<P> The summer season is long, hot, and humid in Myrtle Beach . Average daytime highs are from 83 to 91 ° F (28 to 33 ° C) and average night - time lows are near 70 ° F (21 ° C). The coastal location of Myrtle Beach mitigates summer heat somewhat compared to inland areas of South Carolina: Thus, while nearby Florence averages 65 days annually with high temperatures of 90 ° F or higher--Myrtle Beach averages only 21 . The Bermuda High pumps in humidity from the tropical Atlantic toward Myrtle Beach, giving summers a near tropical feel in the city . The warm Atlantic Ocean reaches 80 ° F or higher in the summer months off Myrtle Beach, making for warm and sultry summer nights . Summer thunderstorms are common in the hot season in Myrtle Beach, and the summer months from June through September have the most precipitation . In summer, thunderstorms normally build during the heat of the day--followed by brief and intense downpours . </P> <P> Myrtle Beach has mostly mild winters of short duration: Average daytime highs range from 57 to 61 ° F (14--16 ° C) and nighttime lows are in the 36 to 38 ° F (2--3 ° C) from December through February . Winter temperatures vary more than summer temperatures in Myrtle Beach: Some winters can see several cold days with highs only in the upper 40s F (7--9 ° C), while other winter days can see highs in the upper 60s and low 70s F (19--23 ° C). Myrtle Beach averages 33 days annually with frost, though in some years less than 15 days will see frost . Snowfall is very rare in Myrtle Beach, however a few times every 15 or 20 years a trace of snow might fall . In February 2010, a rare 2.8 inches (71 mm) of snow fell in Myrtle Beach . The spring (March, April and May) and fall (September, October and November) months are normally mild and sunny in Myrtle Beach, with high temperatures in the 60s and 70s . The beach season in Myrtle Beach normally runs from late April through late October . SST (Sea Surface Temperatures) are often in the lower 80's (26--28 ° C) off South Carolina in summer and early fall . </P> <P> Summer thunderstorms can be severe, but are brief, but tornadoes are rare . Tropical cyclones occasionally impact Myrtle Beach, though weaker tropical storms and weak tropical lows are more common . Like most areas prone to tropical cyclones, a direct hit by a major hurricane is infrequent in Myrtle Beach . The last hurricane to cause significant damage in Myrtle Beach was Hurricane Hugo in 1989 . The worst hurricane in Myrtle Beach's history was Hurricane Hazel in 1954 . </P> <Table> <Tr> <Th_colspan="14"> hide Climate data for Myrtle Beach (1988 − 2010 normals) </Th> </Tr> <Tr> <Th> Month </Th> <Th> Jan </Th> <Th> Feb </Th> <Th> Mar </Th> <Th> Apr </Th> <Th> May </Th> <Th> Jun </Th> <Th> Jul </Th> <Th> Aug </Th> <Th> Sep </Th> <Th> Oct </Th> <Th> Nov </Th> <Th> Dec </Th> <Th> Year </Th> </Tr> <Tr> <Th> Record high ° F (° C) </Th> <Td> 83 (28) </Td> <Td> 85 (29) </Td> <Td> 94 (34) </Td> <Td> 96 (36) </Td> <Td> 101 (38) </Td> <Td> 106 (41) </Td> <Td> 104 (40) </Td> <Td> 106 (41) </Td> <Td> 102 (39) </Td> <Td> 98 (37) </Td> <Td> 89 (32) </Td> <Td> 84 (29) </Td> <Td> 106 (41) </Td> </Tr> <Tr> <Th> Average high ° F (° C) </Th> <Td> 56.3 (13.5) </Td> <Td> 58.6 (14.8) </Td> <Td> 64.2 (17.9) </Td> <Td> 71.9 (22.2) </Td> <Td> 78.9 (26.1) </Td> <Td> 84.7 (29.3) </Td> <Td> 87.7 (30.9) </Td> <Td> 86.9 (30.5) </Td> <Td> 83.7 (28.7) </Td> <Td> 75.8 (24.3) </Td> <Td> 67.8 (19.9) </Td> <Td> 58.2 (14.6) </Td> <Td> 72.9 (22.7) </Td> </Tr> <Tr> <Th> Average low ° F (° C) </Th> <Td> 36.7 (2.6) </Td> <Td> 38.0 (3.3) </Td> <Td> 44.2 (6.8) </Td> <Td> 51.8 (11) </Td> <Td> 60.5 (15.8) </Td> <Td> 68.9 (20.5) </Td> <Td> 72.8 (22.7) </Td> <Td> 71.1 (21.7) </Td> <Td> 65.8 (18.8) </Td> <Td> 54.6 (12.6) </Td> <Td> 45.0 (7.2) </Td> <Td> 37.3 (2.9) </Td> <Td> 53.9 (12.2) </Td> </Tr> <Tr> <Th> Record low ° F (° C) </Th> <Td> (− 16) </Td> <Td> 11 (− 12) </Td> <Td> 12 (− 11) </Td> <Td> 22 (− 6) </Td> <Td> 35 (2) </Td> <Td> 42 (6) </Td> <Td> 51 (11) </Td> <Td> 55 (13) </Td> <Td> 45 (7) </Td> <Td> 22 (− 6) </Td> <Td> 16 (− 9) </Td> <Td> 8 (− 13) </Td> <Td> (− 16) </Td> </Tr> <Tr> <Th> Average precipitation inches (mm) </Th> <Td> 3.31 (84.1) </Td> <Td> 3.43 (87.1) </Td> <Td> 3.60 (91.4) </Td> <Td> 2.51 (63.8) </Td> <Td> 3.14 (79.8) </Td> <Td> 4.38 (111.3) </Td> <Td> 5.68 (144.3) </Td> <Td> 6.19 (157.2) </Td> <Td> 6.33 (160.8) </Td> <Td> 3.91 (99.3) </Td> <Td> 2.50 (63.5) </Td> <Td> 3.27 (83.1) </Td> <Td> 48.24 (1,225.3) </Td> </Tr> <Tr> <Th> Average snowfall inches (cm) </Th> <Td> 0 (0) </Td> <Td> 0.1 (0.3) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0.6 (1.5) </Td> <Td> 0.8 (2) </Td> </Tr> <Tr> <Th> Average precipitation days (≥ 0.01 in) </Th> <Td> 8.5 </Td> <Td> 6.8 </Td> <Td> 7.0 </Td> <Td> 5.9 </Td> <Td> 7.7 </Td> <Td> 8.7 </Td> <Td> 9.9 </Td> <Td> 10.6 </Td> <Td> 8.4 </Td> <Td> 6.0 </Td> <Td> 5.7 </Td> <Td> 7.6 </Td> <Td> 92.8 </Td> </Tr> <Tr> <Th> Average snowy days (≥ 0.1 in) </Th> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0.1 </Td> <Td> 0.1 </Td> </Tr> <Tr> <Td_colspan="14"> Source: (1) </Td> </Tr> </Table>

When was the last time myrtle beach had a hurricane
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