Hurricanes and Tornadoes That Hit Mc Clellanville, SC

The nearest NOAA station with 1991–2020 climate normals is Mcclellanville 7 NE, SC, 7 miles northeast of Mc Clellanville at 9 feet. July is the warmest, with an average high of 88°F and low of 73°F; January is the coolest, at 58°F and 39°F. August is the wettest at 8.3 inches of precipitation on average and November the driest at 2.8 inches; the year adds up to 55.6 inches over 74 days with at least a tenth of an inch. June to November, the hurricane season months, bring 62% of the year's precipitation (34.4 of 55.6 inches); the other six months are drier. September has brought the most of the 114 tropical systems that passed within 75 miles (37); a normal September there has highs of 83°F and 6.8 inches of precipitation. Highs reach 90°F on about 26 days a year, almost all from May to September. Lows fall below freezing on about 20 nights a year. That 55.6 inches is more than at 71 of the 78 South Carolina stations used on this site (91%). Awendaw, 15 miles southwest, has its own station (Sullivans Is, SC): 51.6 inches a year, 4.0 less than here, and a July average high of 91°F against 88°F.

Since 1996, the National Weather Service has logged 27 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mc Clellanville: 17 thunderstorm wind reports, 7 flash floods, 1 flood, 1 heavy rain event and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $132,000 in property and crop damage. The strongest thunderstorm gust on record here was 63 mph, on July 3, 2019. December has had the most flash floods, 3 of 7. Of the 241 South Carolina cities on this site with a flash flood on record, 88 have had fewer than Mc Clellanville.

Flood insurance policyholders in Mc Clellanville's ZIP code 29458 have filed 105 claims with the National Flood Insurance Program since 1979, and were paid $3.0 million for buildings and contents, in the dollars of each year. The most came from Hurricane Hugo in 1989: 66 claims (63% of all) and $2.8 million, then October severe storms in 2015 with 10. 85% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 110 South Carolina cities on this site with 10 or more claims, 78 have fewer than Mc Clellanville.