July 15 sees frequent showers in Charleston. Historical data shows a 44% chance of rain, so pack accordingly. Temperatures average 30°C. As it's peak season for Charleston, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
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 July 15
"Warm & Sunny. Expect average highs of 30.3°C. 44% chance of rain."
What to Wear in Charleston in July
Based on historical data for July 15, Charleston typically experiences temperatures between 24.9°C and 30.3°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 44% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Charleston
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
30.3°C
Daytime Peak
Average Low
24.9°C
Nighttime Low
Feels Like
38.6°C
🔥 Heat index effect
Rain Chance
44%
Avg 3.2mm if it rains
Cloud Cover
62%
Light drizzle
Pressure
1016.9 hPa
Low volatility
Charleston Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.5°C
Humid/Sticky
Heat Index
38.6°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United States
Flight Traffic
High
86/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~118
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Charleston
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:23
☀️ Noon
12:26
🌇 Sunset
19:29
⏱️ Daylight
14h 6m
Wind Speed
16.7 km/h
Gentle breeze
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Charleston
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Charleston
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
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 July 15 averages 30.3°C with a 44% precipitation probability. Wedding/Outdoor Event Score: 80/100."
— 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
July 19
30.8°C • 33% rain
Score
85
July 18
30.6°C • 36% rain
Score
84
July 17
30.5°C • 38% rain
Score
83
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (July 15) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Charleston Worth Visiting on July 15?
Planning a trip to Charleston on July 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.3°C with a 44% historical precipitation risk.
✈️ Travel Logistics: Approximately 118 landing slots available daily during this period, indicating manageable crowd levels.
🌊 Coastal Conditions: Water temperature averages 30.3°C (hot soup). Wave conditions are generally fun waves with heights around 0.66m.
📊 Historical Extremes: The hottest July 15 recorded in the last 30 years saw temperatures hit 32.5°C in 2024, while the coldest dropped to 23.6°C in 2022.