Charleston County (Charleston)
August
Weather in Charleston County, South Carolina for August 2026
Your guide to Charleston County weather in August - trends and predictions
In general, the average temperature in Charleston County at the beginning of August is 29.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.6 °C by the end of August.
Charleston County experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 488.2 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
22
Rainy days
0
Snow days
30°/24°
Temperatures
20 km/h
Avg max wind
76 %
Avg humidity
Charleston County Weather August
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Temperatures trend during August in Charleston County
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August weather in Charleston County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 34° /25° | 4.2 mm | 8 | |
| Aug. 2 |  Patchy light rain with thunder | 31° /24° | 9.4 mm | 7 | |
| Aug. 3 |  Patchy rain possible | 31° /24° | 1.9 mm | 7 | |
| Aug. 4 | Light rain shower | 27° /24° | 11.6 mm | 6 | |
| Aug. 5 |  Moderate or heavy rain shower | 29° /23° | 105.1 mm | 7 | |
| Aug. 6 | Moderate or heavy rain shower | 28° /25° | 50 mm | 6 | |
| Aug. 7 | Patchy light rain with thunder | 29° /25° | 37.2 mm | 6 | |
| Aug. 8 | Light rain shower | 27° /25° | 17.2 mm | 6 | |
| Aug. 9 |  Moderate or heavy rain with thunder | 29° /24° | 31.6 mm | 6 | |
| Aug. 10 | Moderate rain at times | 30° /25° | 19.3 mm | 7 | |
| Aug. 11 | Patchy rain possible | 29° /25° | 60.3 mm | 7 | |
| Aug. 12 | Patchy rain possible | 32° /25° | 1.1 mm | 7 | |
| Aug. 13 | Patchy rain possible | 33° /26° | 3.1 mm | 7 | |
| Aug. 14 |  Patchy light rain | 31° /25° | 4.8 mm | 7 | |
| Aug. 15 |  Partly cloudy | 32° /25° | 0 mm | 7 | |
| Aug. 16 | Sunny | 32° /24° | 0 mm | 8 | |
| Aug. 17 | Partly cloudy | 30° /23° | 0 mm | 8 | |
| Aug. 18 | Patchy rain possible | 33° /24° | 2.6 mm | 8 | |
| Aug. 19 | Partly cloudy | 32° /25° | 0.1 mm | 8 | |
| Aug. 20 | Patchy light rain with thunder | 28° /23° | 4.9 mm | 6 | |
| Aug. 21 | Patchy rain possible | 32° /24° | 0.3 mm | 8 | |
| Aug. 22 | Light rain shower | 28° /24° | 20.2 mm | 6 | |
| Aug. 23 | Light rain shower | 26° /22° | 36.4 mm | 6 | |
| Aug. 24 | Light rain shower | 28° /22° | 4.7 mm | 6 | |
| Aug. 25 | Patchy rain possible | 31° /23° | 0.1 mm | 7 | |
| Aug. 26 | Patchy rain possible | 30° /22° | 0.3 mm | 7 | |
| Aug. 27 | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| Aug. 28 | Sunny | 30° /24° | 0 mm | 7 | |
| Aug. 29 | Moderate rain at times | 31° /23° | 1.1 mm | 7 | |
| Aug. 30 | Patchy rain possible | 28° /23° | 17.7 mm | 7 | |
| Aug. 31 | Patchy rain possible | 28° /23° | 42.9 mm | 7 | |
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Important Notice
Our weather forecast for Charleston County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Charleston County forecast closer to your planned date for the most up-to-date weather information.
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Charleston County in August - FAQ
What are the expected maximum and minimum temperatures in Charleston County during August?
During August, expect a variety of temperatures with highs around 30° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Charleston County during August?
Significant rainfall exceeding 488.2 mm is expected in Charleston County during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Charleston County during August?
The average wind speed in Charleston County during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Charleston County
Explore the daily rainfall trends and prepare for Charleston Countys August weather 💧
Typically, Charleston County has 22 rainy days in August with a total of 488.2 mm of rainfall.
UV exposure in Charleston County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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