North Charleston, South Carolina, boasts a subtropical climate, known for its warm and humid conditions.
Summers are particularly warm, with daily high temperatures ranging from 87°F to 91°F.
This coastal city enjoys a cooling effect from the ocean, making the heat more bearable compared to inland areas.
Winters in North Charleston are mild, with temperatures rarely dropping below freezing.
Rainfall is frequent, averaging about 49 inches annually. Though snow is rare, the city occasionally sees about an inch each year.
Monthly weather variations showcase a diverse climate.
The warmest month is August, with water temperatures around 83°F.
Meanwhile, March brings the coolest water temperatures, averaging below 67°F, indicating the clear seasonal shifts in this coastal region.
Average Temperature In North Charleston, South Carolina
In North Charleston, South Carolina, temperatures vary significantly over the year.
Summers are typically hot, with average high temperatures often reaching up to 90°F.
On some days, the maximum temperature can even climb to 95°F.
Winters are much cooler and can drop to an average low of around 42°F.
Occasionally, temperatures may fall as low as 29°F, making the region somewhat chilly for a short period.
| Month | Average High (°F) | Average Low (°F) |
|---|---|---|
| January | 60 | 42 |
| February | 63 | 45 |
| March | 69 | 50 |
| April | 76 | 57 |
| May | 83 | 65 |
| June | 88 | 72 |
| July | 90 | 75 |
| August | 90 | 74 |
| September | 85 | 70 |
| October | 77 | 59 |
| November | 69 | 50 |
| December | 62 | 44 |
Summer days in North Charleston can feel quite warm due to high humidity levels, making the perceived temperature even higher. This is common from late May through early September.
Winter’s brief duration means fewer colder days.
Though it’s windy, snow is rare, keeping most days mild.
Temperatures mainly stay above 45°F, providing a temperate climate year-round.
For those observing hourly temperatures, it’s common to see daily high temperatures around 90°F in the hottest months and lows around 45°F during the coldest months.
The city boasts about 230 days of sunshine annually, contributing to a generally warm and pleasant atmosphere most of the year.
Average Precipitation In North Charleston, South Carolina
North Charleston experiences various precipitation patterns throughout the year, including significant rainfall and minimal snowfall.
Average Rainfall In North Charleston, South Carolina
North Charleston receives a considerable amount of rainfall annually.
The area typically sees its wettest months between June and October, with August being the peak month, averaging around 7.8 inches of rain.
This period is considered the rainy season, contributing to the city’s lush greenery.
Rainfall in North Charleston varies significantly throughout the year, with drier months from November to May.
The total annual precipitation averages around 48 inches.
This consistent rainfall is vital for the local ecosystem and helps maintain the region’s natural beauty.
Average Snow In North Charleston, South Carolina
Snowfall in North Charleston is a rare occurrence. The city generally experiences mild winters, with temperatures rarely dropping low enough to produce snow.
When it does snow, it usually melts quickly due to warmer ground temperatures.
On average, snowfall amounts to less than an inch per year.
This minimal snow rarely disrupts daily life and often goes unnoticed by the residents.
For those interested in snow and ice, nearby regions might offer more opportunities for winter recreation. Snow and Ice articles might provide more information on how rare snow events impact the area.
Average Sun In North Charleston, South Carolina
North Charleston enjoys a generous amount of sunshine throughout the year. The area experiences a mix of sunny days, with variations in daylight hours depending on the season.
Average Daily Shortwave Solar Energy In North Charleston, South Carolina
The average daily shortwave solar energy in North Charleston shows seasonal changes.
During the summer months, particularly in June, the area receives the highest amount of sunlight. This is when days can be up to 14.3 hours long.
Winter months see shorter days and less solar energy. December days typically have the least amount of sunlight, averaging around 10 hours.
The annual average number of sunny days in North Charleston is approximately 201 days.
Most of the sunshine is concentrated in spring and summer, providing a bright and warm climate.
