December weather forecast
Buffalo, WY

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Weather in December

Buffalo, Wyoming welcomes December with shorter daylight hours and a preparedness for the recurring winter. Along with the drop in temperature, a surge in snowfall also occurs, slowly tracing the routes of the previous winter. While average snowfall accelerates recording 2.74", residents and tourists enjoy the marvel of white landscapes and festive spirit. Shifting from November, December brings longer evenings, cozying up Buffalo for the winter solstice. It perfectly rounds off the climatic cycle, preparing Buffalo to start anew.

Temperature

As Buffalo enters December, the average high-temperature decreases from the a cold 39.4°F of November to a subzero cold 29.1°F. In Buffalo, December nights cool down to an average of 15.4°F.

Humidity

In December, the average relative humidity in Buffalo, Wyoming, is 71%.

Rainfall

December is the month with the least rainfall. Rain falls for 5 days and accumulates 0.47" of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Buffalo, Wyoming, during December, snow falls for 10.7 days and regularly aggregates up to 2.64" of snow. Throughout the year, there are 78 snowfall days, and 39.13" of snow is accumulated.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of December in Buffalo, sunrise is at 7:22 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:37 pm MST.

Sunshine

In December, the average sunshine is 6.5h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Buffalo. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

How cold is it in Buffalo in December?

December temperatures vary between a high-temperature of 29.1°F and a low-temperature of 15.4°F.

What is the average humidity in December in Buffalo?

The average relative humidity in December is 71%.

What is the driest month in Buffalo?

The month with the least rainfall in Buffalo is December, when the rain falls for 5 days and typically collects 0.47" of precipitation.

How much does it rain in Buffalo in December?

In December, in Buffalo, the rain falls for 5 days. Throughout December, 0.47" of precipitation is accumulated.

How much does it snow in Buffalo in December?

In December, it is snowing for 10.7 days. Throughout December, 2.64" of snow is accumulated.

What is the month with the shortest days in Buffalo?

December has the shortest days of the year in Buffalo, with an average of 8h and 54min of daylight.

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

In Buffalo, the average day length in December is 8h and 55min.

When is the sunrise / sunset in December in Buffalo?

On the first day of December in Buffalo, Wyoming, sunrise is at 7:22 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:37 pm MST.

How many hours of sunshine does Buffalo have in December?

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

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

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

What is the UV index intensity in December in Buffalo?

In Buffalo, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Buffalo, WY

Average temperature in December - Buffalo, WY
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (28.9°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (14°F).

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Average pressure in December
Buffalo, WY

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

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Buffalo, WY

Average wind speed in December - Buffalo, WY
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Buffalo, WY

Average humidity in December - Buffalo, WY
  • Average humidity in December: 71%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in December
Buffalo, WY

Average rainfall in December - Buffalo, WY
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is December (0.47").

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Average rainfall days in December
Buffalo, WY

Average rainfall days in December - Buffalo, WY
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is December (5 days).

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Average snowfall in December
Buffalo, WY

Average snowfall in December - Buffalo, WY
  • Average snowfall in December: 2.64"

The month with the highest snowfall is April (7.05").
The months with the least snowfall are July and August (0").

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Average snowfall days in December
Buffalo, WY

Average snowfall days in December - Buffalo, WY
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is February (13.7 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
Buffalo, WY

Average daylight in December / Average sunshine in December - Buffalo, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

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Average sunshine days in December
Buffalo, WY

Average sunshine days in December - Buffalo, WY
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (5.5 days).

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Average UV index in December
Buffalo, WY

Average UV index in December - Buffalo, 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
Buffalo, WY

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

The month with the most cloud cover is April (Cloud cover 38).
The months with the least cloud cover are July and September (Cloud cover 17).

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Average visibility in December
Buffalo, WY

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

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