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
Great Falls, Virginia, in March observes a minor temperature shift, with average high-temperatures adjusting from a frosty 43.9°F (6.6°C) in February to a fresh 52.5°F (11.4°C). Throughout March, Great Falls witnesses a nighttime temperature average of 36.1°F (2.3°C).Humidity
In March, the average relative humidity in Great Falls, Virginia, is 72%.Rainfall
In Great Falls, during March, the rain falls for 13.4 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Great Falls, during the entire year, the rain falls for 152.8 days and collects up to 27.64" (702mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Great Falls. In Great Falls, Virginia, during March, snow falls for 2.3 days and regularly aggregates up to 1.73" (44mm) of snow. In Great Falls, Virginia, during the entire year, snow falls for 13.9 days and aggregates up to 7.2" (183mm) of snow.Daylight
The average length of the day in March in Great Falls is 11h and 59min.On the first day of March, sunrise is at 6:40 am and sunset at 6:02 pm EST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:32 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 Great Falls, the average sunshine in March is 6.7h.UV index
The average daily maximum UV index in March is 3. 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 average daily UV index of 3 in March transforms into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in March in Great Falls?
What is the average humidity in March in Great Falls?
How many days does it rain in March in Great Falls?
How much does it snow in Great Falls in March?
How many hours of daylight does Great Falls have in March?
When are sunrise and sunset in March in Great Falls?
When does Daylight Saving Time (DST) start in March in Great Falls?
How long on average sun shines in March in Great Falls?
What is the UV index reading in March in Great Falls?
Average temperature in March
Great Falls, VA
- Average high temperature in March: 52.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (39.7°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
Great Falls, 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
Great Falls, 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
Great Falls, 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 (69%).
Average rainfall in March
Great Falls, VA
- Average rainfall in March: 2.13"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in March
Great Falls, VA
- Average rainfall days in March: 13.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in March
Great Falls, VA
- Average snowfall in March: 1.73"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Great Falls, VA
- Average snowfall days in March: 2.3 days
The month with the highest number of snowfall days is January (4.6 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
Great Falls, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).
Average sunshine days in March
Great Falls, VA
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in March
Great Falls, 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, February, November and December (UV index 2).
Average cloud cover in March
Great Falls, VA
- 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
Great Falls, 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).
Great Falls, Virginia, USA
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