World Resorts USA Hilton Head Island Weather

Hilton Head Island weather in December

Weather in Hilton Head Island: December

Average day temperature: 59.7°F
Average night temperature: 51.8°F
Sea water temperature: 58.0°F
Number of sunny days: 14 days
Day length: 10.0 - 10.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 69°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during December were 58.2°F and 53.8°F.

Sea water temperature in Hilton Head Island in December, °F

Show year:
2023
2022
2021

The average sea water temperature in December of 2023 was 56.6°F. The highest and lowest sea temperatures during the month were 60.4°F and 52.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are sunny but cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Hilton Head Island in December is 0.9 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 7.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.8.

Best time for vacation in Hilton Head Island

Sunniest months:
October 16 days
April 16 days
December 14 days
Warmest months:
July 87.6 °F
August 86.2 °F
June 84.3 °F
Warmest sea temp:
August 85.2 °F
July 85.0 °F
September 81.9 °F
Coldest months:
January 57.2 °F
December 59.7 °F
February 60.9 °F
Rainiest months:
August 6 days
July 6 days
March 4 days
Windiest months:
April 8.0 mph
March 7.7 mph
January 7.7 mph

Hilton Head Island on a weather map

Hilton Head Island
+63°F
E 17 mph
Feels like: +63°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Hilton Head Island
Local time: 14:18
November 21, thursday
1500
63°F
E
17 mph
1800
63°F
E
18 mph
2100
57°F
E
14 mph
November 22, friday
0000
54°F
E
15 mph
0300
50°F
E
16 mph
0600
46°F
E
17 mph
0900
48°F
E
19 mph
1200
52°F
SE
21 mph
Units of measurement: °C / °F