Myrtle Beach May Weather

Averages and records for weather in Myrtle Beach, South Carolina in the month of May.
Typical Myrtle Beach May Weather
1991–2020
Average daily high 78.9 °F
Average daily low 62.6 °F
Average monthly precipitation 3.5 inches
Daily chance of precipitation 31.8%
Myrtle Beach May Weather Records
1949–2024
Highest temperature 99 °F May 29, 2019
Lowest temperature 42 °F May 11, 1954
Highest daily low 78 °F May 30, 2019
Lowest daily high 59 °F May 18, 2009
Hottest average high temperature 85.8 °F 1953
Coldest average high temperature 75.4 °F 2005
Most daily precipitation 5.1 inches May 10, 2015
Most monthly precipitation 6.8 inches 2015
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
May 1 75.8 58.0 90 45
May 2 76.0 58.4 90 48
May 3 76.2 58.8 87 49
May 4 76.3 59.1 88 45
May 5 76.5 59.3 91 47
May 6 76.6 59.6 93 44
May 7 76.8 59.9 86 45
May 8 77.0 60.2 92 45
May 9 77.3 60.5 88 44
May 10 77.5 60.7 87 44
May 11 77.7 60.9 90 42
May 12 78.0 61.2 93 44
May 13 78.2 61.6 93 44
May 14 78.5 61.9 88 45
May 15 78.8 62.3 91 47
May 16 79.0 62.6 89 48
May 17 79.2 62.9 87 52
May 18 79.4 63.1 87 51
May 19 79.7 63.4 90 51
May 20 79.9 63.8 93 46
May 21 80.2 64.1 88 43
May 22 80.4 64.6 92 44
May 23 80.6 64.8 94 43
May 24 80.7 65.1 95 46
May 25 80.9 65.3 93 46
May 26 81.0 65.5 97 53
May 27 81.2 65.8 95 52
May 28 81.4 66.1 93 56
May 29 81.7 66.5 99 50
May 30 82.0 66.8 90 50
May 31 82.2 67.2 98 51
Weather Station Details
Years Station Coordinates
1949–2024 Grand Strand Airport location