Average Humidity In North Charleston, South Carolina
North Charleston experiences varying humidity levels throughout the year.
Monthly Relative Humidity:
- January: 68%
- February: 67% (least humid month)
- March: 69%
- April: 71%
- May: 76%
- June: 78%
- July: 79%
- August: 79% (most humid month)
- September: 77%
- October: 75%
- November: 71%
- December: 69%
The dew point also affects how humid it feels. Higher dew points in the summer can make it feel more uncomfortable.
Humidity levels are typically higher in the summer months, especially in August at 79%. This is due to the warm temperatures combined with moist air from the ocean.
During winter, the humidity drops. February has the lowest relative humidity at 67%.
Humidity varies by season:
- Spring: Increasing from 69% in March to 76% in May
- Summer: High humidity, peaking in August
- Fall: Decreases from 77% in September to 71% in November
- Winter: Lower and more comfortable compared to summer
Average Wind In North Charleston, South Carolina
North Charleston, South Carolina experiences varied wind speeds throughout the year. Wind is an essential aspect of the local climate, influencing weather patterns and day-to-day conditions.
Monthly Wind Averages:
- January: 7.8 mph
- February: 8.2 mph
- March: 8.7 mph
- April: 8.3 mph
- May: 7.6 mph
- June: 7.0 mph
- July: 7.1 mph
- August: 7.0 mph
- September: 7.4 mph
- October: 7.5 mph
- November: 7.7 mph
- December: 7.9 mph
In North Charleston, the wind speed tends to peak in early spring, especially in March, when it averages 8.7 mph.
The average wind speeds are slightly lower in the summer months, around 7.0 mph, which provides a calm and pleasant atmosphere for outdoor activities.
Throughout the year, wind direction can provide insights into local weather. Coastal breezes often come from the east, bringing moisture from the Atlantic Ocean. Inland winds can blow from the west or northwest.
Notable Trends:
- Strongest winds: March
- Calmest month: June, July, and August
- Easterly winds: Common during summer
- Westerly winds: Seen in winter
Average Air Quality In North Charleston, South Carolina
In North Charleston, South Carolina, air quality is tracked using the Air Quality Index (AQI). This index measures pollutants like PM2.5 and PM10 that can affect health.
AQI Levels in North Charleston:
- Good (0-50): Air quality is considered satisfactory, and air pollution poses little or no risk.
- Moderate (51-100): Air quality is acceptable; however, some pollutants may be a moderate health concern for a very small number of people.
- Unhealthy for Sensitive Groups (101-150): Members of sensitive groups may experience health effects. The general public is not likely to be affected.
The AQI in North Charleston typically ranges from “Good” to “Moderate.” For real-time data, you can check platforms like IQAir or AccuWeather.
Factors Affecting Air Quality
- Weather Conditions: Rain helps reduce air pollution, while dry conditions can make it worse.
- Wind: Strong winds can disperse pollutants, improving air quality.
- Temperature: Warmer temperatures can lead to higher levels of ozone, a common pollutant.
Visibility and Health
Clear skies usually mean good air quality, improving visibility. When pollutants are high, visibility can be reduced, making it harder to see long distances.
Monitoring air quality is essential for those with respiratory conditions. It helps them plan activities and take precautions when necessary. Reliable data from WeatherBug and The Weather Channel can be invaluable.
Topography Of North Charleston, South Carolina
North Charleston is located at a latitude of 32.8546° N and a longitude of 79.9748° W. The city’s topography plays a significant role in its climate and lifestyle.
The area is mostly flat with some gentle rolling hills. This flat terrain makes it easier for agriculture and development.
The elevation ranges from about 20 to 50 feet above sea level.
North Charleston sits near the coast, which affects its weather patterns. The proximity to the Atlantic Ocean helps moderate temperatures. This coastal location also contributes to higher humidity levels and frequent rainfall.
The Ashley River and Cooper River flow through the city, adding to its scenic views and providing recreational opportunities. These rivers also create a fertile environment that supports a rich growing season.
