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 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
The arrival of March brings a soft temperature shift, with the average high-temperature nudging from a mild 55.9°F (13.3°C) in February to a comfortable 63.1°F (17.3°C). March's nights observe an average temperature of 44.6°F (7°C).Humidity
In March, the average relative humidity is 74%.Rainfall
In Iris, during March, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Iris, South Carolina, during the entire year, the rain falls for 160.1 days and collects up to 33.94" (862mm) of precipitation.Snowfall
Months with snowfall are January through March and December. March is the last month it regularly snows. During 0.2 snowfall days, in March, Iris aggregates 0.43" (11mm) of snow. Throughout the year, there are 2 snowfall days, and 1.81" (46mm) of snow is accumulated.Daylight
In Iris, the average length of the day in March is 12h and 0min.On the first day of March, sunrise is at 6:57 am and sunset at 6:26 pm EST. On the last day of the month, sunrise is at 7:16 am and sunset at 7:50 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
The average sunshine in March is 7.3h.UV index
The average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in March interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are March temperatures?
What is the average humidity in March?
How many days does it rain in March?
What is the last month it snows?
How many hours of daylight does Iris have in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Iris have in March?
How high is the UV index in March?
Average temperature in March
Iris, SC
- Average high temperature in March: 63.1°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in March: 44.6°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in March
Iris, SC
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in March
Iris, SC
- Average wind speed in March: 7.1mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in March
Iris, SC
- Average humidity in March: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in March
Iris, SC
- Average rainfall in March: 2.68"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in March
Iris, SC
- Average rainfall days in March: 14.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in March
Iris, SC
- Average snowfall in March: 0.43"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in March
Iris, SC
- Average snowfall days in March: 0.2 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in March /
Average sunshine in March
Iris, SC
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in March: 7h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in March
Iris, SC
- Average sunshine days in March: 15.1 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in March
Iris, SC
- Average UV index in March: 4
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in March
Iris, SC
- Average cloud cover in March: 41
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in March
Iris, SC
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Iris, South Carolina, USA
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