Cool
Average highs are around 14°C, so pack for cooler days.
January verdict
Poor for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 5.6h per day, enough for a balanced month. Rainfall averages 91mm, so some wet days are possible.
Monthly averages
Temp
14°C
Rain
91mm
Sun
5.6h
Sea
14°C
Weather score
27
Poor
Cool
Average highs are around 14°C, so pack for cooler days.
Showers
Rainfall averages 91mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 14°C, so the water can feel cool.
Map
Compare Hilton Head, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
January14°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
January91mm average rain
January sits on the drier side of Hilton Head's year, which helps with sightseeing and transfers.
Driest monthsJanuary to February, April to May, and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January5.6 hours average sun
January is one of Hilton Head's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
January14°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to September
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
January27 weather score
January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.