When to go · Charleston, South Carolina

Charleston, South Carolina in August

Avoid month. Listed as a month to avoid: Jun–Aug (heat and humidity), peak hurricane season Sep–Oct.

Key facts

Verdict: Avoid
Temperature: 32°C (90°F)90°F (32°C) / 23°C (73°F)73°F (23°C); average high / low
Rain days: 12
Crowds: High; United States overall
Prices: High; United States overall

Plan around it

Verdict

AvoidBest and avoid months for Charleston, South Carolina

Listed as a month to avoid: Jun–Aug (heat and humidity), peak hurricane season Sep–Oct.

August is rated avoid. These months rate higher:

Long-term averages

Charleston, South CarolinaHighs around 32 °C (90 °F), lows around 23 °C (73 °F), rain on about 12 daysHighs around 90 °F (32 °C), lows around 73 °F (23 °C), rain on about 12 days

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

Weather, crowds and prices for any two months in Charleston, South Carolina, side by side.

First month

Second month

August: Listed as a month to avoid: Jun–Aug (heat and humidity), peak hurricane season Sep–Oct.

March: Inside Charleston, South Carolina's best window: Mar–May, Oct–Nov.

Charleston, South Carolina: figures are long-term averages from this guide, not a forecast.