Charleston Weather in May
May in Charleston averages 25°C (77°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 119 mm (4.7 in) on average. An umbrella is a good idea.
Rainfall in Charleston in May
Expect around 15 days of rain based on historical data, with 119 mm (4.7 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Charleston in May
May in Charleston brings high temperatures, with highs of 25°C (77°F) and nights around 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you prefer dry days with pleasant temperatures, April, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Charleston's climate page.
Charleston Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
25°C (77°F)
Chance of Rain
49%
Precipitation
119 mm (4.7 in)
Rainy days
15 days
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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What to Wear in Charleston in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Charleston in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Charleston's climate page.
See the full Charleston climate overview or explore weather in the United States of America.
