Charleston

South Carolina, USA

🌧️
17°C (63°F)
Feels like 15°C (59°F)

December Weather Details

🌡️ Temperature

Daytime Highs
17°C
(63°F)
Nighttime Lows
9°C
(48°F)

Mild and rainy with a feels-like temperature of 15°C (59°F) .

🌧️ Rainfall

High

December rainfall patterns vary by location. Check local forecasts for specific precipitation amounts.

💧 Humidity

77% Average

Humidity levels affect how the temperature feels. Higher humidity makes warm temperatures feel hotter.

☀️ Sunshine

6-7 hours daily

December days are shorter in the northern hemisphere. Plan activities accordingly.

🌊 Ocean & Beaches

Water Temperature
14° C
( 57 °F)
Surf Conditions
Calm to moderate

Nearby Folly Beach is pleasant for walks in December, too cool for most swimmers

Temperature, humidity and rainfall are December averages for 2015–2024 (water temperature: Decembers 2022–2024) from Open-Meteo (ERA5 reanalysis), licensed CC BY 4.0.

🎯 Popular Activities

Activities

  • Historic tours
  • Holiday lights
  • Lowcountry cuisine
  • Plantation visits
  • Carriage rides

Attractions

  • Historic District
  • Rainbow Row
  • Magnolia Plantation
  • Fort Sumter
  • Holiday Festival of Lights

💰 Cost of Living

$2,600
estimated per month
SOLO TRAVELERS

📶 Internet Speed

80
Mbps
Estimated average speed

📊 Quick Facts

Weather Mild and rainy
Humidity 77%

✅ December Summary

December in Charleston offers mild and rainy weather with temperatures ranging from 9°C (48°F) to 17°C (63°F). The humidity is around 77% and you can expect 6-7 hours daily. Popular activities include Historic tours, Holiday lights, Lowcountry cuisine and more. For digital nomads, the cost of living is approximately $2,600 per month and internet speeds average 80 Mbps.