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
Roy indicates an average high-temperature of a fresh 51.4°F (10.8°C) in March, showing minor variation from February's 46.4°F (8°C). The average low-temperature, in March, is an icy 36.3°F (2.4°C).Humidity
The average relative humidity in March in Roy is 84%.Rainfall
In March, the rain falls for 19.7 days. Throughout March, 3.07" (78mm) of precipitation is accumulated. In Roy, during the entire year, the rain falls for 174.2 days and collects up to 31.06" (789mm) of precipitation.Snowfall
Months with snowfall in Roy are January through April, November and December. In Roy, during March, snow falls for 1.4 days and regularly aggregates up to 0.98" (25mm) of snow. Throughout the year, there are 7.9 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
In Roy, the average length of the day in March is 11h and 57min.On the first day of March, sunrise is at 6:48 am and sunset at 5:56 pm PST. On the last day of the month, sunrise is at 6:49 am and sunset at 7:38 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
In March, the average sunshine is 5.8h.UV index
The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in March leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. 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. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are March temperatures in Roy?
What is the average humidity in March in Roy?
How many days does it rain in March in Roy?
How many days does it snow in March in Roy?
What is the average length of the day in March in Roy?
When are sunrise and sunset in March in Roy?
When does Daylight Saving Time (DST) start in March in Roy?
How long on average sun shines in March in Roy?
What is the UV index reading in March in Roy?
Average temperature in March
Roy, WA
- Average high temperature in March: 51.4°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in March: 36.3°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is February (34°F).
Average pressure in March
Roy, 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
Roy, WA
- Average wind speed in March: 5mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in March
Roy, WA
- Average humidity in March: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (69%).
Average rainfall in March
Roy, WA
- Average rainfall in March: 3.07"
The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in March
Roy, WA
- Average rainfall days in March: 19.7 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in March
Roy, WA
- Average snowfall in March: 0.98"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Roy, WA
- Average snowfall days in March: 1.4 days
The month with the highest number of snowfall days is February (2.8 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
Roy, WA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in March: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in March
Roy, WA
- Average sunshine days in March: 9.3 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in March
Roy, WA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Roy, WA
- Average cloud cover in March: 57
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in March
Roy, WA
- Average visibility in March: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).
Roy, Washington, USA
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