Charleston weather by month & the best time to visit
United States · city break · humid subtropical climate
The best time to visit Charleston is November — its sunniest month (Sunshine Score 82/100), with March and April close behind. Charleston averages about 2,712 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 69 mm of rain in November.
When is the best time to visit Charleston?
For sunshine, the best time to visit Charleston is November, then March and April. The dullest month is January (42/100, 61 mm of rain). The full month-by-month picture is in the table below.
How sunny is Charleston?
Charleston gets a lot of sun: around 2,712 hours a year. November (82/100) is noticeably better than January (42). It ranks #137 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. The year's 1,245 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 42 | 14° / 57°F | 4° / 39°F | 61 mm | 3 |
| February | 53 | 16° / 61°F | 6° / 43°F | 84 mm | 4 |
| March | 80 | 20° / 68°F | 9° / 48°F | 84 mm | 6 |
| April | 80 | 24° / 75°F | 13° / 55°F | 82 mm | 8 |
| May | 78 | 28° / 82°F | 18° / 64°F | 92 mm | 8 |
| June | 69 | 31° / 88°F | 22° / 72°F | 140 mm | 9 |
| July | 68 | 32° / 90°F | 24° / 75°F | 147 mm | 9 |
| August | 67 | 31° / 88°F | 23° / 73°F | 171 mm | 8 |
| September | 73 | 29° / 84°F | 21° / 70°F | 119 mm | 7 |
| October | 76 | 25° / 77°F | 15° / 59°F | 105 mm | 6 |
| November | 82 | 20° / 68°F | 9° / 48°F | 69 mm | 4 |
| December | 52 | 16° / 61°F | 6° / 43°F | 91 mm | 3 |
Nearest destinations
Head-to-head
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Charleston: questions and answers
What kind of destination is Charleston?
Charleston is a city break in United States with a humid subtropical climate.
How many hours of sunshine does Charleston get a year?
Charleston gets about 2,712 hours of sunshine a year, at its best around November.
When is the best time to visit Charleston?
The sunniest time to visit Charleston is November, when the Sunshine Score peaks at 82/100 (with March and April close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Charleston?
January is the least sunny month in Charleston, scoring 42/100 with about 61 mm of rain.
How strong is the sun in Charleston?
The typical midday UV index in Charleston peaks around 9 (very high) in June, easing to about 3 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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