Weather
Weather in Hilton Head Island by month
The best time to visit is April–May and September–November, with average highs of 20–28°C and moderate rain. July is the warmest month (about 29°C by day) and January the coolest (10°C at night); August is the wettest (around 157 mm of rain) and November the driest.
Hilton Head Island weather by month
| Month | Jan | Feb | Mar | Apr★ | May★ | Jun | Jul | Aug | Sept★ | Oct★ | Nov★ | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High / Low (°C) | 15° 10° | 15° 11° | 18° 14° | 21° 18° | 25° 22° | 28° 26° | 29° 27° | 29° 27° | 28° 25° | 24° 21° | 20° 16° | 17° 13° |
| Rain (mm) | 63 | 78 | 82 | 72 | 89 | 148 | 129 | 157 | 106 | 89 | 56 | 85 |
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER
Hilton Head Island month by month
January
15°/ 10°Cool
63 mm · fairly dryPack: Jacket and a sweater
Good trips this month
Cool and fairly dry: around 15°C by day and 10°C at night, with about 63 mm of rain.
February
15°/ 11°Cool
78 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 15°C by day and 11°C at night, with about 78 mm of rain.
March
18°/ 14°Mild
82 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 18°C by day and 14°C at night, with about 82 mm of rain.
- ★ Best time
April
21°/ 18°Mild
72 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 21°C by day and 18°C at night, with about 72 mm of rain.
- ★ Best time
May
25°/ 22°Warm
89 mm · some rainPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and some rain: around 25°C by day and 22°C at night, with about 89 mm of rain.
June
28°/ 26°Warm
148 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 28°C by day and 26°C at night, with about 148 mm of rain.
July
29°/ 27°Warm
129 mm · some rainPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and some rain: around 29°C by day and 27°C at night, with about 129 mm of rain.
August
29°/ 27°Warm
157 mm · wetPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and wet: around 29°C by day and 27°C at night, with about 157 mm of rain.
- ★ Best time
September
28°/ 25°Warm
106 mm · some rainPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and some rain: around 28°C by day and 25°C at night, with about 106 mm of rain.
- ★ Best timeThis month
October
24°/ 21°Warm
89 mm · some rainPack: T-shirts, plus a layer for evenings · umbrella
Good trips this month
Warm and some rain: around 24°C by day and 21°C at night, with about 89 mm of rain.
- ★ Best time
November
20°/ 16°Mild
56 mm · fairly dryPack: Light layers and a light jacket
Good trips this month
Mild and fairly dry: around 20°C by day and 16°C at night, with about 56 mm of rain.
December
17°/ 13°Cool
85 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 17°C by day and 13°C at night, with about 85 mm of rain.
Weather questions about Hilton Head Island
Quick answers
When is the best time to visit Hilton Head Island?
What's the weather like in Hilton Head Island in October?
Warm and some rain: around 24°C by day and 21°C at night, with about 89 mm of rain. Pack: T-shirts, plus a layer for evenings, umbrella. October is one of the best months to visit.
When is the best time for boat trips in Hilton Head Island?
March–May, July and September–November: that's when the weather suits it best — warm enough and mostly dry.
When is the best time for sightseeing in Hilton Head Island?
October–April: that's when the weather suits it best — warm enough and mostly dry.
What is the warmest month in Hilton Head Island?
July: average highs of about 29°C and lows of 27°C.
Which month has the most rain in Hilton Head Island?
How cold does Hilton Head Island get?
In January, the coolest month, days average 15°C and nights 10°C. Frost is rare.
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER · Hilton Head Tours