• What is Charleston’s climate like?
    • Charleston has a subtropical climate, meaning it experiences mild winters and warm summers.
    • The city enjoys approximately 230 days of sunshine each year.
  • When is the best time to visit Charleston?
    • Spring and autumn are the best times to visit Charleston due to ideal temperatures, fewer crowds, and slightly lower room rates.
  • What is Charleston like in spring?
    • Spring is a beautiful time to visit Charleston, with colorful azaleas, dogwoods, and other flowers blooming between March and June.
  • What can visitors expect during the summer?
    • Summers in Charleston are warm, but visitors can enjoy cooling coastal breezes.
  • What is Charleston’s autumn weather like?
    • Autumn brings plenty of sunshine, blue skies, and cooler temperatures, making it an excellent time to visit.
  • How are winters in Charleston?
    • Winters in Charleston are mild, with occasional rain and rare snow flurries in late December or early January.

Charleston, South Carolina in January

January is the coldest month of the year in Charleston. Despite this, Charleston winters are generally enjoyable with the average low temperature not falling any lower than 38°F (3°C). The average high temperature to be expected is 59°F (15°C).

Charleston, South Carolina in February

In February, the temperatures go up to an average high of 63°F (17°C) and an average low of 41°F (5°C).

Charleston Weather in March

The climate starts to get warmer in March as the average high temperature increases to 70°F (21°C). Meanwhile, the average low temperature 47°F (8°C) also makes a slight increase to.

Charleston, South Carolina in April

April continues to see an increase in average temperatures as Spring reaches its peak. Average high and average low temperatures range between 76°F (25°C) and 53°F (12°C).

Charleston, South Carolina in May

In May, Charleston receives the most sunshine out of the year at 323 hours. The average high temperature makes another jump to 83°F (28°C), while the average low temperature increases nearly ten degrees to 62°F (17°C).

Charleston Temperatures in June

Things begin to really heat up in June with the arrival of summer. Temperatures easily hit the high 80’s with an average high temperature of 88°F (31°C). Evenings bring much more manageable temperatures with average lows of 70°F (21°C).

Month Average High (°F) Average Low (°F) Average Precipitation (inches)
January 58 39 3.7
February 61 42 3.4
March 67 48 3.6
April 75 55 2.8
May 82 63 3.6
June 87 71 5.5
July 89 74 6.9
August 89 73 7.2
September 84 68 5.7
October 76 58 3.3
November 68 49 2.7
December 60 41 3.4

Charleston, South Carolina in July

July is the hottest month of the year with the average high temperature peaking at an incredible 91°F (33°C). The average low temperature also increases a few degrees to 73°F (23°C).

August in Charleston:

In August, Charleston receives the most rain annually, hitting 7 inches (182 mm) of rainfall. The high precipitation rates also come with a decrease in the heat, with the average high and average low temperatures ranging between 89°F (32°C) and 72°F (22°C).

Charleston’s Weather in September:

Despite the arrival of fall, temperatures in September remain quite warm. The average high temperature peaks at 85°F (29°C) while the low temperature is 67°F (20°C).

October in Charleston:

October brings a welcome drop in average high and average low temperatures which hover at 77°F (25°C) and 57°F (14°C) respectively.

Charleston, South Carolina in November

In November, the average high temperature makes another big drop to 70°F (21°C). The average low temperature sinks by ten degrees to 47°F (9°C). Meanwhile, November also sees the lowest precipitation rates in the entire year with rainfall averaging at 2 inches (62 mm).

Charleston, South Carolina inDecember

Charleston Weather in December: Charleston gets the least sunshine annually in December. The winter season is marked by another drop in temperature with the average high temperature settling at 62°F (16°C). The low temperature average is 40°F (5°C).

  • When is the best time to visit South Carolina for nature and gardens?
    • The best time to experience South Carolina’s lush gardens and natural beauty is between March and May, when the landscape is in full bloom.
  • When should I visit South Carolina’s beaches?
    • The best time to visit South Carolina’s beaches is during June or July when the weather is warm and perfect for beach activities.
    • If you prefer fewer crowds, the least crowded month at the beach is September.
  • When is the best time for festivals in South Carolina?
    • The best time to visit for South Carolina’s festivals is during the peak festival season from September through November, when many of the state’s top events take place.
  • When can I find the best travel deals in South Carolina?
    • The best time for discounted travel and hotel rates is during January and February, when there are fewer tourists.

Resources:
NOAA
AMS

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