2009) | 1.20 in (2009) |
| May 20 | 91.0°F (2001) | 46.0°F (2002) | 0.40 in (1995) |
| May 21 | 93.9°F (1998) | 26.1°F (2002) | 0.70 in (2013) |
| May 22 | 91.0°F (1998) | 41.0°F (1993) | 1.39 in (2020) |
| May 23 | 91.9°F (2014) | 48.9°F (2002) | 1.57 in (2003) |
| May 24 | 93.0°F (1998) | 51.1°F (2002) | 1.40 in (2017) |
| May 25 | 95.0°F (2019) | 52.0°F (2005) | 0.89 in (2017) |
| May 26 | 91.9°F (1996) | 52.0°F (2005) | 1.30 in (2000) |
| May 27 | 97.0°F (2004) | 57.0°F (1998) | 2.00 in (2009) |
| May 28 | 95.0°F (1989) | 53.1°F (1997) | 1.70 in (2020) |
| May 29 | 97.0°F (2019) | 53.1°F (1997) | 1.61 in (2023) |
| May 30 | 91.9°F (1991) | 54.0°F (2000) | 2.00 in (1992) |
| May 31 | 98.1°F (2019) | 53.1°F (1996) | 2.60 in (1992) |