December weather forecast
Bitter Creek, WY

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Weather in December

December, the first month of the winter in Bitter Creek, is also a subzero cold month, with temperature in the range of an average low of 11.5°F (-11.4°C) and an average high of 25.7°F (-3.5°C).

Temperature

December is the coldest month, with the temperature often reaching an average high of 25.7°F (-3.5°C) and an average low of 11.5°F (-11.4°C).

Humidity

The average relative humidity in December in Bitter Creek is 82%.

Rainfall

In Bitter Creek, Wyoming, during December, the rain falls for 4.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in Bitter Creek, there are 93.5 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Bitter Creek. In Bitter Creek, Wyoming, during December, snow falls for 13.5 days and regularly aggregates up to 4.37" (111mm) of snow. In Bitter Creek, during the entire year, snow falls for 75.5 days and aggregates up to 30.16" (766mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:54 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.9h 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 in Bitter Creek, Wyoming. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the coldest month in Bitter Creek?

December is the coldest month of the year, registering average temperatures as high as 25.7°F (-3.5°C) and as low as 11.5°F (-11.4°C).

How cold is it in Bitter Creek in December?

The high-temperature in Bitter Creek, Wyoming, during December is 25.7°F (-3.5°C) and the low-temperature is 11.5°F (-11.4°C).

What is the average humidity in December in Bitter Creek?

In Bitter Creek, the average relative humidity in December is 82%.

How many days does it rain in December in Bitter Creek?

In Bitter Creek, during December, the rain falls for 4.7 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How many days does it snow in December in Bitter Creek?

In Bitter Creek, during December, snow falls for 13.5 days and regularly aggregates up to 4.37" (111mm) of snow.

What is the month with the shortest days in Bitter Creek?

The month with the shortest days in Bitter Creek, Wyoming, is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Bitter Creek have in December?

In Bitter Creek, the average day length in December is 9h and 14min.

When is the sunrise / sunset in December in Bitter Creek?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:54 pm MST.

What is the month with the least sunshine in Bitter Creek?

The months with the least sunshine in Bitter Creek, Wyoming, are January and December, with an average of 5.9h of sunshine.

How long on average sun shines in December in Bitter Creek?

The average sunshine duration in December in Bitter Creek is 5.9h.

When is the lowest UV index in Bitter Creek?

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

What is the UV index reading in December in Bitter Creek?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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 December
Bitter Creek, WY

Average temperature in December - Bitter Creek, WY
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in December: 11.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in December
Bitter Creek, WY

Average pressure in December - Bitter Creek, 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 (29.89"Hg).

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Average wind speed in December
Bitter Creek, WY

Average wind speed in December - Bitter Creek, WY
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in December
Bitter Creek, WY

Average humidity in December - Bitter Creek, WY
  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

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Average rainfall in December
Bitter Creek, WY

Average rainfall in December - Bitter Creek, WY
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in December
Bitter Creek, WY

Average rainfall days in December - Bitter Creek, WY
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

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Average snowfall in December
Bitter Creek, WY

Average snowfall in December - Bitter Creek, WY
  • Average snowfall in December: 4.37"

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Bitter Creek, WY

Average snowfall days in December - Bitter Creek, WY
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is December (13.5 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
Bitter Creek, WY

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

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 12min).

  • Average sunshine in December: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

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Average sunshine days in December
Bitter Creek, WY

Average sunshine days in December - Bitter Creek, WY
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

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Average UV index in December
Bitter Creek, WY

Average UV index in December - Bitter Creek, WY
  • Average UV index in December: 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).

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Average cloud cover in December
Bitter Creek, WY

Average cloud cover in December - Bitter Creek, WY
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Bitter Creek, WY

Average visibility in December - Bitter Creek, WY
  • Average visibility in December: 5mi

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

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Bitter Creek, Wyoming, USA

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