Key Topographical Features
- Latitude: 32.8546° N
- Longitude: 79.9748° W
- Elevation: 20 to 50 feet above sea level
- Major Water Bodies: Ashley River, Cooper River
Climate Impact
The flat landscape and coastal location result in hot, humid summers and mild winters.
Average summer temperatures can reach the high 80s to low 90s Fahrenheit, while winter temperatures usually range from the 30s to 50s Fahrenheit.
Growing Season
North Charleston enjoys a long growing season, typically lasting from early spring to late fall. The region benefits from ample sunshine and frequent rainfall, supporting a variety of crops and lush vegetation.
For more detailed climate information, visit North Charleston Climate, Weather By Month, Average Temperature.
Extreme Weather Events That Occur In North Charleston, South Carolina
North Charleston experiences various extreme weather events due to its coastal location.
Hurricanes frequently impact the area.
Storms such as Hurricane Hugo in 1989 brought devastating winds and flooding.
Thunderstorms are common in the summer months.
These storms can bring heavy rain, strong winds, and lightning. The area sees thunderstorms most often from June through September.
Tropical storms also pose a significant threat.
For example, recent warnings for Tropical Storm Debby highlight the frequency of such threats along the coast. These storms bring heavy rainfall and potential flooding.
Residents should stay informed about flash flooding, which is a major concern.
The city has faced catastrophic floods, like during the Thousand-Year Deluge, when over 20 inches of rain fell in parts of South Carolina.
During winter and transitional seasons, hail events also occur, damaging property and crops.
Though less frequent than other events, hailstorms can cause significant damage when they occur.
Heatwaves are another aspect of extreme weather in North Charleston.
Summer temperatures often rise above 90°F, posing risks to health and infrastructure.
Understanding these patterns helps residents and visitors prepare for the diverse and sometimes severe weather that North Charleston experiences year-round. For more details on historical extremes, check out South Carolina Extreme Events Timeline.
Best Time Of The Year To Visit North Charleston, South Carolina
North Charleston, South Carolina offers pleasant experiences throughout the year. The best times to visit are typically during the mild spring and fall months when outdoor activities are most enjoyable.
What Is North Charleston, South Carolina Like In Spring
Spring in North Charleston spans from March to May.
During this period, temperatures range from around 59°F to 73°F, making it ideal for outdoor activities.
Rainfall averages about 3-4 inches per month.
This season is perfect for visiting the city’s parks and gardens.
Many tourists flock to the area to enjoy the blooming flowers and pleasant weather. The tourism score ranks high during this time, indicating excellent conditions for travelers.
What Is North Charleston, South Carolina Like In Summer
Summer in North Charleston runs from June to August.
This season is characterized by hot and humid weather, with temperatures often reaching the mid-80s to 90s°F.
Rainfall increases, averaging around 6-7 inches per month, with occasional thunderstorms.
Despite the heat, summer is a popular time for beach activities and festivals.
Visitors can enjoy the coastal areas, although they should be prepared for high humidity and the possibility of summer storms. July is the hottest month.
What Is North Charleston, South Carolina Like In Fall
Fall in North Charleston, which includes September to November, offers milder temperatures ranging from the low 60s to mid-70s°F.
This season sees a decrease in rainfall compared to summer, with averages of about 3-4 inches per month.
Early autumn is particularly appealing due to the moderate climate.
Many travelers choose this time to explore the city’s historical sites and outdoor spaces. The best time to visit is often mentioned as early autumn for its balance of good weather and fewer crowds.
What Is North Charleston, South Carolina Like In Winter
Winter in North Charleston, from December to February, is mild compared to many other regions.
Temperatures generally range from the mid-30s to 60s°F. Rainfall is relatively low, averaging around 3 inches per month.
The mild winters make it possible to enjoy outdoor activities year-round.
While it is cooler, the winter season is still comfortable for exploring the city and nearby attractions.
January tends to be the coldest month of the year. Rain can be expected but is typically light.