Weather in Charleston in December
Charleston, United States averages a high of 5.1°C (41.2°F) and low of -2.4°C (27.7°F) in December, with 8 rain days and 5.4 hours of daily sunshine. Travel score: 48.2/100 (Mixed). The best time to visit Charleston is September.
High
5°C41°F
Low
-2°C28°F
🌧️
8
rain days
☀️
5.4
hrs/day sunshine
💧
73%
humidity
48— Mixed
December in Charleston is cold and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Charleston?
How much does it rain in Charleston in December?
Charleston receives an average of 69.3mm of rainfall across 8 rainy days in December. The annual total is 1008.5mm.
What should I pack for Charleston in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 5°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around -2°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31