December weather forecast and climate
Fort Morgan, CO

Weather in December

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

Temperature

December is the coldest month, with an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 22.5°F (-5.3°C).

Humidity

In December, the average relative humidity is 63%.

Rainfall

Months with the least rainfall in Fort Morgan 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, snow falls for 5.8 days, with typically accumulated 1.65" (42mm) of snow. Throughout the year, there are 33.8 snowfall days, and 12.83" (326mm) of snow is accumulated.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Fort Morgan.

Sunshine

Months with the least sunshine are February and December, with an average of 6.5h of sunshine.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 coldest month in Fort Morgan?

With an average high-temperature of 38.7°F (3.7°C) and an average low-temperature of 22.5°F (-5.3°C), December is the coldest month in Fort Morgan.

What is the temperature in December in Fort Morgan?

In Fort Morgan, in December, the average high-temperature is 38.7°F (3.7°C), and the average low-temperature is 22.5°F (-5.3°C).

What is the average humidity in December in Fort Morgan?

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

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

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

What is the driest month in Fort Morgan?

January and December are months with the least rain in Fort Morgan, Colorado, when the rain falls for 5 days and typically aggregates up to 0.39" (10mm) of rain.

How much does it snow in Fort Morgan in December?

In Fort Morgan, during December, snow falls for 5.8 days and regularly aggregates up to 1.65" (42mm) of snow.

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

The month with the shortest days is December, with an average of 9.4h of daylight.

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

In Fort Morgan, Colorado, the average length of the day in December is 9.4h.

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

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

How long on average sun shines in December in Fort Morgan?

In Fort Morgan, Colorado, the average sunshine in December is 6.5h.

What are the months 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 in Fort Morgan.

What is the UV index reading in December in Fort Morgan?

In December, the average daily maximum UV index in Fort Morgan, Colorado, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.

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"

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

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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%).
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").
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).
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: 9.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 6.5h

Months with the most sunshine are June, July and August (Average sunshine: 11.8h).
Months with the least sunshine are February and December (Average sunshine: 6.5).

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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

Months with the highest UV index are June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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