Hilton Head Island
August
Weather in Hilton Head Island for August 2025
Your guide to Hilton Head Island weather in August - trends and predictions
In general, the average temperature in Hilton Head Island at the beginning of August is 28.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.1 °F by the end of August.
Hilton Head Island experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 569.6 mm.
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Temperatures
Rain 🌧️
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7
Dry days
24
Rainy days
0
Snow days
29°/25°
Temperatures
26 km/h
Avg max wind
77 %
Avg humidity
Hilton Head Island in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2  31° | 3 30° | ||||
| 4  27° | 5  27° | 6 27° | 7  27° | 8 26° | 9  30° | 10 30° |
| 11 30° | 12 30° | 13  33° | 14 30° | 15  28° | 16 28° | 17 28° |
| 18 31° | 19 32° | 20 28° | 21 28° | 22 26° | 23 25° | 24 27° |
| 25 27° | 26 28° | 27 28° | 28 29° | 29 29° | 30 28° | 31 28° |
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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 day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Patchy light rain with thunder | 31° /24° | 1.8 mm | 7 | |
| Aug. 2 | Thundery outbreaks possible | 31° /25° | 1.5 mm | 7 | |
| Aug. 3 | Thundery outbreaks possible | 30° /25° | 0.6 mm | 7 | |
| Aug. 4 | Moderate or heavy rain shower | 27° /24° | 207.4 mm | 6 | |
| Aug. 5 | Torrential rain shower | 27° /24° | 119.2 mm | 6 | |
| Aug. 6 | Moderate or heavy rain shower | 27° /26° | 62.9 mm | 6 | |
| Aug. 7 | Light rain shower | 27° /25° | 90.4 mm | 6 | |
| Aug. 8 | Light rain shower | 26° /25° | 18 mm | 6 | |
| Aug. 9 | Moderate or heavy rain with thunder | 30° /25° | 17.9 mm | 7 | |
| Aug. 10 | Thundery outbreaks possible | 30° /25° | 3.1 mm | 7 | |
| Aug. 11 | Patchy rain possible | 30° /25° | 1.3 mm | 7 | |
| Aug. 12 | Thundery outbreaks possible | 30° /25° | 0.7 mm | 7 | |
| Aug. 13 | Sunny | 33° /26° | 0.4 mm | 8 | |
| Aug. 14 | Light rain shower | 30° /26° | 7.3 mm | 7 | |
| Aug. 15 | Partly cloudy | 28° /26° | 0 mm | 7 | |
| Aug. 16 | Sunny | 28° /24° | 0 mm | 7 | |
| Aug. 17 | Partly cloudy | 28° /25° | 0 mm | 7 | |
| Aug. 18 | Patchy rain possible | 31° /25° | 0.3 mm | 7 | |
| Aug. 19 | Patchy rain possible | 32° /24° | 1 mm | 7 | |
| Aug. 20 | Patchy rain possible | 28° /24° | 3 mm | 6 | |
| Aug. 21 | Patchy rain possible | 28° /25° | 4.2 mm | 6 | |
| Aug. 22 | Light rain shower | 26° /25° | 9.2 mm | 6 | |
| Aug. 23 | Light rain shower | 25° /22° | 12.8 mm | 6 | |
| Aug. 24 | Patchy rain possible | 27° /21° | 0.5 mm | 6 | |
| Aug. 25 | Patchy rain possible | 27° /23° | 1.3 mm | 6 | |
| Aug. 26 | Light rain shower | 28° /24° | 0.8 mm | 6 | |
| Aug. 27 | Patchy rain possible | 28° /26° | 0.2 mm | 6 | |
| Aug. 28 | Sunny | 29° /25° | 0 mm | 7 | |
| Aug. 29 | Patchy rain possible | 29° /25° | 3.6 mm | 6 | |
| Aug. 30 | Patchy rain possible | 28° /25° | 0.2 mm | 6 | |
| Aug. 31 | Sunny | 28° /25° | 0 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.
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 29° 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 569.6 mm is expected in Hilton Head Island during August, occurring over more than 24 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 26 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 💧
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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