Hilton Head Island Weather in March
March in Hilton Head Island typically sees daytime highs of 20°C (68°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Hilton Head Island in March
Historically, March sees about 7 days of rain, with a monthly average of 80 mm (3.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Hilton Head Island in March
March is a good time to be in Hilton Head Island. Days are perfect, reaching 20°C (68°F), with nights around 10°C (50°F). Conditions are often most pleasant around the middle of the day. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Hilton Head Island in March
Enjoy a sunny month with about 251 hours of sunshine, the clear skies make Hilton Head Island even more beautiful.
Average water temperature in March
The water is 15°C (59°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If your ideal day consists of dry skies and pleasant temperatures, March, April, May, October and November typically offer the best circumstances for Hilton Head Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
Hilton Head Island Temperature in March
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Water Temperature
15°C (59°F)
Chance of Rain
23%
Precipitation
80 mm (3.1 in)
Rainy days
7 days
Sunshine
251 hours
Percentage Sunshine
67%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hilton Head Island typically rise from around 19°C (66°F) at the start of March to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 13°C (55°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Hilton Head Island in March
Browse day-by-day weather records for Hilton Head Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hilton Head Island historical weather extremes in March
According to our 50 years of weather records for Hilton Head Island, the following extremes were recorded between 1976 and 2026.
- On March 20, 1982, temperatures climbed to 32°C (90°F), marking the warmest March day on record.
- The coldest night in March in Hilton Head Island was on March 3, 1980, with a minimum of -6°C (21°F).
Best Places in the United States of America in March
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →
perfect weather
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What to Wear in Hilton Head Island in March
Pleasant temperatures in March mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 15°C (59°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Hilton Head Island in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilton Head Island's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Hilton Head Island climate overview or explore weather in the United States of America.
