Cool
Average highs are around 20°C, so pack for cooler days.
March verdict
Hilton Head, South Carolina, United States in March
Weather score41Mixed
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 104mm, so some wet days are possible.
March weather
Monthly averages
Temp
20°C
Rain
104mm
Sun
7.5h
Sea
15°C
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 104mm, so some wet days are possible.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Hilton Head, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
March20°C average high
March is on the cooler side of Hilton Head's year, useful if you prefer less intense daytime heat.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
March104mm average rain
March sits near Hilton Head's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
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.
Sun
March7.5 hours average sun
March sits close to Hilton Head's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
March15°C average sea
March 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.
Weather score
March41 weather score
March scores below Hilton Head's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.
