December Weather on Hilton Head Island
December on Hilton Head Island offers a peaceful coastal escape with mild winter temperatures, lower humidity, and plenty of sunny days. While much of the country experiences snow and freezing temperatures, Hilton Head enjoys a relatively mild climate that makes it an attractive destination for holiday getaways, golf vacations, and winter retreats.
Visitors searching for Hilton Head Island weather in December can expect cool mornings, comfortable afternoons, and crisp evenings that are perfect for enjoying the island's beaches, nature trails, and festive holiday events.
Average Temperatures in December
The average temperature on Hilton Head Island in December is cool but comfortable compared to many northern destinations.
- Average High: 61–66°F (16–19°C)
- Average Low: 43–48°F (6–9°C)
Daytime temperatures are often pleasant enough for outdoor dining, sightseeing, and long walks on the beach. Evenings become noticeably cooler, so packing warm layers is recommended.
Humidity in December
December is one of the least humid months of the year on Hilton Head Island.
- Average humidity: 55–65%
- Feels-like temperatures: Generally very close to the actual air temperature
The dry, comfortable air makes it an excellent time for golfing, biking, birdwatching, and exploring the island's parks and preserves.
Average Rainfall in December
December is typically one of Hilton Head Island's driest months.
- Average rainfall: about 2.5–3 inches
- Average rainy days: 5–6 days
Rain is usually light and short-lived, allowing visitors to enjoy outdoor activities on most days.
Ocean Water Temperature
The Atlantic Ocean continues to cool throughout December.
- Average ocean temperature: 60–64°F
While swimming is uncommon this time of year, many visitors still enjoy walking along the shoreline, watching dolphins, collecting seashells, and taking in spectacular winter sunrises.
What to Wear on Hilton Head Island in December
Packing for Hilton Head Island in December means preparing for cool mornings and evenings with comfortable afternoons.
Recommended clothing includes:
- Long pants or jeans
- Long-sleeve shirts
- Sweaters or fleece pullovers
- A light to medium-weight jacket
- Comfortable walking shoes
- Sunglasses and sunscreen for sunny afternoons
Layering is the best approach since temperatures can vary by 20 degrees or more between early morning and mid-afternoon.
Are Dogs Allowed on the Beach in December?
December is one of the best months to visit Hilton Head Island with your dog.
From October 1 through March 31, dogs are allowed on the beach at any time of day as long as they remain on a leash. Cooler temperatures and quieter beaches make December ideal for long walks with your four-legged companion.
Why Visit Hilton Head Island in December?
December offers a completely different side of Hilton Head Island. Holiday lights, festive events, and peaceful beaches create a relaxing atmosphere that's perfect for escaping colder northern climates. Golf courses remain open year-round, restaurants are easier to enjoy without peak-season waits, and the island's natural beauty shines during the quieter winter months.
Whether you're planning a holiday vacation, a winter golf trip, or simply looking to recharge by the coast, Hilton Head Island weather in December provides comfortable conditions for exploring everything the island has to offer
