Charleston, SC 14-Day Forecast
South Carolina, United States 🇺🇸
The 14-day forecast for Charleston is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Charleston 14-day outlook: the story
The best time to visit Charleston is generally February to May and October to November, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 71°F (22°C), with rain on about 9 days a month. For the same question asked the other way round, see where else is warm in February.
For typical conditions month by month, see the Charleston climate & average temperatures guide.
Average temperatures in Charleston by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 58° | 44° | 10 | 3.2 in | 7.6 h/day | 10.2 h | 31% | 73% |
| February | 62° | 48° | 9 | 3.3 in | 8.0 h/day | 11.0 h | 31% | 76% |
| March | 67° | 53° | 9 | 3.0 in | 8.9 h/day | 11.9 h | 29% | 72% |
| April | 73° | 59° | 8 | 4.3 in | 10.8 h/day | 13.0 h | 28% | 70% |
| May | 80° | 67° | 11 | 3.5 in | 11.5 h/day | 13.8 h | 35% | 73% |
| June | 85° | 74° | 16 | 4.8 in | 11.6 h/day | 14.3 h | 53% | 77% |
| July | 88° | 77° | 17 | 4.9 in | 11.5 h/day | 14.1 h | 55% | 78% |
| August | 86° | 76° | 19 | 7.0 in | 10.7 h/day | 13.3 h | 62% | 81% |
| September | 83° | 72° | 14 | 5.9 in | 9.9 h/day | 12.3 h | 46% | 79% |
| October | 76° | 63° | 7 | 3.7 in | 9.3 h/day | 11.3 h | 22% | 75% |
| November | 67° | 53° | 8 | 3.2 in | 8.2 h/day | 10.4 h | 27% | 75% |
| December | 62° | 49° | 9 | 4.8 in | 7.0 h/day | 10.0 h | 30% | 77% |
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