December weather forecast
Egbert, WY

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Weather in December

The first month of the winter, December, is still a cold month in Egbert, Wyoming, with an average temperature varying between 20.3°F (-6.5°C) and 34.7°F (1.5°C).

Temperature

December is the coldest month, with an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 20.3°F (-6.5°C).

Humidity

The average relative humidity in December in Egbert is 63%.

Rainfall

In Egbert, in December, during 5.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 116 rainfall days, and 14.57" (370mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Egbert. In Egbert, during December, snow falls for 9.6 days and regularly aggregates up to 2.8" (71mm) of snow. In Egbert, during the entire year, snow falls for 62 days and aggregates up to 30.51" (775mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:28 pm. On the last day of December, in Egbert, sunrise is at 7:22 am and sunset at 4:38 pm MST.

Sunshine

In December, the average sunshine in Egbert is 6.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What part of the year is the coldest in Egbert?

Egbert's December weather, marked by an average high temperature of 34.7°F (1.5°C) and an average low temperature of 20.3°F (-6.5°C), is the coldest in the year.

How cold is it in Egbert in December?

During December, Egbert experiences an average high-temperature of 34.7°F (1.5°C) and a low-temperature of 20.3°F (-6.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 80.6°F (27°C).

What is the average humidity in December in Egbert?

In Egbert, Wyoming, the average relative humidity in December is 63%.

How much does it rain in Egbert in December?

In December, in Egbert, Wyoming, the rain falls for 5.5 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How much does it snow in Egbert in December?

In Egbert, in December, during 9.6 snowfall days, 2.8" (71mm) of snow is typically accumulated.

What is the month with the shortest days in Egbert?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Egbert, Wyoming.

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

In Egbert, the average day length in December is 9h and 16min.

What time are sunrise and sunset in December in Egbert?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:28 pm. On the last day of the month, in Egbert, Wyoming, sunrise is at 7:22 am and sunset at 4:38 pm MST.

How long on average sun shines in December in Egbert?

In December, the average sunshine duration in Egbert is 6.6h.

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

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

How high is the UV index in December in Egbert?

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

Average temperature in December - Egbert, WY
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in December
Egbert, WY

Average pressure in December - Egbert, 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 (29.87"Hg).

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Average wind speed in December
Egbert, WY

Average wind speed in December - Egbert, WY
  • Average wind speed in December: 13.1mph

The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in December
Egbert, WY

Average humidity in December - Egbert, WY
  • Average humidity in December: 63%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in December
Egbert, WY

Average rainfall in December - Egbert, WY
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in December
Egbert, WY

Average rainfall days in December - Egbert, WY
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall in December
Egbert, WY

Average snowfall in December - Egbert, WY
  • Average snowfall in December: 2.8"

The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Egbert, WY

Average snowfall days in December - Egbert, WY
  • Average snowfall days in December: 9.6 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
Egbert, WY

Average daylight in December / Average sunshine in December - Egbert, WY
  • Average daylight in December: 9h and 2min

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

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).

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Average sunshine days in December
Egbert, WY

Average sunshine days in December - Egbert, WY
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).

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Average UV index in December
Egbert, WY

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

The months with the highest UV index are 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
Egbert, WY

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

The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).

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Average visibility in December
Egbert, WY

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

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