December weather forecast
Dubois, WY

Dubois, Wyoming, a winter view of the glorious Absaroka Mountains on Togwotee Region
Dubois, Wyoming, a winter view of the glorious Absaroka Mountains on Togwotee Region

Weather in December

December, the first month of the winter in Dubois, is also a subzero cold month, with temperature in the range of an average low of 8.2°F (-13.2°C) and an average high of 24.4°F (-4.2°C).

Temperature

December is the coldest month, with an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 8.2°F (-13.2°C).

Humidity

In December, the average relative humidity in Dubois is 76%.

Rainfall

In Dubois, during December, the rain falls for 9.4 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, in Dubois, there are 118.1 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Dubois. In Dubois, in December, during 12.3 snowfall days, 2.72" (69mm) of snow is typically accumulated. In Dubois, during the entire year, snow falls for 81 days and aggregates up to 30.83" (783mm) of snow.

Daylight

The month with the shortest days in Dubois, Wyoming, is December, with an average of 9h and 1min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 4:43 pm. On the last day of December, in Dubois, sunrise is at 7:51 am and sunset at 4:51 pm MST.

Sunshine

The months with the least sunshine in Dubois are January and December, with an average of 6.8h of sunshine.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Dubois?

The coldest month in Dubois is December, with an average high-temperature of 24.4°F (-4.2°C) and an average low-temperature of 8.2°F (-13.2°C).

What is the average humidity in December in Dubois?

In Dubois, Wyoming, the average relative humidity in December is 76%.

How much does it rain in Dubois in December?

In Dubois, during December, the rain falls for 9.4 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How much does it snow in Dubois in December?

In Dubois, during December, snow falls for 12.3 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days in Dubois?

The month with the shortest days in Dubois, Wyoming, is December, with an average of 9h and 1min of daylight.

What is the average length of the day in December in Dubois?

The average day length in December is 9h and 1min.

When are sunrise and sunset in December in Dubois?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 4:43 pm. On the last day of the month, in Dubois, Wyoming, sunrise is at 7:51 am and sunset at 4:51 pm MST.

What is the month with the least sunshine in Dubois?

The months with the least sunshine in Dubois are January and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Dubois have in December?

The average sunshine duration in December in Dubois, Wyoming, is 6.8h.

When is the lowest UV index in Dubois?

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

What is the UV index reading in December in Dubois?

In December, the average daily maximum UV index in Dubois is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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 December
Dubois, WY

Average temperature in December - Dubois, WY
  • Average high temperature in December: 24.4°F

The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is December (24.4°F).

  • Average low temperature in December: 8.2°F

The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (8.2°F).

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Average pressure in December
Dubois, WY

Average pressure in December - Dubois, WY
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Dubois, WY

Average wind speed in December - Dubois, WY
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in December
Dubois, WY

Average humidity in December - Dubois, WY
  • Average humidity in December: 76%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in December
Dubois, WY

Average rainfall in December - Dubois, WY
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
Dubois, WY

Average rainfall days in December - Dubois, WY
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (7 days).

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Average snowfall in December
Dubois, WY

Average snowfall in December - Dubois, WY
  • Average snowfall in December: 2.72"

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Dubois, WY

Average snowfall days in December - Dubois, WY
  • Average snowfall days in December: 12.3 days

The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in December /
Average sunshine in December
Dubois, WY

Average daylight in December / Average sunshine in December - Dubois, WY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 22min).
The month with the shortest days is December (Average daylight: 9h and 1min).

  • Average sunshine in December: 6h and 48min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Dubois, WY

Average sunshine days in December - Dubois, WY
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is May (9 days).

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Average UV index in December
Dubois, WY

Average UV index in December - Dubois, WY
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in December
Dubois, WY

Average cloud cover in December - Dubois, WY
  • Average cloud cover in December: 29

The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Dubois, WY

Average visibility in December - Dubois, WY
  • Average visibility in December: 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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