December weather forecast
Shawnee, WY

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Weather in December

December, the first month of the winter in Shawnee, is also an icy month, with an average temperature ranging between max 33.8°F (1°C) and min 19.2°F (-7.1°C).

Temperature

December is the coldest month, exhibiting average temperatures of 33.8°F (1°C) at the peak and 19.2°F (-7.1°C) at the base.

Humidity

The average relative humidity in December is 69%.

Rainfall

In Shawnee, during December, the rain falls for 3.2 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 84.9 rainfall days, and 9.61" (244mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In December, it is snowing for 7.2 days. Throughout December, 1.73" (44mm) of snow is accumulated. Throughout the year, there are 43 snowfall days, and 17.64" (448mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Shawnee, sunrise is at 7:11 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:36 pm MST.

Sunshine

In Shawnee, the average sunshine in December is 6.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shawnee. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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 Shawnee?

December, known for its average high temperature of 33.8°F (1°C) and an average low temperature of 19.2°F (-7.1°C), is the coldest month.

How cold is it in Shawnee in December?

The average high-temperature, in December, in Shawnee, is 33.8°F (1°C), while the average low-temperature is 19.2°F (-7.1°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 84.2°F (29°C).

What is the average humidity in December in Shawnee?

In Shawnee, Wyoming, the average relative humidity in December is 69%.

How much does it rain in Shawnee in December?

In Shawnee, Wyoming, in December, during 3.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How much does it snow in Shawnee in December?

In Shawnee, Wyoming, during December, snow falls for 7.2 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days in Shawnee?

December has the shortest days of the year in Shawnee, with an average of 9h and 6min of daylight.

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

In Shawnee, the average day length in December is 9h and 6min.

When is the sunrise / sunset in December in Shawnee?

On the first day of December in Shawnee, sunrise is at 7:11 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:36 pm MST.

How many hours of sunshine does Shawnee have in December?

In December, the average sunshine duration is 6.5h.

When is the lowest UV index in Shawnee?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Shawnee?

In December, the average daily maximum UV index in Shawnee, Wyoming, 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
Shawnee, WY

Average temperature in December - Shawnee, WY
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).

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Average pressure in December
Shawnee, WY

Average pressure in December - Shawnee, WY
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Shawnee, WY

Average wind speed in December - Shawnee, WY
  • Average wind speed in December: 11mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in December
Shawnee, WY

Average humidity in December - Shawnee, WY
  • Average humidity in December: 69%

The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Shawnee, WY

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

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
Shawnee, WY

Average rainfall days in December - Shawnee, WY
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in December
Shawnee, WY

Average snowfall in December - Shawnee, WY
  • Average snowfall in December: 1.73"

The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Shawnee, WY

Average snowfall days in December - Shawnee, WY
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

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

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in December
Shawnee, WY

Average sunshine days in December - Shawnee, WY
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).

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Average UV index in December
Shawnee, WY

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Shawnee, WY

Average cloud cover in December - Shawnee, WY
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in December
Shawnee, WY

Average visibility in December - Shawnee, 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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Shawnee, Wyoming, USA

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