December weather forecast
Midwest, WY

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Weather in December

December, the first month of the winter in Midwest, is still a freezing cold month, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.1°F (-9.4°C).

Temperature

December, characterized by an average high temperature of 28.6°F (-1.9°C) and a low temperature of 15.1°F (-9.4°C), is generally the coldest month.

Humidity

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

Rainfall

In Midwest, in December, it is raining for 3.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 81 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Midwest, in December, snow falls for 9.8 days, with typically accumulated 4.21" (107mm) of snow. In Midwest, during the entire year, snow falls for 62.6 days and aggregates up to 31.65" (804mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:39 pm MST.

Sunshine

In Midwest, Wyoming, the average sunshine in December is 6.5h.

UV index

January through March, 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 minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest month in Midwest?

In Midwest, December is the coldest month, with temperatures averaging a high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C).

How cold is December in Midwest?

The average high-temperature, in December, in Midwest, is 28.6°F (-1.9°C), while the average low-temperature is 15.1°F (-9.4°C).

What is the average humidity in December in Midwest?

The average relative humidity in December is 76%.

How much does it rain in Midwest in December?

In Midwest, during December, the rain falls for 3.3 days and regularly aggregates up to 0.63" (16mm) of precipitation.

How many days does it snow in December in Midwest?

In Midwest, Wyoming, in December, snow falls for 9.8 days, with typically accumulated 4.21" (107mm) of snow.

What is the month with the shortest days in Midwest?

The month with the shortest days in Midwest is December, with an average of 9h and 0min of daylight.

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

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

What time are sunrise and sunset in December in Midwest?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, in Midwest, Wyoming, sunrise is at 7:37 am and sunset at 4:39 pm MST.

How long on average sun shines in December in Midwest?

In Midwest, Wyoming, the average sunshine duration in December is 6.5h.

What is the month with the lowest UV index in Midwest?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Midwest, Wyoming.

What is the UV index reading in December in Midwest?

In Midwest, Wyoming, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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 December
Midwest, WY

Average temperature in December - Midwest, WY
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 15.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

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Average pressure in December
Midwest, WY

Average pressure in December - Midwest, WY
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Midwest, WY

Average wind speed in December - Midwest, WY
  • Average wind speed in December: 11.6mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

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Average humidity in December
Midwest, WY

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

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in December
Midwest, WY

Average rainfall in December - Midwest, WY
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").

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Average rainfall days in December
Midwest, WY

Average rainfall days in December - Midwest, WY
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).

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Average snowfall in December
Midwest, WY

Average snowfall in December - Midwest, WY
  • Average snowfall in December: 4.21"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Midwest, WY

Average snowfall days in December - Midwest, WY
  • Average snowfall days in December: 9.8 days

The month with the highest number of snowfall days is February (11.3 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
Midwest, WY

Average daylight in December / Average sunshine in December - Midwest, WY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

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Average sunshine days in December
Midwest, WY

Average sunshine days in December - Midwest, WY
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in December
Midwest, WY

Average UV index in December - Midwest, 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, March, October, November and December (UV index 2).

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Average cloud cover in December
Midwest, WY

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

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in December
Midwest, WY

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

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