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 transition to March introduces an increase in the average high-temperature, shifting from a freezing cold 30.6°F (-0.8°C) in February to a cold 39.7°F (4.3°C). McLean records a consistent low-temperature of 24.6°F (-4.1°C) during March nights.Humidity
The average relative humidity in March is 84%.Rainfall
In March, the rain falls for 12.3 days. Throughout March, 2.48" (63mm) of precipitation is accumulated. In McLean, during the entire year, the rain falls for 165.9 days and collects up to 34.41" (874mm) of precipitation.Snowfall
Months with snowfall in McLean, New York, are January through May, October through December. In McLean, in March, during 14.3 snowfall days, 5.63" (143mm) of snow is typically accumulated. In McLean, during the entire year, snow falls for 87.1 days and aggregates up to 39.17" (995mm) of snow.Daylight
In McLean, the average length of the day in March is 11h and 58min.On the first day of March, sunrise is at 6:39 am and sunset at 5:55 pm EST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:30 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 is 4.4h.UV index
In McLean, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in March translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is March cold in McLean?
What is the average humidity in March in McLean?
How many days does it rain in March in McLean?
How many days does it snow in March in McLean?
How many hours of daylight does McLean have in March?
When are sunrise and sunset in March in McLean?
When does Daylight Saving Time (DST) start in March in McLean?
How many hours of sunshine does McLean have in March?
What is the UV index intensity in March in McLean?
Average temperature in March
McLean, NY
- Average high temperature in March: 39.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in March: 24.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in March
McLean, NY
- Average pressure in March: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in March
McLean, NY
- Average wind speed in March: 9.5mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in March
McLean, NY
- Average humidity in March: 84%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall in March
McLean, NY
- Average rainfall in March: 2.48"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in March
McLean, NY
- Average rainfall days in March: 12.3 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in March
McLean, NY
- Average snowfall in March: 5.63"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
McLean, NY
- Average snowfall days in March: 14.3 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
McLean, NY
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in March: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in March
McLean, NY
- Average sunshine days in March: 8.4 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.1 days).
Average UV index in March
McLean, NY
- Average UV index in March: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in March
McLean, NY
- Average cloud cover in March: 67
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in March
McLean, NY
- Average visibility in March: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
McLean, New York, USA
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