Hilton Head Island Month by Month
Weather, Crowds, Swimming & What to Do Every Month of the Year
Hilton Head Island is a year-round destination, but every month has a different character. This guide covers what to realistically expect — weather, water temperature, crowd levels, and the best activities — for each month so you can plan the trip that fits your priorities.
January
WinterQuiet, mild, and uncrowded
Average highs in the low 60s°F, lows in the mid-40s. Occasional cold snaps can push temperatures below 40°F. Rain is possible but not dominant.
Water temperature around 55–58°F — too cold for most swimmers. Wetsuits required for water sports.
Low season. Beaches and restaurants are uncrowded. Many seasonal businesses are closed or on reduced hours.
Highlights
- Quiet beach walks with no crowds
- Birdwatching at Pinckney Island and Sea Pines Forest Preserve
- Golf at reduced rates — some of the best deals of the year
- Exploring the island without summer traffic
Events
Martin Luther King Jr. Day weekend sees some activity. Check the events calendar for local happenings.
Events CalendarJanuary is the best month for golf deals. Many courses offer their lowest rates of the year.
February
WinterStill quiet, first hints of spring
Average highs in the mid-60s°F, lows in the upper 40s. Warmer than January with more sunny days.
Water temperature around 57–60°F — still cold for swimming.
Low season. Slightly busier than January as spring break approaches.
Highlights
- Golf at excellent rates
- Birdwatching — migratory birds still present
- Uncrowded beaches and trails
- Valentine's Day weekend brings some visitors
Book a February golf trip for the best combination of good weather and low prices.
March
SpringSpring arrives — RBC Heritage month
Average highs in the low-to-mid 70s°F, lows in the mid-50s. Spring weather is generally pleasant with occasional rain.
Water temperature around 62–65°F — still cool but some hardy swimmers venture in.
Moderate. Spring break brings families in mid-to-late March. RBC Heritage week (typically mid-April but sometimes late March) draws significant crowds.
Highlights
- RBC Heritage PGA Tour event at Harbour Town Golf Links
- Spring wildflowers at Sea Pines Forest Preserve
- Comfortable temperatures for biking and hiking
- St. Patrick's Day events
Events
RBC Heritage (check exact dates annually). Spring break events at Coligny Plaza.
Events CalendarBook accommodation well in advance if your trip overlaps with RBC Heritage week — the island fills up completely.
April
SpringOne of the best months to visit
Average highs in the mid-to-upper 70s°F, lows in the low 60s. Warm, sunny, and pleasant.
Water temperature around 67–70°F — comfortable for swimming for most people.
Moderate. Busier around RBC Heritage week but manageable otherwise.
Highlights
- RBC Heritage PGA Tour event
- Excellent beach weather without summer crowds
- Comfortable temperatures for all outdoor activities
- Azaleas and spring flowers in bloom
April (outside Heritage week) is arguably the best month to visit — warm, uncrowded, and beautiful.
May
SpringWarm, beautiful, and still manageable
Average highs in the low-to-mid 80s°F, lows in the upper 60s. Warm and sunny.
Water temperature around 72–76°F — excellent for swimming.
Moderate, building toward summer. Memorial Day weekend is busy.
Highlights
- Warm beach weather
- Water sports season begins in earnest
- Dolphin tours and kayaking at their best
- Memorial Day weekend events
May is the last month before peak summer crowds. Visit early May for the best balance of weather and crowd levels.
June
SummerPeak season begins — hot and lively
Average highs in the upper 80s°F, lows in the mid-70s. Hot and humid. Afternoon thunderstorms are common.
Water temperature around 80–82°F — warm and excellent for swimming.
High season. Beaches, restaurants, and attractions are busy. Book everything in advance.
Highlights
- Warm ocean swimming
- Full calendar of water activities
- Live music and events most nights
- Longest days of the year
Plan outdoor activities for the morning. Afternoon thunderstorms (2–5 PM) are common in summer — use that window for indoor activities.
July
SummerPeak of peak season — hot, busy, festive
Average highs around 90°F, lows in the upper 70s. The hottest month. High humidity. Daily afternoon thunderstorms.
