- Explore cheap accommodation around the world
- Choose from over 36,000 properties in in over 170 countries
- Get instant confirmation & 24/7 customer service
Charleston weather in May 2025
Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Charleston in May. Check more long-term weather averages for Charleston in May before you book your next holiday to South Carolina in 2025/2026.
- 2727°C max day temperature
- 9 hours of sunshine per day
- 99 days with some rainfall
- 1919°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 9595 mm of monthly rainfall
- 99 (Very High) UV index
- 2222°C sea temperature
More about Charleston
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Charleston by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for South Carolina
The May weather guide for South Carolina (Charleston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Charleston in May?
Daytime temperatures usually reach 27°C in Charleston in May with moderate heat and humidity, falling to 19°C at night.
How sunny is it in Charleston in May?
There are normally 9 hours of bright sunshine each day in Charleston in May - that's 68% of daylight hours.
How warm is the sea around Charleston in May?
The average sea temperature around Charleston in May is 22°C.
Does it rain in Charleston in May?
There are usually 9 days with some rain in Charleston in May and the average monthly rainfall is 95mm.
Charleston May sunrise & sunset times
Browse the sunrise and sunset times for Charleston in May 2025. Select a month to view Charleston sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 05:32 | 19:02 |
Friday, 16th May 2025 | 05:20 | 19:13 |
Saturday, 31st May 2025 | 05:13 | 19:23 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport