Hilton Head Weather in December: Temperature, Precipitation, Wind

Temperature
10.6°C
51.1°F
High temperature
17.6°C
63.7°F
Low temperature
4.7°C
40.5°F
Feels like
9.6°C
49.3°F
Rainy days
7 days
Rainfall level
1.13mm
0.04 inch
Cloud coverage
21.1%
Wind speed
27.4km/h
17.1mph
Daylight time
10:03:49
UV index
5.3
1
clear day
9.7°C
49.0°F
2
rain
14.0°C
57.0°F
3
clear day
13.0°C
55.0°F
4
clear day
9.5°C
49.0°F
5
clear day
11.0°C
52.0°F
6
clear day
11.8°C
53.0°F
7
wind
16.3°C
61.0°F
8
clear day
18.7°C
66.0°F
9
clear day
9.5°C
49.0°F
10
clear day
4.9°C
41.0°F
11
clear day
10.5°C
51.0°F
12
partly cloudy day
11.2°C
52.0°F
13
rain
11.3°C
52.0°F
14
rain
11.1°C
52.0°F
15
rain
9.6°C
49.0°F
16
clear day
8.2°C
47.0°F
17
clear day
11.5°C
53.0°F
18
clear day
8.6°C
47.0°F
19
clear day
11.7°C
53.0°F
20
partly cloudy day
13.9°C
57.0°F
21
rain
14.8°C
59.0°F
22
partly cloudy day
14.8°C
59.0°F
23
rain
15.7°C
60.0°F
24
rain
13.0°C
55.0°F
25
clear day
4.1°C
39.0°F
26
clear day
5.7°C
42.0°F
27
clear day
5.2°C
41.0°F
28
clear day
5.2°C
41.0°F
29
clear day
5.2°C
41.0°F
30
clear day
8.2°C
47.0°F
31
clear day
10.8°C
51.0°F

Hilton Head, United States in December experiences mild winter conditions with comfortable daytime temperatures and cooler nights. The average temperature hovers around 10.6°C (51.1°F), with daily highs reaching 17.6°C (63.7°F) and lows dipping to 4.7°C (40.5°F). Visitors to popular spots like Coligny Beach Park or Harbour Town Lighthouse will feel temperatures around 9.6°C (49.3°F) due to wind chill effects.

December in Hilton Head brings relatively dry conditions. Precipitation averages 1.13 inches (28.7 mm) for the month, with rain falling on approximately 7 days. The probability of precipitation on any given day stands at 22.6%. Cloud cover remains minimal, averaging 21.1%, allowing for ample sunshine at locations such as Sea Pines Forest Preserve.

Wind plays a significant role in Hilton Head’s December climate. Average wind speeds measure 27.4 km/h (17 mph), with gusts reaching up to 46.3 km/h (28.8 mph). These breezy conditions contribute to the average feels-like temperature of 9.6°C (49.3°F), which drops to 2.4°C (36.3°F) during the coldest parts of the night.

Humidity levels in December average 59.1%, creating a comfortable atmosphere for outdoor activities at Pinckney Island National Wildlife Refuge. Atmospheric pressure remains steady at 1019.1 hPa, indicating stable weather patterns throughout the month.

Visitors to Hilton Head in December enjoy excellent visibility, averaging 15.8 km (9.8 miles). The UV index reaches a moderate level of 5.3, necessitating sun protection during midday hours, especially when exploring Hilton Head Island Beach.

Sunrise occurs around 7:32 AM, while sunset takes place at approximately 5:36 PM, providing about 10 hours of daylight for activities such as golfing at Harbour Town Golf Links or cycling along the island’s extensive bike paths.

What is the temperature in Hilton Head in December?

Average air temperature in Hilton Head is 10.6°C (51.1°F) in December. The outside temperature in Hilton Head feels like 9.6°C (49.3°F) on a typical December day. The highest average temperature during sunny days is 17.6°C (63.7°F) and feels like 17.5°C (63.5°F). The lowest average temperature after dark is 4.7°C (40.5°F) which feels like 2.4°C (36.3°F).

