Hilton Head Island
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Hilton Head Island Weather in January

January in Hilton Head Island brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 5°C (41°F). Quite a bit of rainfall is expected, around 66 mm (2.6 in), so pack an umbrella.

Rainfall in Hilton Head Island in January

You can expect rain on roughly 10 days based on historical data, averaging 66 mm (2.6 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Hilton Head Island in January

In January, expect moderate temperatures in Hilton Head Island, with highs of 15°C (59°F) and lows of 5°C (41°F) at night. Experience the winter season in January. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. On average, it is the month with the lowest temperatures of the year. However, the temperature is still pleasant and it won't ever get really cold.

Sunshine in Hilton Head Island in January

With about 187 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Average water temperature in January

With water at 14°C (57°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

Should you favor a climate that's both dry and comfortably warm, March, April, May, October and November typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Hilton Head Island Temperature in January

Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F)
Chance of Rain
32%
Precipitation
66 mm (2.6 in)
Rainy days
10 days
Sunshine
187 hours
Percentage Sunshine
60%

Hilton Head Island Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hilton Head Island - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Hilton Head Island typically stay consistent throughout January, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Hilton Head Island in January

Browse day-by-day weather records for Hilton Head Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Hilton Head Island historical weather extremes in January

According to our 49 years of weather records for Hilton Head Island, the following extremes were recorded between 1976 and 2025.

  • The hottest January day on record in Hilton Head Island reached 27°C (81°F) (January 1, 2019).

Best Places in the United States of America in January

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Hilton Head Island in January

Pack for changing conditions in Hilton Head Island in January. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Hilton Head Island in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Hilton Head Island 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.