Charleston Weather in May
With daytime temperatures of 26°C (79°F) and nighttime lows of 15°C (59°F), May in Charleston brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 142 mm (5.6 in) falls on average.
Rainfall in Charleston in May
You can expect rain on roughly 12 days based on historical data, averaging 142 mm (5.6 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Charleston in May
Expect highs of 26°C (79°F) in Charleston in May, with nights dropping to around 15°C (59°F). Overall, the month follows a fairly predictable daily temperature pattern. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Charleston.
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
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
40%
Precipitation
142 mm (5.6 in)
Rainy days
12 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
pleasant
tolerable
unpleasant
poor
What to Wear in Charleston in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. 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.
