Charleston Weather Forecast
Charleston weather: 80°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Charleston weather in January
Weather map for Charleston
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Climate in Charleston month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 56° | 40° | 3,1 in | ★★★☆☆ |
| February | 61° | 46° | 3,3 in | ★★★☆☆ |
| March | 69° | 53° | 3,3 in | ★★★★☆ |
| April | 75° | 60° | 2,2 in | ★★★★☆ |
| May | 81° | 68° | 4,5 in | ★★★★☆ |
| June | 86° | 74° | 4,1 in | ★★★★☆ |
| July | 89° | 78° | 5,0 in | ★★★☆☆ |
| August | 86° | 75° | 6,7 in | ★★★☆☆ |
| September | 82° | 70° | 3,4 in | ★★★★☆ |
| October | 75° | 61° | 4,1 in | ★★★★☆ |
| November | 68° | 54° | 1,9 in | ★★★★☆ |
| December | 60° | 46° | 4,7 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Best time to visit Charleston
Go in March, April, June, September and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, August and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, August and December - historically the least comfortable months here.
How Charleston compares with nearby places
Annual averages, and the difference against Charleston.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Charleston County | 0 mi | 67°F | about the same | 46 in |
| Hunting Island State Park | 40 mi | 67°F | about the same | 47 in |
| Savannah | 83 mi | 67°F | about the same | 48 in |
| Congaree National Park | 86 mi | 65°F | 34°F cooler | 39 in |
| Myrtle Beach | 87 mi | 65°F | 34°F cooler | 48 in |
See the Charleston forecast by time range
Charleston weather - more answers
Explore Charleston
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Charleston?
Charleston is a city in South Carolina. Its coordinates are 32.7765, -79.9311. It lies in North America.
What is the weather like in Charleston right now?
It is currently 80°F (27°C) with clear. Humidity is 88% and wind is 6 mph.
When is the best time to visit Charleston?
March, April, June, September and November offer the most comfortable conditions in Charleston, which has a temperate climate. January, August and December are usually the hardest months for outdoor plans.
What time zone is Charleston in?
Charleston observes America/New_York (UTC-04:00). The local time is 10:56 AM.
How many people live in Charleston?
Charleston has a population of approximately 150.000.
What is the nearest airport to Charleston?
The closest airports are Hartsfield-Jackson Atlanta International Airport (ATL), 267 mi away.
What are the top things to do in Charleston?
Popular options include Hunting Island State Park, Congaree National Park, Myrtle Beach and Chimney Rock State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 10:56 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
