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
March's arrival brings an average high-temperature of a still frosty 48.2°F (9°C), demonstrating subtle variation from the preceding month. During the month of March, the nighttime temperature falls to an average of 38.8°F (3.8°C).Humidity
The average relative humidity in March in Mount Vernon is 82%.Rainfall
In Mount Vernon, in March, during 20.8 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Mount Vernon, during the entire year, the rain falls for 185.2 days and collects up to 34.72" (882mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Mount Vernon, during March, snow falls for 1.9 days and regularly aggregates up to 1.38" (35mm) of snow. In Mount Vernon, during the entire year, snow falls for 9.9 days and aggregates up to 7.91" (201mm) of snow.Daylight
In March, the average length of the day is 11h and 57min.On the first day of March, sunrise is at 6:48 am and sunset at 5:54 pm PST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:39 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 5.7h.UV index
In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in March translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mount Vernon in March?
What is the average humidity in March?
How many days does it rain in March?
How many days does it snow in March?
How many hours of daylight does Mount Vernon have in March?
When is the sunrise / sunset in March?
When does Daylight Saving Time (DST) start in March in Mount Vernon?
How many hours of sunshine does Mount Vernon have in March?
What is the UV index reading in March?
Average temperature in March
Mount Vernon, WA
- Average high temperature in March: 48.2°F
The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in March: 38.8°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).
Average pressure in March
Mount Vernon, WA
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in March
Mount Vernon, WA
- Average wind speed in March: 6.8mph
The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in March
Mount Vernon, WA
- Average humidity in March: 82%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).
Average rainfall in March
Mount Vernon, WA
- Average rainfall in March: 3.74"
The wettest month (with the highest rainfall) is November (4.96").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in March
Mount Vernon, WA
- Average rainfall days in March: 20.8 days
The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in March
Mount Vernon, WA
- Average snowfall in March: 1.38"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Mount Vernon, WA
- Average snowfall days in March: 1.9 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
Mount Vernon, WA
- Average daylight in March: 11h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in March: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in March
Mount Vernon, WA
- Average sunshine days in March: 8.6 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in March
Mount Vernon, WA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Mount Vernon, WA
- Average cloud cover in March: 57
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in March
Mount Vernon, WA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mount Vernon, Washington, USA
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