Daily Temperature in Hilton Head in December 0°C / 32.0°F 5°C / 41.0°F 10°C / 50.0°F 15°C / 59.0°F 20°C / 68.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Hilton Head in December?

The hot temperature in December in Hilton Head rises to 26.4°C (79.5°F) on sunny days with low cloud coverage and 59.1% humidity. During hottest days of December it feels like 26.4 °C (79.5°F). The average maximum temp in Hilton Head is 17.6°C (79.5°F) during day time in December.

How cold is Hilton Head in December?

The coldest temp in Hilton Head in December drops to -2.5°C (27.5°F) during the cold nights. With 27.4km/h (17.1mph) winds and 59.1% humidity it feels like -6.1°C (21°F) on the coldest nights. The average minimum temperature is 4.7°C (40.5°F) during night time in December.

Does it rain in Hilton Head in December?

Yes, it rains for 7 days in Hilton Head, United States in December averaging 1.13 mm of precipitation. Hilton Head has a 22.6% chance for rain throughout the entire month of December.

How much does it rain in Hilton Head throughout December?

Hilton Head has 1.13 mm (0.04 inch) of rain per day on average in December. It rains for an average of 7 days out of the entire month.

Is Hilton Head windy in December?

The average speed of wind in Hilton Head, United States during December is 27.4km/h (17.1mph) and average windgust is 46.3km/h (28.8mph). On some days in December wind can reach up to 48.7km/h (30.3mph).

Daily wind speed in Hilton Head in December 0km/h (0mph) 13km/h (8mph) 26km/h (16mph) 39km/h (24mph) 52km/h (32mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

What is the direction of the wind in Hilton Head in December?

Most days of December the wind is blowing from South-Southwest direction in Hilton Head.

What are the humidity levels in Hilton Head in December?

The average humidity levels in Hilton Head in December are 59.1%. Daily humidity levels in Hilton Head range from 28.1% to 90.4% during December.

Daily humidity levels in Hilton Head in December 0% 23% 46% 69% 92% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Hilton Head in December?

Hilton Head has 10 hours 03 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Hilton Head in December is at 7:32:51 and the sunset is at 17:36:41.

What is the cloud coverage in Hilton Head in December?

Clouds cover 21.1% of the sky on average throughout December in Hilton Head. The cloud coverage ranges from 0% to 99.6% depending on the day of the month.

What is the UV level in December in Hilton Head?

The average UV index in Hilton Head is 5.3 in December. UV levels change throughout the month and range from 2 to 6.

What is the solar radiation in Hilton Head in December?

The average solar radiation is 126.7 W/m2 (Watts per square meter) in Hilton Head during December. However solar radiation levels change throughout the month and range from 34.2 W/m2 to 156.7 W/m2.

What is the solar energy during December in Hilton Head?

The average solar energy during December in Hilton Head is 11 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.9 MJ/m2, to 13.6 MJ/m2 during December.

Are there severe weather risks in Hilton Head in December?

Yes, there is a 10% risk for severe weather in Hilton Head, United States in December.

What is the air pressure in Hilton Head in December?

On average the air pressure in Hilton Head in December is 1019.1 mb (millibars). Throughout the month the sea level pressure ranges from 1005.7 mb to 1026.9 mb.

What is the visibility in Hilton Head in December?

The average daylight visibility in Hilton Head in December is 15.8 km (9.8 miles). Depending on the precipitation the visibility ranges from 12.5 km (7.8 miles) to 16 km (9.9 miles) throughout December.

What is the dew point in Hilton Head in December?

The average dew point in Hilton Head during December is 1.8°C (35.2°F).

Where is the data for Hilton Head climate in December coming from?

The climate data for Hilton Head, South Carolina, United States in December is collected from the following weather stations.

  • ABILENE DYESS AFB, TX US
  • SWEETWATER AVENGER FIELD, TX US
  • ABILENE REGIONAL AIRPORT, TX US
  • BRONTE 11 NNE, TX US
  • HAMBY TX US
  • KABI
  • KDYS