Hilton Head Island (SC) Climate by Month
The temperature in Hilton Head Island can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and mild during the cooler months.
It also has a notably wet climate with much precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
Visitors to Hilton Head Island can expect significant temperature changes throughout the year. Average daytime temperatures range from a very warm 32°C in July, the warmest time of the year, to a moderate 15°C during cooler months like January. At night, temperatures typically average around 5°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Hilton Head Island is known for its substantial rainfall, with annual precipitation reaching 1144 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, August receives heavy rainfall, averaging 199 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, November brings less rainfall, with 50 mm over 7 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
While the amount of sunshine in Hilton Head Island varies throughout the year, all seasons offer their own charm. Enjoy up to 9.3 hours of daily sun in May, and experience slightly darker atmosphere in November, with about 6.0 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average water temperature
The mean water temperature over the year in Hilton Head Island ranges from 14°C in February to 29°C in August.
Water temperature over the year
The best time of year to visit Hilton Head Island in the United States of America
During the months of March, April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 15°C.
August tops the wettest month list with 199 mm of rainfall.
November is the driest month with 50 mm of precipitation.
May is the sunniest month with an average of 280 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
