What can you expect for your July 4 weather? - WCIV-TV | ABC News 4 - Charleston News, Sports, Weather

What can you expect for your July 4 weather?

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By Dave Williams

CHARLESTON, S.C. (WCIV) – Independence Day is the quintessential holiday of summer. In the Lowcountry, that means being at the pool, the beach, on a boat, fishing from a pier, or at a cookout.

And nighttime brings breathtaking fireworks displays. 

The weather is certainly a key factor in what boils down to be an outdoor holiday.

Here's the examination of the Fourth of July weather strictly by the numbers, since 1938.

The average high in that stretch is 89 degrees with the highest temperature recorded at 98 degrees in 1993.  Incidentally, that year also has the warmest starting temperature at 78 degrees.  The temperature has hit or exceeded 90 degrees 40 out of the 75 years, which equates to 53 percent of the time.

The coolest daytime high was in 1940, when the temperature was obviously held down by clouds and 1.44 inches of rain. On that day the mercury only climbed to 77 degrees.  The coolest temperature recorded was 61 degrees, fresh in the memory, in 2010.

Aside from January, 2013 has been extremely soggy, so an investigation into the rain totals is in order.  There has been measurable precipitation in 31 out of 75 years, or 41 percent of the time.  Rain has stayed away from the Lowcountry for the past 11 Independence Days.

That means we might be due.

In case it does happen to be a hot one, these are some things to do to avoid over exposure to the heat: slow down and try to stay in the air conditioning; wear light-colored, loose fitting clothes; stay hydrated by consuming plenty of fluid – non-alcoholic and decaffeinated beverages are suggested.

Don't get too much sun, and be sure to slather on the SPF 30 sunscreen often.

Summertime thunderstorms are certainly possible, especially with the recent soggy weather pattern. Thunderstorms present their own host of hazards, such as heavy rain, gusty winds, but most importantly lightning.

Lightning can heat the air and anything else it contacts to 50,000 degrees, or five times hotter than the sun. Make sure not to seek refuge under a tree, or remain on the beach, because you will be the tallest object, and lightning tends to hit the highest spot in its reach.

Take cover, and remember the phrase, "When lightning roars, move indoors!"

Have a safe and enjoyable holiday to celebrate freedom and the independence of this great country.  Happy Fourth of July!

  • Dave Williams

    Email: dwilliams@abcnews4.com Reporter Profile

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