Charleston Weather in May
United States · 30-year monthly averages
👍 Good time to visit
May in Charleston is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 17°C (63°F). Expect roughly 84mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
Avg high
29°C
84°F
Avg low
17°C
63°F
Rainfall
84mm
moderate
Rainy days
6
days with ≥1mm
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
May vs the rest of the year
FAQ
- How hot is Charleston in May?
- May in Charleston is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 17°C (63°F). Expect roughly 84mm of precipitation spread over about 6 rainy days, with a moderate amount of rain.
- Does it rain a lot in Charleston in May?
- Charleston sees around 84mm of precipitation in May on average — moderate by global standards.
- Is May a good time to visit Charleston?
- May is a good month to visit Charleston, with generally agreeable conditions.