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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
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%
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 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 →
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Hilton Head Island climate overview or explore weather in the United States of America.
