March weather forecast
Saint Simons Island, GA

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A long pier with a large shed on the St. Simons Island, Georgia, the rocks and seawater and colorful sunset clouds in the sky above
A long pier with a large shed on the St. Simons Island, Georgia, the rocks and seawater and colorful sunset clouds in the sky above

Weather in March

March on Saint Simons Island sees the spring season commence in earnest. A slight elevation in temperature becomes noticeable compared to February, signs of the blooming flora and longer daylight hours start to arrive. March does produce a considerable growth in rainfall when compared to its predecessor. However, this increase is accompanied by a welcoming 60.2°F (15.7°C) average sea temperature, a rise of 1.7°F (-16.8°C) from February. With the Island's iconic blooms beginning to appear, the occasional showers provide a refreshing ambiance to the coastal landscape.

Temperature

Saint Simons Island experiences a transition to an agreeable 68.5°F (20.3°C) in average high-temperatures with the arrival of March, not greatly differing from February's 63.3°F (17.4°C). Throughout March, an average low-temperature of 55.8°F (13.2°C) is experienced.

Humidity

March is the least humid month, with an average relative humidity of 72%.

Rainfall

In Saint Simons Island, in March, it is raining for 9.2 days, with typically 0.75" (19mm) of accumulated precipitation. In Saint Simons Island, Georgia, during the entire year, the rain falls for 163.3 days and collects up to 20.43" (519mm) of precipitation.

Snowfall

In Saint Simons Island, snow does not fall in January, March through November.

Ocean temperature

In March, the average ocean temperature is 60.3°F (15.7°C).
Note: Swimming in 60.3°F (15.7°C) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 69.8°F (21°C).

Daylight

In Saint Simons Island, the average length of the day in March is 12h and 1min.
On the first day of March, sunrise is at 6:51 am and sunset at 6:24 pm EST. On the last day of the month, sunrise is at 7:14 am and sunset at 7:44 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 Saint Simons Island, the average sunshine in March is 8h.

UV index

In Saint Simons Island, the average daily maximum UV index in March is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in March translates into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in March?

The high-temperature, in March, in Saint Simons Island, is 68.5°F (20.3°C), while the low-temperature averages to 55.8°F (13.2°C).

What is the least humid month?

March is the least humid month in Saint Simons Island, Georgia, with an average relative humidity of 72%.

What is the average humidity in March?

In March, the average relative humidity is 72%.

How many days does it rain in March?

In Saint Simons Island, in March, during 9.2 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow?

January, March through November are months without snowfall.

Does it snow in March?

In March, it doesn't snow. February is the latest month when it typically snows.

How cold is the water in March?

In Saint Simons Island, in March, the average water temperature is 60.3°F (15.7°C). For swimming, a surface water temperature of 60.3°F (15.7°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Saint Simons Island have in March?

In Saint Simons Island, the average day length in March is 12h and 1min.

When are sunrise and sunset in March?

On the first day of March, sunrise is at 6:51 am and sunset at 6:24 pm EST. On the last day of the month, sunrise is at 7:14 am and sunset at 7:44 pm EDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Saint Simons Island have in March?

The average sunshine duration in March is 8h.

How high is the UV index in March?

The average daily maximum UV index in March in Saint Simons Island is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Saint Simons Island, GA

Average temperature in March - Saint Simons Island, GA
  • Average high temperature in March: 68.5°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in March: 55.8°F

The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).

Average pressure in March
Saint Simons Island, GA

Average pressure in March - Saint Simons Island, GA
  • 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, August and September (29.98"Hg).

Average wind speed in March
Saint Simons Island, GA

Average wind speed in March - Saint Simons Island, GA
  • Average wind speed in March: 8.7mph

The windiest months (with the highest average wind speed) are January and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in March
Saint Simons Island, GA

Average humidity in March - Saint Simons Island, GA
  • Average humidity in March: 72%

The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is March (72%).

Average rainfall in March
Saint Simons Island, GA

Average rainfall in March - Saint Simons Island, GA
  • Average rainfall in March: 0.75"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in March
Saint Simons Island, GA

Average rainfall days in March - Saint Simons Island, GA
  • Average rainfall days in March: 9.2 days

The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is January (8.2 days).

Average snowfall days in March
Saint Simons Island, GA

Average snowfall days in March - Saint Simons Island, GA
  • Average snowfall days in March: 0 days

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

Average sea temperature in March
Saint Simons Island, GA

Average sea temperature in March - Saint Simons Island, GA
  • Average sea temperature in March: 60.2°F

The best month for swimming (with the highest average sea temperature) is August (83.4°F).
The coldest month (with the lowest average sea temperature) is February (58.5°F).

Average daylight in March /
Average sunshine in March
Saint Simons Island, GA

Average daylight in March / Average sunshine in March - Saint Simons Island, GA
  • Average daylight in March: 12h and 0min

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

  • Average sunshine in March: 8h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in March
Saint Simons Island, GA

Average sunshine days in March - Saint Simons Island, GA
  • Average sunshine days in March: 20.1 days

The month with the most sunshine days is March (20.1 days).
The month with the least sunshine days is August (4.2 days).

Average UV index in March
Saint Simons Island, GA

Average UV index in March - Saint Simons Island, GA
  • Average UV index in March: 5

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

Average cloud cover in March
Saint Simons Island, GA

Average cloud cover in March - Saint Simons Island, GA
  • Average cloud cover in March: 32

The months with the most cloud cover are February and December (Cloud cover 38).
The months with the least cloud cover are April, May, June and July (Cloud cover 27).

Average visibility in March
Saint Simons Island, GA

Average visibility in March - Saint Simons Island, GA
  • 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).

Saint Simons Island, Georgia, USA

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