Best time to visit Charleston
The best months to visit Charleston are April, October and November, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
April, October and November score best for Charleston weather:
- April23° / 15°CWarm, leafy, and busy before summer humidity; book historic-house and restaurant plans ahead.
- October25° / 16°CComfortable fall weather, strong for walking tours, food weekends, and barrier-island time.
- November20° / 10°CCooler and drier, with oyster-roast season and very good sightseeing conditions.
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By TripSapien Research · Updated May 20, 2026
Charleston weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight | Sea |
|---|---|---|---|---|---|---|
| January | 15° | 6° | 73 | 11 | 10h | 10° |
| February | 17° | 8° | 82 | 11 | 11h | 13° |
| March | 20° | 11° | 79 | 12 | 12h | 16° |
| AprilBest weather | 23° | 15° | 76 | 11 | 13h | 21° |
| May | 27° | 19° | 65 | 14 | 14h | 26° |
| June | 30° | 23° | 128 | 21 | 14h | 28° |
| July | 31° | 25° | 147 | 24 | 14h | 30° |
| August | 30° | 24° | 159 | 25 | 14h | 30° |
| September | 28° | 22° | 133 | 19 | 13h | 26° |
| OctoberBest weather | 25° | 16° | 97 | 12 | 12h | 22° |
| NovemberBest weather | 20° | 10° | 63 | 10 | 11h | 16° |
| December | 17° | 8° | 91 | 12 | 10h | 12° |
Temperatures in °C. Long-term monthly averages.
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Charleston month by month
January
Charleston in January: 15°C high, 5.8°C low, 72.9mm rain over 11 days, 10.2h daylight. Mild and dry — shoulder-season sweet spot.
Lowcountry Oyster Festiva · Southeastern Wildlife Exhibition · Charleston Wine + Food
February
Charleston in February: 16.7°C high, 7.6°C low, 81.6mm rain over 11 days, 10.6h daylight. Mild and dry — shoulder-season sweet spot.
Lowcountry Oyster Festiva · Southeastern Wildlife Exhibition · Charleston Wine + Food
March
Charleston in March: 19.6°C high, 10.7°C low, 79.2mm rain over 12 days, 11.5h daylight. Mild and dry — shoulder-season sweet spot.
Lowcountry Oyster Festiva · Southeastern Wildlife Exhibition · Charleston Wine + Food
AprilBest weather
Charleston in April: 23.1°C high, 14.6°C low, 75.6mm rain over 11 days, 12.6h daylight. Mild and dry — shoulder-season sweet spot.
Lowcountry Oyster Festiva · Southeastern Wildlife Exhibition · Charleston Wine + Food
May
Charleston in May: 26.6°C high, 19.1°C low, 64.6mm rain over 14 days, 13.5h daylight. Mild but rainy — flexible plans pay off.
Spoleto Festival USA · Piccolo Spoleto Festival · Charleston Farmers Market
June
Charleston in June: 29.6°C high, 23°C low, 128.4mm rain over 21 days, 14.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
Spoleto Festival USA · Piccolo Spoleto Festival · Charleston Farmers Market
July
Charleston in July: 30.9°C high, 24.6°C low, 147.4mm rain over 24 days, 14.3h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
Charleston Farmers Market
August
Charleston in August: 30.3°C high, 24.2°C low, 158.6mm rain over 25 days, 13.7h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
Charleston Farmers Market
September
Charleston in September: 28.3°C high, 21.6°C low, 132.6mm rain over 19 days, 12.8h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.
Moja Art Festival · Boone Hall Pumpkin Patch And Corn Maze · Charleston Farmers Market
OctoberBest weather
Charleston in October: 24.5°C high, 16.1°C low, 96.5mm rain over 12 days, 11.8h daylight. Mild and dry — shoulder-season sweet spot.
Taste of Charleston · Moja Art Festival · Boone Hall Pumpkin Patch And Corn Maze
NovemberBest weather
Charleston in November: 19.8°C high, 10.3°C low, 62.6mm rain over 10 days, 10.8h daylight. Mild and dry — shoulder-season sweet spot.
Charleston Farmers Market
December
Charleston in December: 16.5°C high, 7.6°C low, 90.7mm rain over 12 days, 10.2h daylight. Mild and dry — shoulder-season sweet spot.
Christmas in Charleston
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