Average Monthly Sunshine in Hilton Head Island (SC)

The graphs on this page shows the average number of hours per month and per day that Hilton Head Island receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Across the seasons, sunshine hours in Hilton Head Island vary. From a high of 280 hours in May, to a low of 181 hours in November, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2772 hours.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. May sees up to 9.3 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.0 hours of sun despite this cloudier / rainier time of the year.

Hilton Head Island’s total hours of sunshine compared to other major cities

Hilton Head Island enjoys an average of 2772 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast, dark winter and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.

Other climate information

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

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