December weather forecast
Fort Morgan, CO

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Weather in December

The first month of the winter, December, is also a wintry month in Fort Morgan, Colorado, with an average temperature fluctuating between 38.7°F (3.7°C) and 22.5°F (-5.3°C).

Temperature

December is the month when Fort Morgan sees the lowest average temperatures, with a high of 38.7°F (3.7°C) and a low of 22.5°F (-5.3°C).

Humidity

The average relative humidity in December in Fort Morgan is 63%.

Rainfall

The months with the least rainfall are January and December Rain falls for 5 days and accumulates 0.39" (10mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In Fort Morgan, in December, during 5.8 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, in Fort Morgan, there are 33.8 snowfall days, and 12.83" (326mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Fort Morgan, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:39 pm MST.

Sunshine

February and December, with an average of 6.5h of sunshine, are months with the least sunshine in Fort Morgan, Colorado.

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 health risk from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Fort Morgan?

December is the month that records the lowest temperatures in Fort Morgan, Colorado, with averages ranging from a high of 38.7°F (3.7°C) to a low of 22.5°F (-5.3°C).

Is it cold in Fort Morgan during December?

The high-temperature in Fort Morgan, Colorado, during December is 38.7°F (3.7°C) and the low-temperature is 22.5°F (-5.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December in Fort Morgan?

In December, the average relative humidity in Fort Morgan is 63%.

What is the driest month in Fort Morgan?

The months with the least rainfall in Fort Morgan, Colorado, are January and December Rain falls for 5 days and accumulates 0.39" (10mm) of rain.

How much does it rain in Fort Morgan in December?

In Fort Morgan, during December, the rain falls for 5 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How many days does it snow in December in Fort Morgan?

In Fort Morgan, Colorado, in December, during 5.8 snowfall days, 1.65" (42mm) of snow is typically accumulated.

What is the month with the shortest days in Fort Morgan?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Fort Morgan.

What is the average length of the day in December in Fort Morgan?

The average day length in December in Fort Morgan is 9h and 22min.

When is the sunrise / sunset in December in Fort Morgan?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:39 pm MST.

What is the month with the least sunshine in Fort Morgan?

February and December, with an average of 6.5h of sunshine, are months with the least sunshine in Fort Morgan.

How many hours of sunshine does Fort Morgan have in December?

The average sunshine duration in December in Fort Morgan, Colorado, is 6.5h.

What is the month with the lowest UV index in Fort Morgan?

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

How high is the UV index in December in Fort Morgan?

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

Average temperature in December - Fort Morgan, CO
  • Average high temperature in December: 38.7°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (38.7°F).

  • Average low temperature in December: 22.5°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 (22.5°F).

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Average pressure in December
Fort Morgan, CO

Average pressure in December - Fort Morgan, CO
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Fort Morgan, CO

Average wind speed in December - Fort Morgan, CO
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is December (7.8mph).

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Average humidity in December
Fort Morgan, CO

Average humidity in December - Fort Morgan, CO
  • Average humidity in December: 63%

The month with the highest relative humidity is January (64%).
The months with the lowest relative humidity are August and September (45%).

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Average rainfall in December
Fort Morgan, CO

Average rainfall in December - Fort Morgan, CO
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.39").

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Average rainfall days in December
Fort Morgan, CO

Average rainfall days in December - Fort Morgan, CO
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is November (2.9 days).

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Average snowfall in December
Fort Morgan, CO

Average snowfall in December - Fort Morgan, CO
  • Average snowfall in December: 1.65"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Fort Morgan, CO

Average snowfall days in December - Fort Morgan, CO
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Fort Morgan, CO

Average daylight in December / Average sunshine in December - Fort Morgan, CO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

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Average sunshine days in December
Fort Morgan, CO

Average sunshine days in December - Fort Morgan, CO
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in December
Fort Morgan, CO

Average UV index in December - Fort Morgan, CO
  • Average UV index in December: 2

The months with the highest UV index are June, 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
Fort Morgan, CO

Average cloud cover in December - Fort Morgan, CO
  • Average cloud cover in December: 28

The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Fort Morgan, CO

Average visibility in December - Fort Morgan, 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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Fort Morgan, Colorado, USA

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