Hilton Head Island weather
At 8:00 PM local time it was cloudy and 20°C (67°F). Mostly light, on-and-off rain; heavier around 7 AM, 8 AM (5.0 mm total). Best months for weather: Apr–May, Oct–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Hilton Head Island, South Carolina, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 7 AM, 8 AM (5.0 mm total)
Daily Forecast
Best Time to Visit
Peak season Apr–May, Oct–NovOff season Jun, Aug, Dec–Feb
About Hilton Head Island weather
Is it raining in Hilton Head Island right now?
No. It’s cloudy and 20° right now. Mostly light, on-and-off rain; heavier around 7 AM, 8 AM (5.0 mm total).
What’s the weather like in Hilton Head Island this week?
Over the next 7 days, expect highs of 22–28° and lows of 16–20°. Rain is likely on 2 of 7 days (Sunday, Thursday). The driest day looks like Saturday.
Has it been raining in Hilton Head Island lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Hilton Head Island?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Hilton Head Island weather by month
When is the best time to visit Hilton Head Island?
Based on weather alone, the best time to visit Hilton Head Island is Apr–May, Oct–Nov, according to NASA's 2001–2025 climate averages. Jun, Aug, Dec–Feb tends to be the least pleasant. Average highs run from 15°C (58°F) in January to 29°C (84°F) in July.
What is the rainiest month in Hilton Head Island?
August is the wettest month, with about 157 mm (6.2 in) of rain on average. November is the driest, with about 56 mm (2.2 in).
What is the hottest month in Hilton Head Island?
July is the warmest, with average highs of 29°C (84°F) and lows of 27°C (81°F). January is the coolest, with highs of 15°C (58°F) and lows of 10°C (51°F).
Does Hilton Head Island have a rainy season?
Yes. Aug is the rainy season (150 mm or more a month), while Nov is usually dry (under 60 mm).
How warm is the sea in Hilton Head Island?
The sea is warmest in July at about 31°C (87°F) and coolest in January at about 11°C (52°F). It is comfortable for swimming (22°C or more) in May–Oct.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months