Charleston (SC)
August
Weather in Charleston, South Carolina for August 2027
Your guide to Charleston weather in August - trends and predictions
In general, the average temperature in Charleston at the beginning of August is 29.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °C by the end of August.
Charleston in August brings notable rainfall, with an average of 20 rainy days and a total precipitation of 471.1 mm.
Is August a good time to visit Charleston? check out the best time to travel to Charleston page.
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Temperatures
Rain 🌧️
More
11
Dry days
20
Rainy days
0
Snow days
30°/24°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Charleston Weather August
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Temperatures trend during August in Charleston
See the weather trend as well as the moving average line
August weather in Charleston day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Moderate or heavy rain shower | 33° /26° | 5.8 mm | 8 | |
| Aug. 2 |  Patchy light rain with thunder | 30° /24° | 12.5 mm | 6 | |
| Aug. 3 |  Moderate rain | 30° /24° | 13.7 mm | 6 | |
| Aug. 4 | Moderate rain | 28° /24° | 18 mm | 6 | |
| Aug. 5 |  Heavy rain | 29° /23° | 80.1 mm | 7 | |
| Aug. 6 | Heavy rain | 29° /25° | 35.6 mm | 7 | |
| Aug. 7 | Heavy rain | 30° /25° | 26.3 mm | 8 | |
| Aug. 8 | Moderate rain | 27° /26° | 13.1 mm | 7 | |
| Aug. 9 |  Moderate or heavy rain with thunder | 29° /25° | 23.2 mm | 7 | |
| Aug. 10 | Moderate rain | 31° /25° | 14.3 mm | 9 | |
| Aug. 11 | Heavy rain | 31° /25° | 41.3 mm | 9 | |
| Aug. 12 |  Patchy rain possible | 32° /25° | 1.3 mm | 9 | |
| Aug. 13 | Patchy rain possible | 33° /26° | 2.3 mm | 9 | |
| Aug. 14 |  Light rain | 32° /25° | 3.3 mm | 9 | |
| Aug. 15 | Light rain | 33° /26° | 3.8 mm | 7 | |
| Aug. 16 | Patchy rain possible | 31° /23° | 1 mm | 7 | |
| Aug. 17 |  Partly cloudy | 32° /24° | 0.1 mm | 9 | |
| Aug. 18 | Patchy rain possible | 34° /26° | 1.8 mm | 9 | |
| Aug. 19 | Patchy rain possible | 32° /26° | 1.8 mm | 9 | |
| Aug. 20 | Patchy light rain with thunder | 32° /26° | 2.8 mm | 9 | |
| Aug. 21 | Patchy rain possible | 32° /25° | 0.5 mm | 9 | |
| Aug. 22 | Moderate rain | 29° /24° | 15.6 mm | 6 | |
| Aug. 23 | Heavy rain | 28° /23° | 49 mm | 6 | |
| Aug. 24 | Light rain | 29° /24° | 9.1 mm | 8 | |
| Aug. 25 | Patchy rain possible | 30° /24° | 0.5 mm | 7 | |
| Aug. 26 | Heavy rain | 29° /23° | 37.3 mm | 6 | |
| Aug. 27 | Light rain | 30° /24° | 4.3 mm | 6 | |
| Aug. 28 | Light rain | 30° /24° | 2.5 mm | 6 | |
| Aug. 29 | Moderate rain at times | 30° /23° | 9.2 mm | 5 | |
| Aug. 30 | Moderate rain | 28° /24° | 12.5 mm | 5 | |
| Aug. 31 | Heavy rain | 29° /24° | 28.6 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Charleston 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 forecast closer to your planned date for the most up-to-date weather information.
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Charleston in August - FAQ
What are the expected maximum and minimum temperatures in Charleston 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 during August?
Significant rainfall exceeding 471.1 mm is expected in Charleston during August, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Charleston during August?
The average wind speed in Charleston during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Charleston
Explore the daily rainfall trends and prepare for Charlestons August weather 💧
Typically, Charleston has 20 rainy days in August with a total of 471.1 mm of rainfall.
UV exposure in Charleston during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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