November weather forecast
Roy, MT

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Weather in November

The last month of the autumn, November, is another cold month in Roy, Montana, with an average temperature fluctuating between 39.2°F (4°C) and 25.2°F (-3.8°C).

Temperature

In November, the meteorological conditions alter, with the average high-temperature shifting from a cool 52.2°F (11.2°C) in October to an icy 39.2°F (4°C). Roy witnesses an average low-temperature of 25.2°F (-3.8°C) throughout the month of November.

Humidity

The average relative humidity in November in Roy is 69%.

Rainfall

In Roy, Montana, during November, the rain falls for 6.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. 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 November, snow falls for 9.4 days, with typically accumulated 5.31" (135mm) of snow. In Roy, Montana, during the entire year, snow falls for 83.4 days and aggregates up to 45.51" (1156mm) of snow.

Daylight

In November, the average length of the day is 9h and 20min.
On the first day of the month, sunrise is at 8:00 am and sunset at 5:58 pm MDT. On the last day of November, in Roy, sunrise is at 7:41 am and sunset at 4:27 pm MST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from MDT to MST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from MST to MDT.

Sunshine

In November, the average sunshine is 6.2h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In November, the maximum UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is November in Roy?

In November, in Roy, the average high-temperature is 39.2°F (4°C), and the average low-temperature is 25.2°F (-3.8°C).

What is the average humidity in November in Roy?

In November, the average relative humidity in Roy, Montana, is 69%.

How much does it rain in Roy in November?

In Roy, in November, during 6.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How much does it snow in Roy in November?

In Roy, in November, during 9.4 snowfall days, 5.31" (135mm) of snow is typically accumulated.

What is the average length of the day in November in Roy?

In Roy, Montana, the average day length in November is 9h and 20min.

When are sunrise and sunset in November in Roy?

On the first day of November in Roy, Montana, sunrise is at 8:00 am and sunset at 5:58 pm MDT. On the last day of the month, sunrise is at 7:41 am and sunset at 4:27 pm MST.

When does Daylight Saving Time (DST) end in November in Roy?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends in Roy, and the time zone changes from MDT to MST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How many hours of sunshine does Roy have in November?

In November, the average sunshine duration is 6.2h.

What are the months with the lowest UV index in Roy?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in November in Roy?

In November, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Roy, MT

Average temperature in November - Roy, MT
  • Average high temperature in November: 39.2°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 November: 25.2°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 November
Roy, MT

Average pressure in November - Roy, MT
  • Average pressure in November: 30.05"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 November
Roy, MT

Average wind speed in November - Roy, MT
  • Average wind speed in November: 9.7mph

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 November
Roy, MT

Average humidity in November - Roy, MT
  • Average humidity in November: 69%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall in November
Roy, MT

Average rainfall in November - Roy, MT
  • Average rainfall in November: 0.94"

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 November
Roy, MT

Average rainfall days in November - Roy, MT
  • Average rainfall days in November: 6.5 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 November
Roy, MT

Average snowfall in November - Roy, MT
  • Average snowfall in November: 5.31"

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 November
Roy, MT

Average snowfall days in November - Roy, MT
  • Average snowfall days in November: 9.4 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 November /
Average sunshine in November
Roy, MT

Average daylight in November / Average sunshine in November - Roy, MT
  • Average daylight in November: 9h and 2min

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 November: 6h and 1min

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 November
Roy, MT

Average sunshine days in November - Roy, MT
  • Average sunshine days in November: 16.8 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 November
Roy, MT

Average UV index in November - Roy, MT
  • Average UV index in November: 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 November
Roy, MT

Average cloud cover in November - Roy, MT
  • Average cloud cover in November: 34

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 November
Roy, MT

Average visibility in November - Roy, MT
  • Average visibility in November: 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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