Hilton Head Weather in August: Temperature, Precipitation, Wind
Hilton Head, United States in August experiences a hot and humid subtropical climate. The average temperature reaches 32.3°C (90.1°F), with daytime highs soaring to 39.5°C (103.2°F) and nighttime lows dropping to 25.5°C (77.9°F). Heat indices make conditions feel even more oppressive, with the average “feels like” temperature peaking at 38.9°C (102.0°F).
Humidity levels average 35.8%, contributing to the sultry atmosphere. Precipitation is relatively low, with an average of 0.32 inches (8.1 mm) of rainfall throughout the month. Rain occurs on approximately 9 days, with a 29% probability of precipitation on any given day. The most common form of precipitation is rain.
Clear skies dominate August in Hilton Head, with an average cloud cover of only 8.1%. Visibility extends to 15.9 km (9.9 miles), allowing for excellent views of the island’s pristine beaches and lush landscapes. UV index readings are high, averaging 8.8, necessitating strong sun protection measures for beachgoers and outdoor enthusiasts.
Wind conditions are notable, with average wind speeds of 25.8 km/h (16 mph) and gusts reaching up to 44.2 km/h (27.5 mph). These breezes provide some relief from the heat and create ideal conditions for water sports at popular spots like Coligny Beach and Folly Field Beach.
Sunrise occurs around 7:03 AM, while sunset takes place at approximately 8:22 PM, offering ample daylight hours for outdoor activities. The atmospheric pressure averages 1011.2 hPa, typical for summer conditions in the region.
Severe weather risk is moderate, with an average severe risk index of 20.8. Visitors and residents should stay informed about potential weather hazards, during outdoor excursions to locations such as Harbour Town Lighthouse or Sea Pines Forest Preserve.
What is the temperature in Hilton Head in August?
Average air temperature in Hilton Head is 32.3°C (90.1°F) in August. The outside temperature in Hilton Head feels like 32°C (89.7°F) on a typical August day. The highest average temperature during sunny days is 39.5°C (103.2°F) and feels like 38.9°C (102°F). The lowest average temperature after dark is 25.5°C (77.9°F) which feels like 25.6°C (78.2°F).
How hot is Hilton Head in August?
The hot temperature in August in Hilton Head rises to 42.6°C (108.7°F) on sunny days with low cloud coverage and 35.8% humidity. During hottest days of August it feels like 43.6 °C (110.5°F). The average maximum temp in Hilton Head is 39.5°C (110.5°F) during day time in August.
How cold is Hilton Head in August?
The coldest temp in Hilton Head in August drops to 19.2°C (66.6°F) during the cold nights. With 25.8km/h (16mph) winds and 35.8% humidity it feels like 19.2°C (66.6°F) on the coldest nights. The average minimum temperature is 25.5°C (77.9°F) during night time in August.
Does it rain in Hilton Head in August?
Yes, it rains for 9 days in Hilton Head, United States in August averaging 0.32 mm of precipitation. Hilton Head has a 29% chance for rain throughout the entire month of August.
How much does it rain in Hilton Head throughout August?
Hilton Head has 0.32 mm (0.01 inch) of rain per day on average in August. It rains for an average of 9 days out of the entire month.
Is Hilton Head windy in August?
The average speed of wind in Hilton Head, United States during August is 25.8km/h (16mph) and average windgust is 44.2km/h (27.5mph). On some days in August wind can reach up to 40.2km/h (25mph).
What is the direction of the wind in Hilton Head in August?
Most days of August the wind is blowing from Southeast direction in Hilton Head.
What are the humidity levels in Hilton Head in August?
The average humidity levels in Hilton Head in August are 35.8%. Daily humidity levels in Hilton Head range from 24.2% to 56.2% during August.
How many hours of daylight are in Hilton Head in August?
Hilton Head has 13 hours 18 minutes of daylight in August on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Hilton Head in August is at 7:03:30 and the sunset is at 20:21:59.
What is the cloud coverage in Hilton Head in August?
Clouds cover 8.1% of the sky on average throughout August in Hilton Head. The cloud coverage ranges from 0% to 33.9% depending on the day of the month.
What is the UV level in August in Hilton Head?
The average UV index in Hilton Head is 8.8 in August. UV levels change throughout the month and range from 5 to 10.
What is the solar radiation in Hilton Head in August?
The average solar radiation is 277.9 W/m2 (Watts per square meter) in Hilton Head during August. However solar radiation levels change throughout the month and range from 146.4 W/m2 to 314.9 W/m2.
What is the solar energy during August in Hilton Head?
The average solar energy during August in Hilton Head is 24 MJ/m2 (megajoules per square metre). Solar energy ranges from 12.7 MJ/m2, to 27.2 MJ/m2 during August.
Are there severe weather risks in Hilton Head in August?
Yes, there is a 20.8% risk for severe weather in Hilton Head, United States in August.
What is the air pressure in Hilton Head in August?
On average the air pressure in Hilton Head in August is 1011.2 mb (millibars). Throughout the month the sea level pressure ranges from 1005.3 mb to 1018.2 mb.
What is the visibility in Hilton Head in August?
The average daylight visibility in Hilton Head in August is 15.9 km (9.9 miles). Depending on the precipitation the visibility ranges from 15.5 km (9.6 miles) to 16 km (9.9 miles) throughout August.
What is the dew point in Hilton Head in August?
The average dew point in Hilton Head during August is 14.1°C (57.4°F).
Where is the data for Hilton Head climate in August coming from?
The climate data for Hilton Head, South Carolina, United States in August is collected from the following weather stations.
- ABILENE DYESS AFB, TX US
- SWEETWATER AVENGER FIELD, TX US
- ABILENE REGIONAL AIRPORT, TX US
- BRONTE 11 NNE, TX US
- HAMBY TX US
- KABI
- KDYS