Hilton Head Island (SC)
August
Weather in Hilton Head Island, South Carolina for August 2026
Your guide to Hilton Head Island weather in August - trends and predictions
So far, August 2026 in Hilton Head Island is slightly warmer than the historical average by 1.5 °F.
The forecast for the upcoming days in Hilton Head Island predicts a temperature of 31.9 °F, which is slightly above the historical average.
In general, the average temperature in Hilton Head Island at the beginning of August is 29.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28 °F by the end of August.
Hilton Head Island experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 670.7 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
28°/25°
Temperatures
23 km/h
Avg max wind
79 %
Avg humidity
Hilton Head Island Weather August
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Temperatures trend during August in Hilton Head Island
See the weather trend as well as the moving average line
August weather in Hilton Head Island day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy light rain with thunder | 32° /25° | 3.9 mm | 9 | |
| Aug. 2 |  Thundery outbreaks possible | 31° /24° | 8.6 mm | 6 | |
| Aug. 3 | Thundery outbreaks possible | 29° /24° | 6.1 mm | 7 | |
| Aug. 4 |  Moderate or heavy rain shower | 28° /24° | 150.6 mm | 8 | |
| Aug. 5 | Moderate or heavy rain shower | 29° /24° | 48.2 mm | 8 | |
| Aug. 6 | Moderate or heavy rain shower | 30° /25° | 29.1 mm | 7 | |
| Aug. 7 |  Patchy rain possible | 30° /25° | 35.3 mm | 8 | |
| Aug. 8 | Moderate or heavy rain shower | 27° /25° | 18.7 mm | 8 | |
| Aug. 9 | Moderate or heavy rain shower | 30° /25° | 15.1 mm | 8 | |
| Aug. 10 |  Sunny | 34° /25° | 0 mm | 8 | |
| Aug. 11 | Sunny | 34° /26° | 0.5 mm | 8 | |
| Aug. 12 | Sunny | 35° /27° | 0.6 mm | 9 | |
| Aug. 13 | Sunny | 36° /26° | 0 mm | 9 | |
| Aug. 14 | Thundery outbreaks possible | 34° /25° | 13.2 mm | 8 | |
| Aug. 15 | Sunny | 33° /25° | 8 mm | 8 | |
| Aug. 16 | Sunny | 30° /27° | 6.4 mm | 8 | |
| Aug. 17 | Sunny | 31° /24° | 5.2 mm | 8 | |
| Aug. 18 |  Partly cloudy | 31° /24° | 11.1 mm | 8 | |
| Aug. 19 | Patchy rain possible | 29° /25° | 10.7 mm | 7 | |
| Aug. 20 | Sunny | 30° /27° | 3.2 mm | 7 | |
| Aug. 21 | Sunny | 30° /27° | 2.8 mm | 7 | |
| Aug. 22 | Sunny | 30° /26° | 0 mm | 7 | |
| Aug. 23 | Sunny | 30° /26° | 0 mm | 8 | |
| Aug. 24 | Patchy rain possible | 27° /23° | 17.1 mm | 6 | |
| Aug. 25 | Patchy rain possible | 29° /23° | 24 mm | 7 | |
| Aug. 26 | Light rain shower | 29° /23° | 0.4 mm | 7 | |
| Aug. 27 | Patchy rain possible | 28° /25° | 0.1 mm | 6 | |
| Aug. 28 | Sunny | 28° /25° | 0 mm | 7 | |
| Aug. 29 | Patchy rain possible | 28° /25° | 1.8 mm | 6 | |
| Aug. 30 | Patchy rain possible | 27° /24° | 13.5 mm | 6 | |
| Aug. 31 | Sunny | 27° /24° | 19.7 mm | 7 | |
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Important Notice
Our weather forecast for Hilton Head Island 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 Hilton Head Island forecast closer to your planned date for the most up-to-date weather information.
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Hilton Head Island in August - FAQ
What are the expected maximum and minimum temperatures in Hilton Head Island during August?
During August, expect a variety of temperatures with highs around 28° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hilton Head Island during August?
Significant rainfall exceeding 670.7 mm is expected in Hilton Head Island during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hilton Head Island during August?
The average wind speed in Hilton Head Island during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Hilton Head Island
Explore the daily rainfall trends and prepare for Hilton Head Islands August weather 💧
Typically, Hilton Head Island has 21 rainy days in August with a total of 670.7 mm of rainfall.
UV exposure in Hilton Head Island during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Hilton Head Island?Get accurate weather forecasts for Hilton Head Island, located at latitude 32.194 and longitude -80.738. Stay updated with localized weather information tailored for Hilton Head Island.
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