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Hilton Head Island (SC)
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United States weather

Weather in Hilton Head Island, South Carolina for December 2025

Your guide to Hilton Head Island weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Hilton Head Island is slightly cooler than the historical average by -0.7 °F.

  • The forecast for the coming days of December 2025 predicts a temperature of 17.5 °F , which is warmer than usual.

  • In general, the average temperature in Hilton Head Island at the beginning of December is 12.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.1 °F by the end of December.

    • Rain 🌧️

  • Hilton Head Island experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 68.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/9°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Hilton Head Island Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
14°
2
Sunny
15°
3
Sunny
10°
4
Sunny
11°
5
Overcast
14°
6
Overcast
10°
7
Partly cloudy
12°
8
Sunny
14°
9
Overcast
14°
10
Overcast
17°
11
Moderate rain
15°
12
Sunny
14°
13
Overcast
15°
14
Overcast
15°
15
Overcast
10°
16
Overcast
16°
17
Overcast
14°
18
Heavy rain
17°
19
Cloudy
21°
20
Sunny
14°
21
Sunny
18°
22
Sunny
13°
23
Sunny
14°
24
Partly cloudy
18°
25
Sunny
21°
26
Sunny
20°
27
Sunny
20°
28
Sunny
20°
29
Sunny
17°
30
Overcast
15°
31
Sunny
14°

Temperatures trend during December in Hilton Head Island

See the weather trend as well as the moving average line

December weather in Hilton Head Island day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Sunny
Sunny
 14° /8° 0.6 mm 4
Dec. 2 Sunny
Sunny
 15° /7° 19.5 mm 4
Dec. 3 Sunny
Sunny
 10° /5° 0 mm 3
Dec. 4 Sunny
Sunny
 11° /4° 0 mm 4
Dec. 5 Overcast
Overcast
 14° /9° 4.8 mm 3
Dec. 6 Overcast
Overcast
 10° /6° 6.1 mm 3
Dec. 7 Partly cloudy
Partly cloudy
 12° /6° 16.9 mm 4
Dec. 8 Sunny
Sunny
 14° /7° 0 mm 4
Dec. 9 Overcast
Overcast
 14° /8° 0 mm 4
Dec. 10 Overcast
Overcast
 17° /11° 0 mm 5
Dec. 11 Moderate rain
Moderate rain
 15° /8° 13 mm 4
Dec. 12 Sunny
Sunny
 14° /6° 0 mm 5
Dec. 13 Overcast
Overcast
 15° /10° 0 mm 4
Dec. 14 Overcast
Overcast
 15° /8° 0 mm 4
Dec. 15 Overcast
Overcast
 10° /5° 0 mm 3
Dec. 16 Overcast
Overcast
 16° /12° 0 mm 4
Dec. 17 Overcast
Overcast
 14° /7° 0 mm 0.5
Dec. 18 Heavy rain
Heavy rain
 17° /14° 55.6 mm 0.2
Dec. 19 Cloudy
Cloudy
 21° /11° 0 mm 0.4
Dec. 20 Sunny
Sunny
 14° /8° 0 mm 0.7
Dec. 21 Sunny
Sunny
 18° /9° 0 mm 0
Dec. 22 Sunny
Sunny
 13° /10° 0 mm 4
Dec. 23 Sunny
Sunny
 14° /6° 0 mm 4
Dec. 24 Partly cloudy
Partly cloudy
 18° /11° 0 mm 4
Dec. 25 Sunny
Sunny
 21° /13° 0 mm 5
Dec. 26 Sunny
Sunny
 20° /14° 0 mm 5
Dec. 27 Sunny
Sunny
 20° /14° 0 mm 5
Dec. 28 Sunny
Sunny
 20° /14° 0 mm 5
Dec. 29 Sunny
Sunny
 17° /10° 0 mm 4
Dec. 30 Overcast
Overcast
 15° /8° 0 mm 4
Dec. 31 Sunny
Sunny
 14° /6° 0 mm 4
Next
Important Notice
Our weather forecast for Hilton Head Island in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hilton Head Island forecast closer to your planned date for the most up-to-date weather information.
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Hilton Head Island in December - FAQ

What are the expected maximum and minimum temperatures in Hilton Head Island during December?
During December, expect a variety of temperatures with highs around 14° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hilton Head Island during December?
Moderate rainfall is anticipated in Hilton Head Island during December, with a total of 68.9 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hilton Head Island during December?
The average wind speed in Hilton Head Island during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Hilton Head Island

Explore the daily rainfall trends and prepare for Hilton Head Islands December weather 💧
Typically, Hilton Head Island has 6 rainy days in December with a total of 68.9 mm of rainfall.

UV exposure in Hilton Head Island during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️

Quick links

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Location coordinates Where is Hilton Head Island?

Get accurate weather forecasts for Hilton Head Island, located at latitude 32.194 and longitude -80.738. Stay updated with localized weather information tailored for Hilton Head Island.

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