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 average high-temperature mildly increases in March, edging from a frosty 43.9°F (6.6°C) in February to a cool 52.3°F (11.3°C). In the month of March, Potomac witnesses a consistent average low-temperature of 36.1°F (2.3°C).Humidity
In March, the average relative humidity is 73%.Rainfall
In Potomac, in March, during 13.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Potomac, there are 156.5 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is March, when snow falls for 3.5 days and typically aggregates up to 3.03" (77mm) of snow.Daylight
The average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:40 am and sunset at 6:01 pm EST. On the last day of March, in Potomac, sunrise is at 6:53 am and sunset at 7:31 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 March, the average sunshine in Potomac is 6.8h.UV index
The average daily maximum UV index in March in Potomac, Maryland, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In March, the maximum UV index of 3 suggests this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the temperature in March in Potomac?
What is the average humidity in March in Potomac?
How much does it rain in Potomac in March?
What is the snowiest month in Potomac?
How much does it snow in Potomac in March?
How many hours of daylight does Potomac have in March?
What time are sunrise and sunset in March in Potomac?
When does Daylight Saving Time (DST) start in March in Potomac?
How many hours of sunshine does Potomac have in March?
What is the UV index reading in March in Potomac?
Average temperature in March
Potomac, MD
- Average high temperature in March: 52.3°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in March
Potomac, MD
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in March
Potomac, MD
- Average wind speed in March: 7.8mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in March
Potomac, MD
- Average humidity in March: 73%
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in March
Potomac, MD
- Average rainfall in March: 2.28"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in March
Potomac, MD
- Average rainfall days in March: 13.5 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in March
Potomac, MD
- Average snowfall in March: 3.03"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Potomac, MD
- Average snowfall days in March: 3.5 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Potomac, MD
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in March: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in March
Potomac, MD
- Average sunshine days in March: 14.7 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in March
Potomac, MD
- Average UV index in March: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Potomac, MD
- Average cloud cover in March: 47
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in March
Potomac, MD
- 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).
Potomac, Maryland, USA
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