December weather forecast
Buffalo, WY

Weather in December

December, the first month of the winter in Buffalo, is still a freezing cold month, with temperature in the range of an average high of 29.1°F (-1.6°C) and an average low of 15.4°F (-9.2°C).

Temperature

In Buffalo, the average high-temperature in December decreases from a cold 39.4°F (4.1°C) in November to a freezing cold 29.1°F (-1.6°C). The average low-temperature, in December, is 15.4°F (-9.2°C).

Humidity

The average relative humidity in December is 71%.

Rainfall

The month with the least rainfall in Buffalo, Wyoming, is December, when the rain falls for 5 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In December, it is snowing for 10.7 days. Throughout December, 2.64" (67mm) of snow is accumulated. In Buffalo, during the entire year, snow falls for 78 days and aggregates up to 39.13" (994mm) of snow.

Daylight

With an average of 8h and 55min of daylight, December has the shortest days of the year in Buffalo, Wyoming.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:29 pm. On the last day of December, in Buffalo, sunrise is at 7:42 am and sunset at 4:37 pm MST.

Sunshine

In December, the average sunshine in Buffalo 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, Wyoming. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Buffalo?

The average relative humidity in December is 71%.

What is the driest month in Buffalo?

December is the month with the least rainfall in Buffalo, Wyoming. Rain falls for 5 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in December in Buffalo?

In Buffalo, in December, it is raining for 5 days, with typically 0.47" (12mm) of accumulated precipitation.

How much does it snow in Buffalo in December?

In Buffalo, in December, snow falls for 10.7 days, with typically accumulated 2.64" (67mm) of snow.

What is the month with the shortest days in Buffalo?

With an average of 8h and 55min of daylight, December has the shortest days of the year in Buffalo, Wyoming.

How many hours of daylight does Buffalo have in December?

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

What time are sunrise and sunset in December in Buffalo?

On the first day of December, 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?

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

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

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

What is the UV index reading in December in Buffalo?

In December, the average daily maximum UV index in Buffalo, Wyoming, is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
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 55min

The month with the longest days is June (Average daylight: 15h and 28min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in December: 6h and 30min

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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