Hilton Head Island (SC) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Hilton Head Island, South Carolina, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Hilton Head Island experiences sunny spells throughout the year. The sunniest month, May, sees up to 280 hours of sunshine, while November, the least sunny month, still provides a respectable 181 hours. The total annual sunshine amounts to 2785 hours.

Daily hours of sunshine

This means you will experience moderate variation in sunshine hours throughout the year. With 9.3 hours daily sunshine in May, it dips to 6.0 hours in November.

Average percent of sunshine

On average the sun shines 69% of the time during the day in April, the highest percentage of any month. November has the lowest percentage at 55%.

Hilton Head Island enjoys an average of 2785 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

August, Hilton Head Island’s wettest month, receives 121 mm (4.8 in) of rainfall and has a maximum daytime temperature of 32°C (90°F). During the driest month November you can expect a temperature of 20°C (68°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Hilton Head Island Precipitation page.