Charleston in august: average Weather, Temperature and Climate
Weather in Charleston in august 2025
The weather in North Charleston in the month of august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 7
Weather at 6am
79°F
Clear/Sunny
39% of time
28%
21%
10%
Weather at 12pm
90°F
Clear/Sunny
34% of time
25%
24%
15%
Weather at 6pm
83°F
Clear/Sunny
45% of time
22%
21%
9%
Weather at 3am
77°F
41%
34%
13%
9%
Evolution of daily average temperature and precipitation in Charleston in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Charleston in august.
The climate of Charleston in august is tolerable
The climate in august in North Charleston is wet (with 9.3in of rainfall over 16 days). Unfortunately, the weather conditions is worsening than the previous month since in july there is an average of 6.9in of rainfall over 12 days.
The climate is very warm around this city in august. The high seasonal norm is 90°F. On average, the recorded minimum temperature is 79°F. Thus, the mean temperature average on this month of august in North Charleston is 85°F. These temperatures are far removed from those records observed in North Charleston in august with a maximum record of 97°F in 2009 and a minimum record of 65°F in 2012. You can expect to have about 26 days with temperatures over 86°F, or 84 of time.
Day length in North Charleston in august is 13:21. Sunrise is at 05:44 and sunset is at 19:05.
With good weather conditions, the month of august is a good month to go in that area in United States.
Charleston: another month?
If you can push back the dates of your trip, we advise you to go in september to Charleston. more information
If you can push the dates of your trip to Charleston forward, the month of september has a better weather forecast than august. more information
August: another location in the United States (USA)?
If you want to go to the United States (USA) in august, there are destinations with better weather than Charleston:
In august, Grand Canyon, Hawaii (Honolulu), Salt Lake City, Seattle, Denver and Minneapolis (Minnesota) have perfect weather.
Furthermore, California, Washington D. C., Atlanta, Boston, Chicago and Dallas have good weather.
Seasonal average climate and temperature of Charleston in august
Check below seasonal norms These datas are generated from the weather statements earlier years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 97°F (2009) | ||||
| Lowest record temperature | 65°F (2012) | ||||
| Number of days at +86°F | 26 day(s) (84%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.3in | ||||
| Number of days with rainfall | 16 day(s) (50%) | ||||
| Record daily rainfall | 5.3in (2017) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.31km | ||||
| Cloud cover | 29% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:44 | ||||
| Time of sunset | 19:05 | ||||
| Length of day | 13:21 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Charleston in august 2024:
74°F to 95°F
76°F to 94°F
79°F to 94°F
77°F to 81°F
74°F to 77°F
77°F to 79°F
77°F to 85°F
77°F to 79°F
76°F to 88°F
77°F to 92°F
77°F to 94°F
76°F to 92°F
79°F to 97°F
76°F to 88°F
74°F to 86°F
72°F to 88°F
74°F to 90°F
76°F to 94°F
76°F to 94°F
72°F to 85°F
72°F to 86°F
74°F to 85°F
68°F to 76°F
70°F to 81°F
70°F to 86°F
74°F to 86°F
76°F to 90°F
76°F to 94°F
76°F to 92°F
76°F to 92°F
76°F to 92°F
Map: other cities in the United States (USA) in august
Cities near Charleston:
| Edisto Beach in august | good weather |
| Hilton Head Island in august | tolerable weather |
| Tybee Island (Georgia) in august | tolerable weather |
| Savannah in august | tolerable weather |
| Myrtle Beach in august | tolerable weather |
| South Carolina in august | good weather |
| Carolina Beach in august | good weather |
| North Carolina in august | good weather |
| Atlanta in august | good weather |
| Virginia in august | good weather |
| Nags Head in august | good weather |
| Lake Martin (Alabama) in august | good weather |
Click over cities on the map for information about the weather in august.
Charleston
perfect weather
good
tolerable
bad
very bad
Weather data for Charleston in august:
Weather data for Charleston for august are derived from an average of the weather forecast since 2009 in Charleston. There is a margin of error and these forecasts are to be considered as general information only. The weather in Charleston can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Charleston.