Hilton Head Island, SC, December 21, 2025
News Summary
Hilton Head Island experienced a foggy morning with temperatures starting at 46°F (8°C) and expected to rise to 56°F (14°C) by noon. Residents are advised to prepare for light fog throughout the morning while enjoying their Sunday activities. December brings generally mild weather with a UV index of 3, urging sun protection for those venturing outside. Upcoming events like ‘Brunch with Santa’ on December 21 adds to the festive cheer. Overall, it promises to be a beautiful Sunday on the island.
Foggy Start to Sunday in Hilton Head Island, SC
Good morning, community! If you’re waking up in Hilton Head Island today, you might want to grab your favorite mug of coffee and a cozy blanket. This Sunday kicked off with a bit of a foggy vibe, bringing some mysterious charm to our lovely shores. As the clock struck 6:00 AM, the temperature settled at a crisp 46°F (8°C) while the mist embraced the island.
What to Expect for Today’s Weather
As we move further into the morning, the foggy conditions are expected to stick around. The forecast predicts that temperatures will slowly rise, reaching about 56°F (14°C) by noon. So for those of you planning to head outside, be prepared for some light fog until later in the day. Here’s a quick overview of how the temperature will change throughout the morning:
- 1:00 AM: Foggy, 46°F (8°C)
- 2:00 AM: Foggy, 45°F (7°C)
- 3:00 AM: Foggy, 43°F (6°C)
- 4:00 AM: Foggy, 41°F (5°C)
- 5:00 AM: Foggy, 40°F (4°C)
- 6:00 AM: Foggy, 42°F (6°C)
- 7:00 AM: Foggy, 42°F (6°C)
- 8:00 AM: Foggy, 43°F (6°C)
- 9:00 AM: Foggy, 46°F (8°C)
- 10:00 AM: Foggy, 50°F (10°C)
- 11:00 AM: Foggy, 53°F (12°C)
- 12:00 PM: Foggy, 56°F (14°C)
Let’s Talk Skin Protection!
The UV index will hit a maximum of 3—classified as moderate—at noon, so it would be wise to slap on some sunscreen if you’re heading out during the sunny spells later in the day.
Sunshine Timing
For those looking to catch some sunlight, the sunrise today happened around 7:20 AM, and if you’re a sunset chaser, make sure to catch the sky painted with hues of orange and pink at about 5:21 PM. In December, we’re enjoying a total of about 10 hours and 1 minute of daylight.
December in Hilton Head Island
It’s worth noting that December weather around here is generally mild, with average high temperatures around 61°F (16°C) and lows dipping to about 42°F (6°C). The rainfall average for the month is around 3.1 inches, giving the island its beautiful green landscape.
Upcoming Events and Activities
Speaking of December, there are plenty of fun activities lined up. Mark your calendars for December 21 when you can enjoy a delightful “Brunch with Santa” at Alexander’s Restaurant & Wine Bar. It’ll surely be a joyous occasion with lots of festive cheer! Don’t forget to make a reservation!
Also, if you have a weekly routine, don’t miss out on the local farmers’ markets at the Coastal Discovery Museum and Shelter Cove Community Park, where you can find fresh produce, baked goods, and so much more!
Safety from Hurricanes
December is a welcome reprieve from hurricane worries as it falls outside the usual hurricane season which spans from June through November. You can enjoy the gentle breezes without the stormy stress!
Take a Dip
If you’re curious about the ocean, the average water temperature can be expected to hover around 61.2°F (16.2°C). Perfect for a brisk swim if you’re feeling adventurous!
So there you have it, Hilton Head! With a foggy start and mild temperatures, it’s shaping up to be a lovely Sunday. Don’t forget to soak in everything this beautiful island has to offer.
Frequently Asked Questions (FAQ)
What is the temperature in Hilton Head Island today?
The temperature this morning started at around 46°F (8°C) and is expected to rise to 56°F (14°C) by noon.
Is there a chance of rain this December in Hilton Head?
The average rainfall for December is about 3.1 inches, so while it’s typically mild, expect some occasional rain.
What events are happening this December in Hilton Head Island?
One of the highlight events includes “Brunch with Santa” on December 21 at Alexander’s Restaurant & Wine Bar.
Key Features Summary
| Feature | Details |
|---|---|
| Current Temperature | 46°F (8°C) |
| Forecast High | 56°F (14°C) |
| UV Index | 3 (Moderate) |
| Sunrise | 7:20 AM |
| Sunset | 5:21 PM |
| Average December Rainfall | 3.1 inches |
Author: STAFF HERE HILTON HEAD
The HILTON HEAD STAFF WRITER represents the experienced team at HEREHiltonHead.com, your go-to source for actionable local news and information in Hilton Head Island, Beaufort County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the RBC Heritage golf tournament, Hilton Head Island Wine & Food Festival, and the Gullah Celebration. Our coverage extends to key organizations like the Hilton Head Island-Bluffton Chamber of Commerce and Community Foundation of the Lowcountry, plus leading businesses in tourism and hospitality that power the local economy such as Sea Pines Resort and Sonesta Resort Hilton Head Island. As part of the broader HERE network, including HEREAiken.com, HEREBeaufort.com, HEREChapin.com, HERECharleston.com, HEREClinton.com, HEREColumbia.com, HEREGeorgetown.com, HEREGreenwood.com, HEREGreenville.com, HEREHiltonHead.com, HEREIrmo.com, HEREMyrtleBeach.com, HERENewberry.com, HERERockHill.com, and HERESpartanburg.com, we provide comprehensive, credible insights into South Carolina's dynamic landscape.

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