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Climate in Charleston, South Carolina

South Carolina, United States

What the climate feels like in Charleston, South Carolina

Use this climate view to understand seasonal comfort in Charleston, South Carolina, including heat, winter conditions, air quality and weather risks.

Start with Overall Comfort: 4. 2 / 5 · Very Good; Summer Feel: 3. 3 / 5 · Good.

  • Overall Comfort 4.2 / 5 · Very Good
  • Summer Feel 3.3 / 5 · Good
  • Average Summer High Hot · 97°F

Climate metrics

Overall Comfort 4.2 / 5 · Very Good
Summer Feel 3.3 / 5 · Good
Average Summer High Hot · 97°F
Days Above 90°F 47 days/year
Winter Feel 4.9 / 5 · Excellent
Average Winter Low 45°F / 7°C
Days Below Freezing 15 days/year
Humidity Humid · 78% average
Comfortable Months 9 months
Solar Exposure 1,698 peak-sun-hr/yr · Moderate
Air Quality 3.8 / 5 · Very Good
Current AQI AQI 58 · Moderate
Recent Fine-Particle Pollution Good · 6.6 µg/m³ multi-year average
Best Months APR, MAY, OCT
Toughest Months JAN, JUL, AUG
Allergy Levels Poor
Heat Risk Moderate
Drought Risk Moderate
Weather Volatility 3.6 / 5 · Strong