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United StatesThe weather in August in Hilton Head Island
It's hot in August in Hilton Head Island with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 33°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? August isn’t a good month to be in Hilton Head Island. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Hilton Head Island, South Carolina. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2014, Hilton Head Island reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 24°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 28°C.
Rainfall amount
In August, there is an average of 113 mm of precipitation, spread over 13 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in August for Hilton Head Island
Click on any day in August to get detailed info about the usual weather on that day in Hilton Head Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Hilton Head Island | New York | |
|---|---|---|
| Average temperature | 32°C | 30°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 113 mm | 79 mm |
| Rainy days | 13 days | 13 days |
Start of August
The month of August starts in Hilton Head Island with hot temps, averaging around 33°C during the day and nights around 25°C.
Mid August
By mid-August, daytime temps stay steady at around 33°C, with nights around 25°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Hilton Head Island is around 32°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Hilton Head Island for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Hilton Head Island, South Carolina. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Hilton Head Island
Temperature in August in Hilton Head Island over the years
Precipitation charts
These charts show the average amount of precipitation in August in Hilton Head Island, South Carolina. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Hilton Head Island
Total precipitation in August in Hilton Head Island over the years
Daily UV index in August in Hilton Head Island
This chart shows the average daily UV index in August in Hilton Head Island, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Hilton Head Island
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Average weather in Hilton Head Island by month
Click on a month below to see detailed weather info for Hilton Head Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.