World Resorts USA Hilton Head Island Weather

Hilton Head Island weather in March

Weather in Hilton Head Island: March

Average day temperature: 67.6°F
Average night temperature: 57.1°F
Sea water temperature: 61.5°F
Number of sunny days: 13 days
Day length: 11.5 - 12.5 hours
Number of rainy days: 3 days
Precipitation totals: 1.4 in.

Air temperature in March, °F

Show year:
2025
2024
2023

The highest day temperature during March of 2025 was 81°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during March were 67.9°F and 55.7°F.

Sea water temperature in Hilton Head Island in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 59.0°F. The highest and lowest sea temperatures during the month were 63.7°F and 55.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are sunny but cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in Hilton Head Island in March is 1.4 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 7.8 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 7.2.

Best time for vacation in Hilton Head Island

Sunniest months:
October 17 days
November 15 days
December 15 days
Warmest months:
July 87.3 °F
August 85.5 °F
June 84.4 °F
Warmest sea temp:
July 85.1 °F
August 85.1 °F
September 81.6 °F
Coldest months:
January 55.8 °F
December 58.8 °F
February 60.1 °F
Rainiest months:
August 5 days
July 5 days
February 3 days
Windiest months:
December 8.1 mph
January 8.0 mph
April 7.9 mph

Hilton Head Island on a weather map

Hilton Head Island
+46°F
E 9 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+27°F
+73°F
+73°F
+48°F
+55°F
+48°F
+61°F
+66°F
+23°F
+61°F
+54°F
+48°F
+50°F
+61°F
+14°F
24 Hours Forecast
Hilton Head Island
Local time: 03:58
January 02, friday
0600
45°F
E
10 mph
0900
50°F
E
10 mph
1200
55°F
E
11 mph
1500
59°F
NE
10 mph
1800
59°F
NE
9 mph
2100
59°F
NE
7 mph
January 03, saturday
0000
59°F
NE
9 mph
0300
59°F
NE
9 mph
Units of measurement: °C / °F