Winter
Dec → Feb14 to 16°
nights 6 to 8°
- 6 rainy days · 68 mm
When is the best time to visit Charleston?
- Jan14°not recommended
- Feb16°fair
- Mar19°recommended
- Apr22°recommended
- May26°recommended
- Jun29°fair
- Jul31°not recommended
- Aug30°not recommended
- Sep28°fair
- Oct24°recommended
- Nov20°recommended
- Dec16°fair
RecommendedFairNot recommended· afternoon temperature
The weather in Charleston, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 14° | 6° | 65 mm | 6 d | |
| February | 16° | 8° | 65 mm | 6 d | |
| March | 19° | 11° | 77 mm | 6 d | ✓ |
| April | 22° | 15° | 75 mm | 6 d | ✓ |
| May | 26° | 20° | 66 mm | 5 d | ✓ |
| June | 29° | 23° | 123 mm | 8 d | |
| July | 31° | 25° | 129 mm | 9 d | |
| August | 30° | 25° | 155 mm | 10 d | |
| September | 28° | 23° | 133 mm | 7 d | |
| October | 24° | 17° | 103 mm | 6 d | ✓ |
| November | 20° | 12° | 58 mm | 5 d | ✓ |
| December | 16° | 8° | 74 mm | 6 d |
The four seasons in Charleston, in figures
What the 2015-2024 averages (Charleston) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May19 to 26°
nights 11 to 20°
- 6 rainy days · 73 mm
Summer
Jun → Aug29 to 31°
nights 23 to 25°
- 9 rainy days · 136 mm
Autumn
Sep → Nov20 to 28°
nights 12 to 23°
- 6 rainy days · 98 mm
Book early for March to May and October to November
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Charleston, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 14h18 of daylight, in December 10h, a difference of 4h18.
10h13Jan
10h58Feb
11h53Mar
12h57Apr
13h50May
14h18Jun
14h06Jul
13h21Aug
12h19Sep
11h18Oct
10h25Nov
10hDec
Calculated for the latitude of the reference point "Charleston" (32.78°). Values on the 15th of each month, local solar time.
What to do in Charleston, month by month
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Long days |
favourablewith compromisesunfavourable
Sightseeing & walks: good conditions all twelve months.
- Long days: June, July
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended14°6° at night
- 65 mm · 6 d
Low season, lower prices
February
Fair16°8° at night
- 65 mm · 6 d
Low season, lower prices
March
Recommended19°11° at night
- 77 mm · 6 d
Busy, without the crush
April
Recommended22°15° at night
- 75 mm · 6 d
Busy, without the crush
May
Recommended26°20° at night
- 66 mm · 5 d
Busy, without the crush
June
Fair29°23° at night
- 123 mm · 8 d
Low season, lower prices
July
Not recommended31°25° at night
- 129 mm · 9 d
Low season, lower prices
August
Not recommended30°25° at night
- 155 mm · 10 d
Low season, lower prices
September
Fair28°23° at night
- 133 mm · 7 d
Low season, lower prices
October
Recommended24°17° at night
- 103 mm · 6 d
Busy, without the crush
November
Recommended20°12° at night
- 58 mm · 5 d
Busy, without the crush
December
Fair16°8° at night
- 74 mm · 6 d
Quiet, then the holidays
Read the twelve months in detail
January. Cool: 14 °C at best, 6 °C at night. Rain stays light: 65 mm over 6 days. Low season: fewer people, lower prices.
February. Cool: 16 °C at best, 8 °C at night. Rain stays light: 65 mm over 6 days. Low season: fewer people, lower prices.
March. Mild, 19 °C in the afternoon and 11 °C early in the morning. Rain stays light: 77 mm over 6 days. Busy season, without the crush.
April. Mild, 22 °C in the afternoon and 15 °C early in the morning. Rain stays light: 75 mm over 6 days. Busy season, without the crush.
May. 26 °C in the afternoon and 20 °C at night. Rain stays light: 66 mm over 5 days. Busy season, without the crush.
June. 29 °C in the afternoon and 23 °C at night. Expect 8 days of rain in the month (123 mm). Low season: fewer people, lower prices.
July. 31 °C in the afternoon and 25 °C at night. Expect 9 days of rain in the month (129 mm). Low season: fewer people, lower prices.
August. 30 °C in the afternoon and 25 °C at night. Expect 10 days of rain in the month (155 mm). Low season: fewer people, lower prices.
September. 28 °C in the afternoon and 23 °C at night. Rain stays light: 133 mm over 7 days. Low season: fewer people, lower prices.
October. Mild, 24 °C in the afternoon and 17 °C early in the morning. Rain stays light: 103 mm over 6 days. Busy season, without the crush.
November. Mild, 20 °C in the afternoon and 12 °C early in the morning. Rain stays light: 58 mm over 5 days. Busy season, without the crush.
December. Cool: 16 °C at best, 8 °C at night. Rain stays light: 74 mm over 6 days. Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Charleston?
March to May and October to November: over these months, average highs range from 19 to 26 °C, with 6 days of rain a month on average (2015-2024 averages, Charleston).
Which month should you avoid in Charleston?
August: it is the wettest of the months to avoid, with 155 mm over 10 days of rain on average over 2015-2024 at the reference point (Charleston).
What is the hottest month in Charleston?
July, with 31 °C on average in the afternoon and 25 °C at night. 2015-2024 averages (Charleston).
What is the coldest month in Charleston?
January, with 14 °C at best during the day and 6 °C at night. 2015-2024 averages (Charleston).
What is the driest month in Charleston?
November: 58 mm over 5 days of rain, against 155 mm in August, the wettest month.
Plan this trip
📒 The free printable Charleston guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: w_lemay / CC BY-SA 2.0 (Wikimedia Commons) · Jrozwado / CC BY-SA 4.0 (Wikimedia Commons) · Warren LeMay from Covington, KY, United States / CC0 (Wikimedia Commons) · JERRYE & ROY KLOTZ MD / CC BY-SA 3.0 (Wikimedia Commons) · Dsdugan / CC0 (Wikimedia Commons)