March weather forecast
Hilton Head Island, SC

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Tall iconic lighthouse seen in a great night view over downtown Hilton Head Island, South Carolina
Tall iconic lighthouse seen in a great night view over downtown Hilton Head Island, South Carolina

Weather in March

March marks the beginning of Hilton Head Island's spring season, with warmth gradually pervading the environment. The temperature difference from February to March becomes more noticeable, symbolizing the approach of the hot season. With ample sunshine and fewer rain showers, outdoor activities become increasingly enjoyable. The climate during this month is often deemed tourist-friendly due to the balance of nature's elements. Featuring an expected maximum and minimum average temperature of 65.8°F (18.8°C) and 54.1°F (12.3°C) respectively, March is indeed a delightful month.

Temperature

The start of March in Hilton Head Island brings a subtle shift in the average high-temperature, edging up from February's mild 60.4°F (15.8°C) to a still refreshing 65.8°F (18.8°C). Throughout the month of March, the average temperature in Hilton Head Island dips to a fresh 54.1°F (12.3°C) at night.

Humidity

The average relative humidity in March in Hilton Head Island is 73%.

Rainfall

In Hilton Head Island, during March, the rain falls for 11.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Hilton Head Island, during the entire year, the rain falls for 175.3 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

February through December are months without snowfall in Hilton Head Island.

Ocean temperature

In Hilton Head Island, South Carolina, the average seawater temperature in March is 58.1°F (14.5°C).
Note: Swimming at temperatures less than 50°F (10°C) in 58.1°F (14.5°C) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 55.4°F (13°C) without adequate warmth can be discomforting.

Daylight

In Hilton Head Island, the average length of the day in March is 12h and 0min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:20 pm EST. On the last day of March, in Hilton Head Island, sunrise is at 7:11 am and sunset at 7:42 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In Hilton Head Island, the average sunshine in March is 7.9h.

UV index

In Hilton Head Island, South Carolina, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In March, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March in Hilton Head Island?

The high-temperature in Hilton Head Island during March is 65.8°F (18.8°C) and the low-temperature is 54.1°F (12.3°C).

What is the average humidity in March in Hilton Head Island?

In March, the average relative humidity in Hilton Head Island is 73%.

How many days does it rain in March in Hilton Head Island?

In Hilton Head Island, South Carolina, during March, the rain falls for 11.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Hilton Head Island?

February through December are months without snowfall in Hilton Head Island.

What is the ocean temperature in March in Hilton Head Island?

In March, the average ocean temperature in Hilton Head Island is 58.1°F (14.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Hilton Head Island have in March?

The average day length in March is 12h and 0min.

When are sunrise and sunset in March in Hilton Head Island?

In March, on the first day of the month, sunrise is at 6:49 am and sunset at 6:20 pm EST. On the last day of the month, in Hilton Head Island, South Carolina, sunrise is at 7:11 am and sunset at 7:42 pm EDT.

When does Daylight Saving Time (DST) start in March in Hilton Head Island?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Hilton Head Island, South Carolina, and the time zone changes from EST to EDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Hilton Head Island have in March?

In Hilton Head Island, the average sunshine duration in March is 7.9h.

How high is the UV index in March in Hilton Head Island?

The average daily maximum UV index in March in Hilton Head Island is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Hilton Head Island, SC

Average temperature in March - Hilton Head Island, SC
  • Average high temperature in March: 65.8°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.4°F).

  • Average low temperature in March: 54.1°F

The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in March
Hilton Head Island, SC

Average pressure in March - Hilton Head Island, SC
  • Average pressure in March: 30.09"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in March
Hilton Head Island, SC

Average wind speed in March - Hilton Head Island, SC
  • Average wind speed in March: 9.6mph

The windiest months (with the highest average wind speed) are January, March and April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in March
Hilton Head Island, SC

Average humidity in March - Hilton Head Island, SC
  • Average humidity in March: 73%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is January (72%).

Average rainfall in March
Hilton Head Island, SC

Average rainfall in March - Hilton Head Island, SC
  • Average rainfall in March: 1.46"

The wettest month (with the highest rainfall) is August (6.06").
The driest month (with the least rainfall) is January (1.02").

Average rainfall days in March
Hilton Head Island, SC

Average rainfall days in March - Hilton Head Island, SC
  • Average rainfall days in March: 11.4 days

The month with the highest number of rainy days is August (25 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in March
Hilton Head Island, SC

Average snowfall in March - Hilton Head Island, SC
  • Average snowfall in March: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in March
Hilton Head Island, SC

Average snowfall days in March - Hilton Head Island, SC
  • Average snowfall days in March: 0 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in March
Hilton Head Island, SC

Average sea temperature in March - Hilton Head Island, SC
  • Average sea temperature in March: 58.2°F

The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).

Average daylight in March /
Average sunshine in March
Hilton Head Island, SC

Average daylight in March / Average sunshine in March - Hilton Head Island, SC
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in March: 7h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in March
Hilton Head Island, SC

Average sunshine days in March - Hilton Head Island, SC
  • Average sunshine days in March: 17.4 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.8 days).

Average UV index in March
Hilton Head Island, SC

Average UV index in March - Hilton Head Island, SC
  • Average UV index in March: 5

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in March
Hilton Head Island, SC

Average cloud cover in March - Hilton Head Island, SC
  • Average cloud cover in March: 33

The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in March
Hilton Head Island, SC

Average visibility in March - Hilton Head Island, SC
  • Average visibility in March: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Hilton Head Island, South Carolina, USA

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