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
Observing a rise in March, the average high-temperature goes from February's subzero cold 29.1°F (-1.6°C) to a cold 40.6°F (4.8°C). In March, Roy reports a consistent average low-temperature of 25.3°F (-3.7°C) during the nights.Humidity
The average relative humidity in March in Roy is 74%.Rainfall
In March, in Roy, the rain falls for 10.4 days. Throughout March, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Roy, there are 126.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Roy, in March, during 12.7 snowfall days, 5.63" (143mm) of snow is typically accumulated. Throughout the year, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.Daylight
In March, the average length of the day in Roy is 11h and 57min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:01 pm MST. On the last day of March, in Roy, sunrise is at 6:54 am and sunset at 7:44 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.
Sunshine
The average sunshine in March is 7.6h.UV index
The months with the lowest UV index in Roy are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In March, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Roy during March?
What is the average humidity in March in Roy?
How much does it rain in Roy in March?
How much does it snow in Roy in March?
How many hours of daylight does Roy have in March?
When is the sunrise / sunset in March in Roy?
When does Daylight Saving Time (DST) start in March in Roy?
How many hours of sunshine does Roy have in March?
When is the lowest UV index in Roy?
What is the UV index intensity in March in Roy?
Average temperature in March
Roy, MT
- Average high temperature in March: 40.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).
- Average low temperature in March: 25.3°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in March
Roy, MT
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in March
Roy, MT
- Average wind speed in March: 9.2mph
The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in March
Roy, MT
- Average humidity in March: 74%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).
Average rainfall in March
Roy, MT
- Average rainfall in March: 1.14"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in March
Roy, MT
- Average rainfall days in March: 10.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in March
Roy, MT
- Average snowfall in March: 5.63"
The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").
Average snowfall days in March
Roy, MT
- Average snowfall days in March: 12.7 days
The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in March /
Average sunshine in March
Roy, MT
- Average daylight in March: 11h and 5min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in March: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in March
Roy, MT
- Average sunshine days in March: 10.5 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).
Average UV index in March
Roy, MT
- Average UV index in March: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in March
Roy, MT
- Average cloud cover in March: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in March
Roy, MT
- 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).
Roy, Montana, USA
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