Water temperature around 83–85°F — the warmest of the year.
Maximum crowds. July 4th week is the busiest period of the year. Book months ahead.
Highlights
- Fourth of July fireworks and events
- Warmest ocean water of the year
- Full summer activity calendar
- Lively beach scene
Events
Fourth of July celebrations island-wide. Summer concert series. Check the events calendar.
Events CalendarJuly 4th week requires accommodation booked 3–6 months in advance. Expect traffic, full beaches, and wait times at restaurants.
August
SummerStill peak season, slightly quieter late month
Average highs around 89°F, lows in the upper 70s. Hot and humid. Hurricane season is active.
Water temperature around 83–84°F — still excellent.
High season, tapering slightly in the last week as school resumes in many states.
Highlights
- Warm ocean swimming
- Water sports at their peak
- Late-summer deals begin to appear
- Sunset cruises
Events
Late summer festivals. Check the events calendar. Hurricane season — monitor forecasts.
Events CalendarLate August can offer slightly better deals and fewer crowds than July while still having warm water and weather.
September
FallShoulder season — warm water, fewer crowds
Average highs in the mid-80s°F, lows in the upper 60s. Still warm but less humid than August. Hurricane season continues.
Water temperature around 80–82°F — still excellent for swimming.
Moderate and dropping. School is back in session; families have largely departed.
Highlights
- Warm ocean water with fewer people on the beach
- Better restaurant availability
- Lower accommodation rates
- Excellent conditions for kayaking and fishing
Events
Labor Day weekend is busy. Fall events begin mid-month. Check the events calendar.
Events CalendarSeptember is one of the best-kept secrets on Hilton Head — warm water, manageable crowds, and lower prices.
October
FallIdeal fall weather — a local favorite
Average highs in the upper 70s°F, lows in the low 60s. Comfortable and sunny. Low humidity.
Water temperature around 74–77°F — still comfortable for swimming.
Low-to-moderate. One of the least crowded months with excellent weather.
Highlights
- Perfect weather for all outdoor activities
- Golf at excellent conditions and rates
- Birdwatching — fall migration
- Uncrowded beaches
Events
Hilton Head Island Seafood Festival. Fall golf events. Halloween events late month.
Events CalendarOctober is arguably the best month for golf — perfect temperatures, low humidity, and good rates.
November
FallQuiet and pleasant — great for golf
Average highs in the upper 60s°F, lows in the low 50s. Cooler but still pleasant.
Water temperature around 68–70°F — cool but manageable for short swims.
Low season. Thanksgiving week brings some visitors.
Highlights
- Excellent golf conditions and rates
- Quiet beaches for walking
- Birdwatching — migratory species arriving
- Thanksgiving week dining events
Thanksgiving week is a popular time to visit — book accommodation early if traveling then.
December
WinterFestive and quiet — a different kind of beautiful
Average highs in the low-to-mid 60s°F, lows in the upper 40s. Cool and sometimes rainy.
Water temperature around 60–63°F — too cold for most swimmers.
Low season except for the week between Christmas and New Year's, which is moderately busy.
Highlights
- Holiday events and decorations at Harbour Town and Shelter Cove
- Quiet beach walks
- Golf at low rates
- Christmas week events
Events
Holiday events at Harbour Town. New Year's Eve celebrations. Check the events calendar.
Events CalendarThe week between Christmas and New Year's is a popular family visit time — book ahead if traveling then.
Best Times to Visit by Priority
Best weather + fewest crowds
April (non-Heritage week), May, September, October
Best for swimming
June through September (water 80–85°F)
Best for golf deals
January, February, November, December
Best for families
June, July, August (full activity calendar)
Best for birdwatching
October through April (migratory species)
Best for budget travel
January, February, November
Frequently Asked Questions
What is the best month to visit Hilton Head Island?+
When is hurricane season on Hilton Head Island?+
Is Hilton Head Island crowded in summer?+
Can you swim at Hilton Head in October?+
What is the weather like in Hilton Head in winter?+
Ready to Plan Your Trip?
Use our itineraries and directory to build the perfect Hilton Head visit for your chosen month.