United StatesAverage weather for Hilton Head Island in August
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.
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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In August, there is an average of 113 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the South.
Hilton Head Island in August |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 30°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
30°C | -5°C | |
 Total precipitation |
113 mm | 79 mm | |
| Rainy days |
14 days | 13 days | |
July
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.
Is August a good time to visit Hilton Head Island?
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.
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.
Check out the climate of Hilton Head Island for all months and discover the best travel time
Daily Temperature in August in Hilton Head Island
This chart shows the average daily high and low temperatures in August for Hilton Head Island, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in August in Hilton Head Island
The chart below shows the average daily precipitation in August for Hilton Head Island, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 14 days of precipitation in Hilton Head Island.
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.
Temperature in August in Hilton Head Island over the years
This chart shows the average temperature in August in Hilton Head Island, measured in degrees Celsius, over the past few years.
Total precipitation in August in Hilton Head Island over the years
This chart shows the average precipitation in August in Hilton Head Island, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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.
Or check out the climate of Hilton Head Island for all months at once
