Temperature
Hot by day, warm at night.
86°Ftypical Aug high
Hilton Head Island
United States · North America
Hilton Head Island is most comfortable in spring. Summers are warm and winters are mild. Rain is spread through the year.
Best time to go
12 mo · Typical year
Temperature range
46°F to 87°F
Rain
10 days/mo
Sunshine
9.9 h/day
Humidity feel
Sometimes humid
When to visit
Month-by-month fit
Precipitation
One of the wettest months.
61%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
11.3 hAug sunshine
Heat & humidity by month
Hot afternoons occur, with humid air through much of the month.
55%Aug · Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly comfort pattern
In August, afternoons feel about 90° and nights feel near 84°.
Very coldColdCoolComfortableWarmHotNight shading
More detailIncludes sky, daypart comfort, and wind
Cloud cover
Mostly cloudy skies.
38%Aug clear sky
ClearCloud cover
Typical August day
August late afternoons are around 85°F, easing to about 82°F in early evening.
Avg temp Typical range
Morning80°F
Feels 86°F
Rain32%
Cloud55%
Humid airVery high
Sun intensityLow
Midday85°F
Feels 90°F
Rain38%
Cloud57%
Humid airVery high
Sun intensityStrong
Late afternoon85°F
Feels 89°F
Rain41%
Cloud61%
Humid airVery high
Sun intensityStrong
evening82°F
Feels 87°F
Rain28%
Cloud66%
Humid airVery high
Sun intensityMinimal
Best windowWind pattern
Calm winds are typical in August.
8 mphAug Light breeze
Typical wind speed (mph)
Similar
Similar climateRomeItalySimilar climateShanghaiChinaSimilar climateHong KongChinaSimilar climateCharlestonUnited States
Want a side-by-side climate view? Compare Hilton Head Island with Rome.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology