December weather forecast
Wapiti, WY

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Weather in December

December, the first month of the winter in Wapiti, is still a freezing cold month, with an average temperature fluctuating between 27.7°F (-2.4°C) and 12.4°F (-10.9°C).

Temperature

December is Wapiti's coldest month, registering average high temperatures of 27.7°F (-2.4°C) and lows of 12.4°F (-10.9°C).

Humidity

In Wapiti, Wyoming, the average relative humidity in December is 75%.

Rainfall

January and December are months with the least rain in Wapiti when the rain falls for 6.7 days and typically aggregates up to 0.35" (9mm) of rain.

Snowfall

Months with snowfall in Wapiti are January through June, September through December. In Wapiti, Wyoming, during December, snow falls for 9.3 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, in Wapiti, Wyoming, there are 67.3 snowfall days, and 29.72" (755mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:34 am and sunset at 4:39 pm. On the last day of December, in Wapiti, sunrise is at 7:53 am and sunset at 4:48 pm MST.

Sunshine

In December, the average sunshine in Wapiti is 6.8h.

UV index

The months with the lowest UV index in Wapiti are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What month is the coldest in Wapiti?

December, marked by an average high-temperature of 27.7°F (-2.4°C) and a low-temperature of 12.4°F (-10.9°C), is the coldest month in Wapiti, Wyoming.

How cold is December in Wapiti?

The average high-temperature, in December, in Wapiti, is 27.7°F (-2.4°C), while the average low-temperature is 12.4°F (-10.9°C).

What is the average humidity in December in Wapiti?

In Wapiti, the average relative humidity in December is 75%.

What is the driest month in Wapiti?

The months with the least rainfall are January and December Rain falls for 6.7 days and accumulates 0.35" (9mm) of rain.

How many days does it rain in December in Wapiti?

In December, in Wapiti, Wyoming, the rain falls for 6.7 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

How much does it snow in Wapiti in December?

In Wapiti, Wyoming, in December, during 9.3 snowfall days, 2.68" (68mm) of snow is typically accumulated.

What is the month with the shortest days in Wapiti?

With an average of 8h and 54min of daylight, December has the shortest days of the year in Wapiti, Wyoming.

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

In Wapiti, Wyoming, the average day length in December is 8h and 54min.

What time are sunrise and sunset in December in Wapiti?

In December, on the first day of the month, sunrise is at 7:34 am and sunset at 4:39 pm. On the last day of the month, in Wapiti, sunrise is at 7:53 am and sunset at 4:48 pm MST.

How long on average sun shines in December in Wapiti?

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

What are the months with the lowest UV index in Wapiti?

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

What is the UV index intensity in December in Wapiti?

The average daily maximum UV index in December in Wapiti, Wyoming, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Wapiti, WY

Average temperature in December - Wapiti, WY
  • Average high temperature in December: 27.7°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 (27.7°F).

  • Average low temperature in December: 12.4°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is December (12.4°F).

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Average pressure in December
Wapiti, WY

Average pressure in December - Wapiti, WY
  • Average pressure in December: 30.18"Hg

The months with the highest atmospheric pressure are January and December (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Wapiti, WY

Average wind speed in December - Wapiti, WY
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Wapiti, WY

Average humidity in December - Wapiti, WY
  • Average humidity in December: 75%

The month with the highest relative humidity is February (77%).
The months with the lowest relative humidity are July and August (41%).

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Average rainfall in December
Wapiti, WY

Average rainfall in December - Wapiti, WY
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in December
Wapiti, WY

Average rainfall days in December - Wapiti, WY
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (6.7 days).

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Average snowfall in December
Wapiti, WY

Average snowfall in December - Wapiti, WY
  • Average snowfall in December: 2.68"

The month with the highest snowfall is February (5.2").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Wapiti, WY

Average snowfall days in December - Wapiti, WY
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is February (13.2 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
Wapiti, WY

Average daylight in December / Average sunshine in December - Wapiti, WY
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Wapiti, WY

Average sunshine days in December - Wapiti, WY
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is May (7.2 days).

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Average UV index in December
Wapiti, WY

Average UV index in December - Wapiti, 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
Wapiti, WY

Average cloud cover in December - Wapiti, WY
  • Average cloud cover in December: 28

The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 15).

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Average visibility in December
Wapiti, WY

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

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