December 30 is generally a great time to visit Charleston. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 16°C weather. Expect a bustling atmosphere in Charleston right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Charleston
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Charleston Weather Forecast for December 30
"Mild & Comfortable. Expect average highs of 16.1°C. 17% chance of rain."
What to Wear in Charleston in December
Based on historical data for December 30, Charleston typically experiences temperatures between 9°C and 16.1°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Charleston
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16.1°C
Daytime Peak
Average Low
9°C
Nighttime Low
Feels Like
16.1°C
🌤️ Feels accurate
Rain Chance
17%
Avg 0.7mm if it rains
Cloud Cover
52%
Overcast
Pressure
1020.1 hPa
Medium volatility
Charleston Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.5°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
93/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~128
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Charleston
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:22
☀️ Noon
12:23
🌇 Sunset
17:23
⏱️ Daylight
10h 1m
Wind Speed
18.5 km/h
Gentle breeze
Sunshine
6.9 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Charleston
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Charleston
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Charleston on December 30 averages 16.1°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 88/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Charleston Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 3
14.8°C • 17% rain
Score
93
December 24
14.8°C • 24% rain
Score
92
December 25
14.5°C • 22% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 30) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Charleston Worth Visiting on December 30?
Planning a trip to Charleston on December 30? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.1°C with a 17% historical precipitation risk.
✈️ Travel Logistics: Approximately 128 landing slots available daily during this period, indicating manageable crowd levels.
🌊 Coastal Conditions: Water temperature averages 11.7°C (polar plunge). Wave conditions are generally fun waves with heights around 0.78m.
📊 Historical Extremes: The hottest December 30 recorded in the last 30 years saw temperatures hit 24.4°C in 2015, while the coldest dropped to 1.1°C in 2017.