Hilton Head Island Weather in October

October in Hilton Head Island typically sees daytime highs of 25°C (77°F) and nighttime lows of 16°C (61°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Hilton Head Island in October

On average, there are about 8 days with rain during this month, averaging 78 mm (3.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Hilton Head Island in October

October is one of the better months to visit Hilton Head Island. Expect 25°C (77°F) during the day and 16°C (61°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 16°C (61°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Hilton Head Island in October

The days are predominantly sunny, with an estimated total of around 218 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in October

The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Hilton Head Island.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.

Hilton Head Island Temperature in October

Min Temperature 16°C (61°F)  

Max Temperature 25°C (77°F)  

Water Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 78 mm (3.1 in)  

Rainy days 8 days  

Sunshine 218 hours  

Percentage Sunshine 64%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Hilton Head Island typically drop from around 27°C (81°F) at the start of October to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 18°C (64°F).

Average temperatures in October

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

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Historical weather for Hilton Head Island in October

Browse day-by-day weather records for Hilton Head Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Hilton Head Island historical weather extremes in October

Based on weather observations in Hilton Head Island between 1976 and 2025, these are the recorded extremes during October.

• Hilton Head Island recorded its highest October temperature of 34°C (93°F) on October 2, 1986.
• On October 28, 1976, Hilton Head Island saw its coldest October day with temperatures maxing out at 10°C (50°F).
• The coldest night in October in Hilton Head Island was on October 29, 1976, with a minimum of 0°C (32°F).

What to Wear in Hilton Head Island in October

For Hilton Head Island in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Hilton Head Island in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.

More climate data for Hilton Head Island

Temperature Rainfall Sunshine Water Temp

See the full Hilton Head Island climate overview or explore weather in the United States of America.