Typical Weather in Charleston, SC in May
79° F Avg High
68° F Avg Low
4 Rainy Days
☀️ Temperature Summary
Highs in May are typically around 79°F, which is warmer than usual in Charleston. Lows overnight are typically around 68°F. Temperatures will generally increase as the month goes on, with daily high temperatures ranging between 75°F and 82°F.
The warm, dry temperatures in May make Charleston a great destination to relax and soak up the sun.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 14% chance of rain for any given day in May. It's one of the drier months of the year for Charleston, with total rainfall for the month around 3 inches.
Rainfall Throughout the Year
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