December weather forecast
Crook, CO

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Weather in December

December, the first month of the winter in Crook, is also a wintry month, with an average temperature fluctuating between 22.3°F and 37.4°F.

Temperature

December, noted for its average high-temperature of 37.4°F and an average low-temperature of 22.3°F, is considered the coldest month.

Humidity

The average relative humidity in December is 66%.

Rainfall

In Crook, in December, it is raining for 3.5 days, with typically 0.47" of accumulated precipitation. Throughout the year, in Crook, there are 105.9 rainfall days, and 15.94" of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 6.6 days. Throughout December, 1.81" of snow is accumulated. In Crook, during the entire year, snow falls for 39.5 days and aggregates up to 15.51" of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 6:56 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:32 pm MST.

Sunshine

The average sunshine in December is 6.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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FAQ

What part of the year is the coldest in Crook?

Crook reaches its average lowest temperatures in December, measuring 37.4°F at the peak and 22.3°F at the lowest.

How cold is December in Crook?

Crook in December has an average high-temperature of 37.4°F and an average low-temperature of 22.3°F. 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 evaluated at 86°F.

What is the average humidity in December in Crook?

In December, the average relative humidity in Crook, Colorado, is 66%.

How many days does it rain in December in Crook?

In Crook, Colorado, in December, during 3.5 rainfall days, 0.47" of precipitation is typically accumulated.

How many days does it snow in December in Crook?

In Crook, Colorado, in December, snow falls for 6.6 days, with typically accumulated 1.81" of snow.

What is the month with the shortest days in Crook?

December has the shortest days of the year in Crook, with an average of 9h and 18min of daylight.

How many hours of daylight does Crook have in December?

In Crook, the average day length in December is 9h and 18min.

When is the sunrise / sunset in December in Crook?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:24 pm. On the last day of the month, in Crook, sunrise is at 7:15 am and sunset at 4:32 pm MST.

How long on average sun shines in December in Crook?

The average sunshine duration in December in Crook, Colorado, is 6.3h.

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

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

How high is the UV index in December in Crook?

In Crook, Colorado, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to 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
Crook, CO

Average temperature in December - Crook, CO
  • Average high temperature in December: 37.4°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in December: 22.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

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Average pressure in December
Crook, CO

Average pressure in December - Crook, CO
  • Average pressure in December: 30.11"Hg

The months with the highest atmospheric pressure are January and December (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Crook, CO

Average wind speed in December - Crook, CO
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).

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Average humidity in December
Crook, CO

Average humidity in December - Crook, CO
  • Average humidity in December: 66%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is September (48%).

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Average rainfall in December
Crook, CO

Average rainfall in December - Crook, CO
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
Crook, CO

Average rainfall days in December - Crook, CO
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is December (3.5 days).

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Average snowfall in December
Crook, CO

Average snowfall in December - Crook, CO
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Crook, CO

Average snowfall days in December - Crook, CO
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is February (9.2 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
Crook, CO

Average daylight in December / Average sunshine in December - Crook, CO
  • 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 2min

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

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Average sunshine days in December
Crook, CO

Average sunshine days in December - Crook, CO
  • Average sunshine days in December: 21.9 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (12.4 days).

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Average UV index in December
Crook, CO

Average UV index in December - Crook, CO
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
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
Crook, CO

Average cloud cover in December - Crook, CO
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in December
Crook, CO

Average visibility in December - Crook, CO
  • 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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Crook, Colorado, USA

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