Charleston month by month
Plan your visit to Charleston by month. Compare weather, crowds, events, and prices across all twelve months with historical climate data.
- January
- High
- 14°C
- Low
- 6°C
- Rain
- 91 mm
January in Charleston is oyster season at its absolute peak. It's the coldest month on the calendar, but the Lowcountry stays mild compared to anything north of Virginia. The…
- February
- High
- 17°C
- Low
- 9°C
- Rain
- 84 mm
February is the month to visit Charleston if you want the city largely to yourself. Daytime highs tend to settle in the mid-to-upper teens Celsius (low 60s Fahrenheit), comfortable…
- March
- High
- 20°C
- Low
- 12°C
- Rain
- 93 mm
March in Charleston is defined by two things. The Charleston Wine + Food Festival, typically running during the first full week, draws chefs, sommeliers, and food-industry…
- April
- High
- 23°C
- Low
- 15°C
- Rain
- 81 mm
April is, by most measures, Charleston's finest month. Azaleas peak across the peninsula's historic gardens. Magnolias open along South Battery. Afternoon highs settle around 23°C…
- May
- High
- 27°C
- Low
- 19°C
- Rain
- 89 mm
May in Charleston tends to be the last comfortable month before Lowcountry summer settles in. Temperatures average 26.7°C (80°F) during the day and drop to 19.4°C (67°F) at night,…
- June
- High
- 29°C
- Low
- 23°C
- Rain
- 121 mm
June in Charleston opens with the final stretch of Spoleto Festival USA. The 17-day performing arts festival fills Dock Street Theatre and concert halls across the peninsula with…
- July
- High
- 31°C
- Low
- 25°C
- Rain
- 143 mm
July is the second-hottest month on Charleston's calendar. Daytime temperatures reach 31°C (88°F), and the Lowcountry humidity pushes most afternoons well past the point of…
- August
- High
- 30°C
- Low
- 24°C
- Rain
- 202 mm
August is Charleston's wettest month, with rain falling on roughly 20 of the 31 days. Most of it arrives as afternoon thunderstorms that build between 2 and 5 PM over the…
- September
- High
- 28°C
- Low
- 21°C
- Rain
- 130 mm
September in Charleston sits at the statistical peak of Atlantic hurricane season, and that single fact shapes the entire calculus of a visit. The city is still hot, with afternoon…
- October
- High
- 24°C
- Low
- 16°C
- Rain
- 92 mm
October is when Charleston becomes properly enjoyable again. The heavy, wet heat that keeps locals off the streets through July and August finally loosens, and daytime highs settle…
- November
- High
- 20°C
- Low
- 12°C
- Rain
- 63 mm
November in Charleston is the driest month of the year. Hurricane season technically extends through the end of the month, but the probability of a direct hit at this latitude has…
- December
- High
- 16°C
- Low
- 8°C
- Rain
- 99 mm
December in Charleston centers on one defining reality. This is the Lowcountry's holiday season, and the city leans into it harder than almost anywhere else on the East Coast.…