Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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.
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
Charleston Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Charleston - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Charleston 3-Day Forecast
More climate data for Charleston
See the full Charleston climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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