March weather forecast
Port Royal, SC

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Weather in March

As winter draws to an end, March ushers in the first signs of spring in Port Royal. Notably, March sees a significant increase in daylight hours to 12 hours, paving the way for extended outdoor activities. The weather continues to warm up from February, with high and low temperatures averaging 67.1°F (19.5°C) and 52.5°F (11.4°C), respectively. March's longer days and growing warmth signal a changing season — it's the most distinguished characteristic of weather in this period. March is also a transition month in Port Royal, a month that slowly wakes from winter and stretches into spring.

Temperature

As February transitions into March, Port Royal notices a gentle rise in the average high-temperature, transitioning from 61.3°F (16.3°C) to a still comfortable 67.1°F (19.5°C). Port Royal observes an average nighttime temperature of 52.5°F (11.4°C) during March.

Humidity

With an average relative humidity of 71%, March is the least humid month.

Rainfall

In Port Royal, in March, it is raining for 10 days, with typically 1.18" (30mm) of accumulated precipitation. In Port Royal, during the entire year, the rain falls for 154.7 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

In Port Royal, snow does not fall in March through November.

Daylight

In March, the average length of the day 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, 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 Port Royal, the average sunshine in March is 7.8h.

UV index

The average daily maximum UV index in March is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In March, a daily UV index of 5 turns into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in March?

In Port Royal, 67.1°F (19.5°C) is the average high-temperature and 52.5°F (11.4°C) is the average low-temperature during March.

What is the least humid month?

With an average relative humidity of 71%, March is the least humid month.

What is the average humidity in March?

The average relative humidity in March is 71%.

How many days does it rain in March?

In Port Royal, during March, the rain falls for 10 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When it does not snow?

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.

What is the average length of the day in March?

In Port Royal, the average day length in March is 12h and 0min.

When is the sunrise / sunset in March?

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, sunrise is at 7:11 am and sunset at 7:42 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 long on average sun shines in March?

The average sunshine duration in March is 7.8h.

What is the UV index intensity in March?

The average daily maximum UV index in March in Port Royal is 5. A UV Index value of 3 to 5 symbolizes 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
Port Royal, SC

Average temperature in March - Port Royal, SC
  • Average high temperature in March: 67.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (57.6°F).

  • Average low temperature in March: 52.5°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).

Average pressure in March
Port Royal, SC

Average pressure in March - Port Royal, 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
Port Royal, SC

Average wind speed in March - Port Royal, SC
  • Average wind speed in March: 8.1mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in March
Port Royal, SC

Average humidity in March - Port Royal, SC
  • Average humidity in March: 71%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).

Average rainfall in March
Port Royal, SC

Average rainfall in March - Port Royal, SC
  • Average rainfall in March: 1.18"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in March
Port Royal, SC

Average rainfall days in March - Port Royal, SC
  • Average rainfall days in March: 10 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is November (6.8 days).

Average snowfall days in March
Port Royal, SC

Average snowfall days in March - Port Royal, SC
  • Average snowfall days in March: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in March /
Average sunshine in March
Port Royal, SC

Average daylight in March / Average sunshine in March - Port Royal, 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 month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in March
Port Royal, SC

Average sunshine days in March - Port Royal, SC
  • Average sunshine days in March: 18.8 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is August (5.3 days).

Average UV index in March
Port Royal, SC

Average UV index in March - Port Royal, 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
Port Royal, SC

Average cloud cover in March - Port Royal, SC
  • Average cloud cover in March: 35

The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in March
Port Royal, SC

Average visibility in March - Port Royal, 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).

Port Royal, South Carolina, USA

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