Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
May verdict
Hilton Head Island, South Carolina, United States in May
Weather score79Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 9.2h per day, so bright days are a strong part of the month. Rainfall averages 101mm, so some wet days are possible.
May weather
Monthly averages
Temp
28°C
Rain
101mm
Sun
9.2h
Weather score
79
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 101mm, so some wet days are possible.
Bright
Sunshine averages 9.2h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Hilton Head Island, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May28°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May101mm average rain
May sits near Hilton Head Island'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
May9.2 hours average sun
May is one of Hilton Head Island's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
May79 weather score
May is one of Hilton Head Island's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to June and September to October
These months have the strongest weather score in the monthly averages.
Hotels in Hilton Head Island, South Carolina, United States
Marriott
The Westin Hilton Head Island Resort & SpaHilton Head Island, South Carolina, USA
Courtyard Hilton Head IslandHilton Head Island, South Carolina, USA
SpringHill Suites by Marriott Hilton Head IslandHilton Head Island, South Carolina, USA
Marriott's Grande OceanHilton Head Island, South Carolina, USA
Marriott's Harbour ClubHilton Head Island, South Carolina, USA
Marriott's Heritage ClubHilton Head Island, South Carolina, USA