+32.7763° · -79.9327° · ELEV 0m
Charleston
United States · South Carolina
Monthly weather averages for Charleston, United States — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Charleston has a temperate climate. The warmest month is July (31°C average high) and the coolest is January (14°C).
№ 02
1307 mm / yearRainfall by Month
Charleston sees 1307 mm of rain a year. The wettest month is August (171 mm); the driest is February (77 mm).
№ 03
May–OctoberBest Time to Visit
May–October
17°C – 31°C · 10.8h sun
The best time to visit Charleston is May–October, when temperatures average 17°C–31°C with 10.8 sunshine hours per day.
Some visitors prefer November–April for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 14.3°C | 6.5°C | 80 mm | 7.5 h | 07:22 | 17:35 |
|---|---|---|---|---|---|---|
| February | 16.7°C | 9.0°C | 77 mm | 7.9 h | 07:03 | 18:04 |
| March | 19.2°C | 11.4°C | 78 mm | 8.9 h | 07:30 | 19:27 |
| April | 22.8°C | 15.1°C | 116 mm | 10.7 h | 06:49 | 19:49 |
| May | 26.5°C | 19.5°C | 84 mm | 11.6 h | 06:20 | 20:11 |
| June | 29.3°C | 23.2°C | 122 mm | 11.5 h | 06:11 | 20:29 |
| July | 30.8°C | 25.0°C | 122 mm | 11.5 h | 06:22 | 20:28 |
| August | 29.9°C | 24.5°C | 171 mm | 10.7 h | 06:43 | 20:05 |
| September | 28.1°C | 22.2°C | 157 mm | 9.8 h | 07:03 | 19:26 |
| October | 24.5°C | 17.4°C | 96 mm | 9.4 h | 07:23 | 18:47 |
| November | 19.2°C | 11.4°C | 84 mm | 8.2 h | 06:49 | 17:18 |
| December | 16.7°C | 9.4°C | 120 mm | 7.0 h | 07:14 | 17:15 |
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Temperature, rainfall and sunshine, month by month.