Charleston · WinterMonth summary
Charleston weather in December
✅ Good
🌡️ Temperature min / max
46°F – 63°F
🌧 Rainy days
30% of days
☀️ Sunshine
9.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
April (8.3/10)
Quick decision
Should you visit Charleston in December?
✅ Good
✅ Yes if: you want to explore the city on foot without suffering from heat.
❌ No if: you're looking for a beach destination — water and air are still cool.
Our take: December is a good time to visit Charleston. April remains slightly better (+1.3 pts).
By trip type
Charleston in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in December
In December, Charleston sees 17°F during the day with 9.0h of sunshine per day. Expect rain on 30% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. April (8.3/10) is significantly better if possible.
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All months for Charleston
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 43°F | 57°F | 32% | 0.1in | 9.2h | 6.2/10 |
| 🌤️ February | 48°F | 64°F | 29% | 0.1in | 10.0h | 7.2/10 |
| 🌤️ March | 54°F | 68°F | 28% | 0.1in | 10.9h | 7.5/10 |
| 🌤️ April | 61°F | 75°F | 24% | 0.1in | 12.4h | 8.3/10 |
| 🌤️ May | 68°F | 81°F | 38% | 0.1in | 13.0h | 8.3/10 |
| 🌤️ June | 73°F | 84°F | 54% | 0.2in | 12.9h | 7.7/10 |
| 🌤️ July | 77°F | 88°F | 57% | 0.2in | 12.9h | 7.4/10 |
| ⛅ August | 75°F | 86°F | 64% | 0.2in | 12.1h | 7.3/10 |
| 🌤️ September | 72°F | 82°F | 45% | 0.2in | 11.7h | 7.9/10 |
| ☀️ October | 63°F | 77°F | 24% | 0.1in | 10.4h | 8.1/10 |
| 🌤️ November | 52°F | 68°F | 25% | 0.1in | 9.9h | 7.4/10 |
| ⛅ December | 46°F | 63°F | 30% | 0.1in | 9.0h | 7.0/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Charleston averages 63°F, 30% rainy days and 9.0h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
December vs April (best month)
The best month is April (score 8.3/10). Difference:
- 🌡️ Max temperature : +7°F
- 🌧 Rainy days : -6%
- ☀️ Sunshine : +3.4h/day
FAQ
FAQ — Charleston in December
Is December a good time to visit Charleston?
December is an acceptable time for Charleston (score 7.0/10). Conditions are decent but not optimal — consider April (8.3/10) if possible.
What to do in Charleston in December?
With 63°F max and 9.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Charleston
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