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
In March, the average high-temperature is relatively the same as in February - a still chilly 48.2°F (9°C). In March, the average low-temperature is 38.8°F (3.8°C).Humidity
In Mount Vernon, the average relative humidity in March is 82%.Rainfall
In Mount Vernon, Washington, it is raining for 20.8 days, with typically 3.74" (95mm) of accumulated precipitation. Throughout the year, there are 185.2 rainfall days, and 34.72" (882mm) of precipitation is accumulated.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. Throughout the year, in Mount Vernon, Washington, there are 9.9 snowfall days, and 7.91" (201mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 57min.On the first day of the month, sunrise is at 6:50 am and sunset at 5:52 pm PST. On the last day of March, in Mount Vernon, sunrise is at 6:48 am and sunset at 7:38 pm PDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
In March, the average sunshine in Mount Vernon is 5.7h.UV index
In Mount Vernon, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in March in Mount Vernon?
What is the average humidity in March in Mount Vernon?
How many days does it rain in March in Mount Vernon?
How much does it snow in Mount Vernon in March?
What is the average length of the day in March in Mount Vernon?
What time are sunrise and sunset in March in Mount Vernon?
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 in Mount Vernon?
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 57min
The month with the longest days is June (Average daylight: 16h and 2min).
The month with the shortest days is December (Average daylight: 8h and 23min).
- Average sunshine in March: 5h and 42min
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).
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