Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
March experiences an average high-temperature of an enjoyable 64.4°F (18°C), barely different from February's 59.9°F (15.5°C). The mean low-temperature during March nights is a fresh 53.6°F (12°C).Humidity
January and March, with an average relative humidity of 73%, are the least humid months.Rainfall
In Sullivan's Island, in March, during 11.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 182 rainfall days, and 45.55" (1157mm) of precipitation is accumulated.Snowfall
In Sullivan's Island, South Carolina, snow does not fall in March through December.Daylight
In Sullivan's Island, the average length of the day in March is 12h and 0min.On the first day of March, sunrise is at 6:46 am and sunset at 6:16 pm EST. On the last day of the month, sunrise is at 7:07 am and sunset at 7:39 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 Sullivan's Island, the average sunshine in March is 7.8h.UV index
In Sullivan's Island, the average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during March, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are March temperatures?
What is the least humid month?
What is the average humidity in March?
How many days does it rain in March?
When it does not snow?
Does it snow in March?
How many hours of daylight does Sullivan's Island have in March?
When are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How long on average sun shines in March?
How high is the UV index in March?
Average temperature in March
Sullivan's Island, SC
- Average high temperature in March: 64.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in March: 53.6°F
The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).
Average pressure in March
Sullivan's Island, SC
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in March
Sullivan's Island, SC
- Average wind speed in March: 10.3mph
The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in March
Sullivan's Island, SC
- Average humidity in March: 73%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in March
Sullivan's Island, SC
- Average rainfall in March: 1.97"
The wettest month (with the highest rainfall) is August (8.23").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in March
Sullivan's Island, SC
- Average rainfall days in March: 11.5 days
The month with the highest number of rainy days is August (25.9 days).
The month with the least rainy days is November (8.5 days).
Average snowfall days in March
Sullivan's Island, SC
- Average snowfall days in March: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in March /
Average sunshine in March
Sullivan's Island, SC
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in March: 7h and 5min
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 42min).
Average sunshine days in March
Sullivan's Island, SC
- Average sunshine days in March: 17.7 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (2.8 days).
Average UV index in March
Sullivan's 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
Sullivan's Island, SC
- Average cloud cover in March: 35
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in March
Sullivan's 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).
Sullivan's Island, South Carolina, USA
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