30YearWeather
Charleston, July 22
Charleston street view during July
Historical Weather Analysis

Charleston Weather on July 22 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

30.9°C

High

25°C

Low

40%

Rain

🔥 Feels like 40.2°C (humidity)

rain
IT'S A GAMBLE
Peak Season

July 22 sees frequent showers in Charleston. Historical data shows a 40% chance of rain, so pack accordingly. Temperatures average 31°C. Charleston is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Charleston Weather Forecast for July 22

"Warm & Sunny. Expect average highs of 30.9°C. 40% chance of rain."

What to Wear in Charleston in July

Based on historical data for July 22, Charleston typically experiences temperatures between 25°C and 30.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 40% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Charleston

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

30.9°C

Daytime Peak

Average Low

extreme-cold

25°C

Nighttime Low

Feels Like

partly-cloudy-day

40.2°C

🔥 Heat index effect

Rain Chance

rain

40%

Avg 2.9mm if it rains

Cloud Cover

cloudy

57%

Light drizzle

Pressure

pressure

1016.2 hPa

Low volatility

Charleston Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±1.9°CStable
Precipitation
20-60%Predictable

🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.7Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 14 min to burn

Type III-IV

🟡 21 min to burn

Type V-VI

🟢 35 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

42Poor
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

26.8°C

Humid/Sticky

Heat Index

40.2°C

Feels hotter

😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)

Marine Conditions

Water Temp
30.7°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.66m
🌊 Fun Waves
Max daily wave height
Advisories

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

05:27

☀️ Noon

12:27

🌇 Sunset

19:26

⏱️ Daylight

13h 58m

Golden Hour
Morning05:27 - 06:03
18:51 - 19:26Evening

Wind Speed

wind

18.9 km/h

Gentle breeze

Sunshine

clear-day

11.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

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

68/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
36AQI
Good
PM2.5 Concentration9.1 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Jul (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Charleston on July 22 averages 30.9°C with a 40% 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

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
35.8°C
Coldest
2021
24.5°C
Rainiest
2025
15.4mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (July 22) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Charleston Worth Visiting on July 22?

Planning a trip to Charleston on July 22? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 30.9°C with a 40% historical precipitation risk.

✈️ Travel Logistics: Approximately 118 landing slots available daily during this period, indicating manageable crowd levels.

🌊 Coastal Conditions: Water temperature averages 30.7°C (hot soup). Wave conditions are generally fun waves with heights around 0.66m.

📊 Historical Extremes: The hottest July 22 recorded in the last 30 years saw temperatures hit 35.8°C in 2023, while the coldest dropped to 24.5°C in 2021.

Charleston Weather FAQ