Hilton Head Island weather by month

Check out Hilton Head Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Hilton Head Island (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
14°C maximum daytime temperature in January in Hilton Head Island14
16°C maximum daytime temperature in February in Hilton Head Island16
20°C maximum daytime temperature in March in Hilton Head Island20
24°C maximum daytime temperature in April in Hilton Head Island24
28°C maximum daytime temperature in May in Hilton Head Island28
31°C maximum daytime temperature in June in Hilton Head Island31
32°C maximum daytime temperature in July in Hilton Head Island32
31°C maximum daytime temperature in August in Hilton Head Island31
29°C maximum daytime temperature in September in Hilton Head Island29
25°C maximum daytime temperature in October in Hilton Head Island25
20°C maximum daytime temperature in November in Hilton Head Island20
16°C maximum daytime temperature in December in Hilton Head Island16
Min temperature (night-time)
4°C minimum night-time temperature in January in Hilton Head Island4
5°C minimum night-time temperature in February in Hilton Head Island5
9°C minimum night-time temperature in March in Hilton Head Island9
13°C minimum night-time temperature in April in Hilton Head Island13
18°C minimum night-time temperature in May in Hilton Head Island18
21°C minimum night-time temperature in June in Hilton Head Island21
23°C minimum night-time temperature in July in Hilton Head Island23
23°C minimum night-time temperature in August in Hilton Head Island23
21°C minimum night-time temperature in September in Hilton Head Island21
15°C minimum night-time temperature in October in Hilton Head Island15
10°C minimum night-time temperature in November in Hilton Head Island10
6°C minimum night-time temperature in December in Hilton Head Island6
Heat & Humidity
No heat & humidity in January in Hilton Head Island0
No heat & humidity in February in Hilton Head Island0
No heat & humidity in March in Hilton Head Island0
No heat & humidity in April in Hilton Head Island0
Moderate heat & humidity in May in Hilton Head IslandM
High heat & humidity in June in Hilton Head IslandH
Very high heat & humidity in July in Hilton Head IslandVH
Very high heat & humidity in August in Hilton Head IslandVH
High heat & humidity in September in Hilton Head IslandH
Low heat & humidity in October in Hilton Head IslandL
No heat & humidity in November in Hilton Head Island0
No heat & humidity in December in Hilton Head Island0
Sea temperature
17°C sea temperature in January in Hilton Head Island17
16°C sea temperature in February in Hilton Head Island16
16°C sea temperature in March in Hilton Head Island16
18°C sea temperature in April in Hilton Head Island18
23°C sea temperature in May in Hilton Head Island23
26°C sea temperature in June in Hilton Head Island26
28°C sea temperature in July in Hilton Head Island28
28°C sea temperature in August in Hilton Head Island28
27°C sea temperature in September in Hilton Head Island27
24°C sea temperature in October in Hilton Head Island24
20°C sea temperature in November in Hilton Head Island20
18°C sea temperature in December in Hilton Head Island18

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Hilton Head Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Hilton Head Island10
11 hours of daylight per day in February in Hilton Head Island11
12 hours of daylight per day in March in Hilton Head Island12
13 hours of daylight per day in April in Hilton Head Island13
14 hours of daylight per day in May in Hilton Head Island14
14 hours of daylight per day in June in Hilton Head Island14
14 hours of daylight per day in July in Hilton Head Island14
13 hours of daylight per day in August in Hilton Head Island13
12 hours of daylight per day in September in Hilton Head Island12
11 hours of daylight per day in October in Hilton Head Island11
11 hours of daylight per day in November in Hilton Head Island11
10 hours of daylight per day in December in Hilton Head Island10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Hilton Head Island3
UV (maximum) index 5 (Moderate) in February in Hilton Head Island5
UV (maximum) index 7 (High) in March in Hilton Head Island7
UV (maximum) index 9 (Very High) in April in Hilton Head Island9
UV (maximum) index 10 (Very High) in May in Hilton Head Island10
UV (maximum) index 10 (Very High) in June in Hilton Head Island10
UV (maximum) index 10 (Very High) in July in Hilton Head Island10
UV (maximum) index 10 (Very High) in August in Hilton Head Island10
UV (maximum) index 8 (Very High) in September in Hilton Head Island8
UV (maximum) index 6 (High) in October in Hilton Head Island6
UV (maximum) index 4 (Moderate) in November in Hilton Head Island4
UV (maximum) index 3 (Moderate) in December in Hilton Head Island3

Rainfall in Hilton Head Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Hilton Head Island10
9 days with some rainfall in February in Hilton Head Island9
9 days with some rainfall in March in Hilton Head Island9
7 days with some rainfall in April in Hilton Head Island7
9 days with some rainfall in May in Hilton Head Island9
11 days with some rainfall in June in Hilton Head Island11
13 days with some rainfall in July in Hilton Head Island13
13 days with some rainfall in August in Hilton Head Island13
10 days with some rainfall in September in Hilton Head Island10
6 days with some rainfall in October in Hilton Head Island6
6 days with some rainfall in November in Hilton Head Island6
8 days with some rainfall in December in Hilton Head Island8
Average monthly rainfall (mm)
91 mm monthly rainfall in January in Hilton Head Island91
82 mm monthly rainfall in February in Hilton Head Island82
104 mm monthly rainfall in March in Hilton Head Island104
70 mm monthly rainfall in April in Hilton Head Island70
101 mm monthly rainfall in May in Hilton Head Island101
144 mm monthly rainfall in June in Hilton Head Island144
171 mm monthly rainfall in July in Hilton Head Island171
193 mm monthly rainfall in August in Hilton Head Island193
134 mm monthly rainfall in September in Hilton Head Island134
71 mm monthly rainfall in October in Hilton Head Island71
56 mm monthly rainfall in November in Hilton Head Island56
75 mm monthly rainfall in December in Hilton Head Island75

More about Hilton Head Island

Hilton Head Island by month

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

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The climate guide for South Carolina (Hilton Head Island) shows long term monthly 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.

What's the climate like in Hilton Head Island?

Hilton Head Island has a temperate climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Hilton Head Island, South Carolina hurricane season

% of month affected by tropical storms
0
0
0
0
0
2.7%
1.7%
3.1%
4.2%
1.6%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Hilton Head Island with the USA

Below the Hilton Head Island chart shows average maximum daytime temperature for Hilton Head Island, South Carolina, USA and the USA (Washington).

Maximum daytime temperature (°C)

Hilton Head Island, South Carolina, USA
USA (Washington)
14
5
16
7
20
13
24
19
28
24
31
29
32
31
31
30
29
26
25
20
20
14
16
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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