March weather forecastWest McLean, VA
March
Weather in March
March, the first month of the spring in West McLean, is a cool month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 52.7°F (11.5°C).Temperature
The shift from February to March introduces a subtle increase in the average high-temperature, moving from a chilly 44.6°F (7°C) to a cool 52.7°F (11.5°C). Throughout March, West McLean witnesses a nighttime temperature average of 36.9°F (2.7°C).Humidity
In March, the average relative humidity is 72%.Rainfall
In West McLean, in March, during 9.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In West McLean, Virginia, during the entire year, the rain falls for 109 days and collects up to 9.29" (236mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In West McLean, during March, snow falls for 2.3 days and regularly aggregates up to 0.51" (13mm) of snow. In West McLean, Virginia, during the entire year, snow falls for 10.3 days and aggregates up to 2.28" (58mm) of snow.Daylight
In West McLean, the average length of the day in March is 11h and 59min.On the first day of March in West McLean, sunrise is at 6:39 am and sunset at 6:01 pm EST. On the last day of the month, 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 West McLean, the average sunshine in March is 6.8h.UV index
In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during March translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
West McLean, VA
- Average high temperature in March: 52.7°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 (40.1°F).
- Average low temperature in March: 36.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in March
West McLean, VA
- 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
West McLean, VA
- Average wind speed in March: 7.7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in March
West McLean, VA
- Average humidity in March: 72%
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in March
West McLean, VA
- Average rainfall in March: 0.63"
The wettest month (with the highest rainfall) is August (1.5").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days in March
West McLean, VA
- Average rainfall days in March: 9.2 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (5.6 days).
Average snowfall in March
West McLean, VA
- Average snowfall in March: 0.51"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
West McLean, VA
- Average snowfall days in March: 2.3 days
The month with the highest number of snowfall days is February (3.6 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
West McLean, VA
- 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in March
West McLean, VA
- Average sunshine days in March: 18.3 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in March
West McLean, VA
- 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, November and December (UV index 2).
Average cloud cover in March
West McLean, VA
- Average cloud cover in March: 46
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in March
West McLean, VA
- 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).
