December weather forecast
Fort Bridger, WY

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Weather in December

December, the first month of the winter in Fort Bridger, is still a freezing cold month, with an average temperature varying between 12.6°F (-10.8°C) and 26.6°F (-3°C).

Temperature

December, known for its average high temperature of 26.6°F (-3°C) and an average low temperature of 12.6°F (-10.8°C), is the coldest month.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Fort Bridger, during December, the rain falls for 8.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Fort Bridger, during the entire year, the rain falls for 112.2 days and collects up to 11.57" (294mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Fort Bridger, during December, snow falls for 13.3 days and regularly aggregates up to 5.79" (147mm) of snow. In Fort Bridger, during the entire year, snow falls for 85.7 days and aggregates up to 41.18" (1046mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:02 pm MST.

Sunshine

The month with the least sunshine in Fort Bridger, Wyoming, is December, with an average of 6.4h of sunshine.

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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. It's recommended to limit sun exposure when its radiation is at its peak during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest month in Fort Bridger?

Fort Bridger's coldest month, December, generally records average temperatures ranging from a high of 26.6°F (-3°C) to a low of 12.6°F (-10.8°C).

How cold is it in Fort Bridger in December?

The high-temperature, in December, in Fort Bridger, is 26.6°F (-3°C), while the low-temperature averages to 12.6°F (-10.8°C).

What is the average humidity in December in Fort Bridger?

In December, the average relative humidity in Fort Bridger, Wyoming, is 80%.

How many days does it rain in December in Fort Bridger?

In Fort Bridger, during December, the rain falls for 8.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in Fort Bridger in December?

In Fort Bridger, Wyoming, in December, during 13.3 snowfall days, 5.79" (147mm) of snow is typically accumulated.

What is the month with the shortest days in Fort Bridger?

The month with the shortest days in Fort Bridger is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Fort Bridger?

In Fort Bridger, Wyoming, the average day length in December is 9h and 15min.

When are sunrise and sunset in December in Fort Bridger?

On the first day of December in Fort Bridger, sunrise is at 7:28 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:02 pm MST.

What is the month with the least sunshine in Fort Bridger?

The month with the least sunshine in Fort Bridger is December, with an average of 6.4h of sunshine.

How many hours of sunshine does Fort Bridger have in December?

In Fort Bridger, the average sunshine duration in December is 6.4h.

What is the month with the lowest UV index in Fort Bridger?

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

How high is the UV index in December in Fort Bridger?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Fort Bridger, WY

Average temperature in December - Fort Bridger, WY
  • Average high temperature in December: 26.6°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).

  • Average low temperature in December: 12.6°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in December
Fort Bridger, WY

Average pressure in December - Fort Bridger, WY
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Fort Bridger, WY

Average wind speed in December - Fort Bridger, WY
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in December
Fort Bridger, WY

Average humidity in December - Fort Bridger, WY
  • Average humidity in December: 80%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall in December
Fort Bridger, WY

Average rainfall in December - Fort Bridger, WY
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").

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Average rainfall days in December
Fort Bridger, WY

Average rainfall days in December - Fort Bridger, WY
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).

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Average snowfall in December
Fort Bridger, WY

Average snowfall in December - Fort Bridger, WY
  • Average snowfall in December: 5.79"

The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Fort Bridger, WY

Average snowfall days in December - Fort Bridger, WY
  • Average snowfall days in December: 13.3 days

The month with the highest number of snowfall days is March (15.1 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
Fort Bridger, WY

Average daylight in December / Average sunshine in December - Fort Bridger, WY
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 6h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Fort Bridger, WY

Average sunshine days in December - Fort Bridger, WY
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).

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Average UV index in December
Fort Bridger, WY

Average UV index in December - Fort Bridger, WY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (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
Fort Bridger, WY

Average cloud cover in December - Fort Bridger, WY
  • Average cloud cover in December: 33

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in December
Fort Bridger, WY

Average visibility in December - Fort Bridger, WY
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Fort Bridger, Wyoming, USA

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