Hilton Head Island weather in October 2025

Q: How hot is it in Hilton Head Island in October?

Daytime temperatures usually reach 25°C in Hilton Head Island in October with low heat and humidity, falling to 15°C at night.

Q: How sunny is it in Hilton Head Island in October?

There are normally 7 hours of bright sunshine each day in Hilton Head Island in October - that's 63% of daylight hours.

Q: How warm is the sea around Hilton Head Island in October?

The average sea temperature around Hilton Head Island in October is 24°C.

Q: Does it rain in Hilton Head Island in October?

There are usually 6 days with some rain in Hilton Head Island in October and the average monthly rainfall is 71mm.

Q: What is the chance of a cyclone in Hilton Head Island in October?

On average less than 1 day in October in Hilton Head Island is likely to be affected by the passage of one or more tropical storms.

Expect 77°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Hilton Head Island in October. Check more long-term weather averages for Hilton Head Island in October before you book your next holiday to South Carolina in 2025/2026.

77
77°F max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
59
59°F min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
2.8
2.8 inches of monthly rainfall
6
6 (High) UV index
75
75°F sea temperature

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The October weather guide for South Carolina (Hilton Head Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Hilton Head Island in October?

Daytime temperatures usually reach 77°F in Hilton Head Island in October with low heat and humidity, falling to 59°F at night.

How sunny is it in Hilton Head Island in October?

There are normally 7 hours of bright sunshine each day in Hilton Head Island in October - that's 63% of daylight hours.

How warm is the sea around Hilton Head Island in October?

The average sea temperature around Hilton Head Island in October is 75°F.

Does it rain in Hilton Head Island in October?

There are usually 6 days with some rain in Hilton Head Island in October and the average monthly rainfall is 2.8 inches.

What is the chance of a hurricane in Hilton Head Island in October?

On average less than 1 day in October in Hilton Head Island is likely to be affected by the passage of one or more tropical storms.

Hilton Head Island October sunrise & sunset times

Browse the sunrise and sunset times for Hilton Head Island in October 2025. Select a month to view Hilton Head Island sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st October 2025	06:17	18:07
Thursday, 16th October 2025	06:28	17:49
Friday, 31st October 2025	06:39	17:33

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South Carolina - quick facts
Flight time^✝	11.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture
Tourist info	South Carolina Department of Parks, Recreation & Tourism