December weather forecast
Milliken, CO

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Weather in December

The first month of the winter, December, is also a wintry month in Milliken, Colorado, with an average temperature ranging between min 20.7°F (-6.3°C) and max 39.4°F (4.1°C).

Temperature

December, characterized by an average high temperature of 39.4°F (4.1°C) and a low temperature of 20.7°F (-6.3°C), is generally the coldest month.

Humidity

January, February and December, with an average relative humidity of 63%, are the most humid months in Milliken.

Rainfall

January and December are months with the least rain when the rain falls for 5.2 days and typically aggregates up to 0.39" (10mm) of rain.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 7 days. Throughout December, 2.76" (70mm) of snow is accumulated. Throughout the year, in Milliken, there are 41 snowfall days, and 25.51" (648mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Milliken.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:43 pm MST.

Sunshine

In Milliken, Colorado, the average sunshine in December is 6.9h.

UV index

The months with the lowest UV index in Milliken, Colorado, 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 vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should 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. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the coldest month in Milliken?

Milliken's coldest month, December, registers temperatures that range from a high of 39.4°F (4.1°C) to a low of 20.7°F (-6.3°C).

How cold is it in Milliken in December?

December temperatures in Milliken, Colorado, vary between a high-temperature of 39.4°F (4.1°C) and a low-temperature of 20.7°F (-6.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the most humid month in Milliken?

January, February and December, with an average relative humidity of 63%, are most humid months.

What is the average humidity in December in Milliken?

In Milliken, Colorado, the average relative humidity in December is 63%.

What is the driest month in Milliken?

January and December are months with the least rain in Milliken when the rain falls for 5.2 days and typically aggregates up to 0.39" (10mm) of rain.

How many days does it rain in December in Milliken?

In Milliken, in December, during 5.2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How much does it snow in Milliken in December?

In Milliken, in December, snow falls for 7 days, with typically accumulated 2.76" (70mm) of snow.

What is the month with the shortest days in Milliken?

The month with the shortest days in Milliken, Colorado, is December, with an average of 9h and 24min of daylight.

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

The average day length in December is 9h and 21min.

What time are sunrise and sunset in December in Milliken?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of the month, in Milliken, sunrise is at 7:22 am and sunset at 4:43 pm MST.

How many hours of sunshine does Milliken have in December?

The average sunshine duration in December in Milliken, Colorado, is 6.9h.

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

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 Milliken?

In December, the average daily maximum UV index in Milliken is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Milliken, CO

Average temperature in December - Milliken, CO
  • Average high temperature in December: 39.4°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 (39.4°F).

  • Average low temperature in December: 20.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in December
Milliken, CO

Average pressure in December - Milliken, CO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Milliken, CO

Average wind speed in December - Milliken, CO
  • Average wind speed in December: 5.5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).

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Average humidity in December
Milliken, CO

Average humidity in December - Milliken, CO
  • Average humidity in December: 63%

The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are August and September (42%).

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Average rainfall in December
Milliken, CO

Average rainfall in December - Milliken, CO
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January and December (0.39").

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Average rainfall days in December
Milliken, CO

Average rainfall days in December - Milliken, CO
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (3.7 days).

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Average snowfall in December
Milliken, CO

Average snowfall in December - Milliken, CO
  • Average snowfall in December: 2.76"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Milliken, CO

Average snowfall days in December - Milliken, CO
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is February (9.6 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
Milliken, CO

Average daylight in December / Average sunshine in December - Milliken, 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 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Milliken, CO

Average sunshine days in December - Milliken, CO
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in December
Milliken, CO

Average UV index in December - Milliken, 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
Milliken, CO

Average cloud cover in December - Milliken, CO
  • Average cloud cover in December: 24

The month with the most cloud cover is April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).

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Average visibility in December
Milliken, CO

Average visibility in December - Milliken, 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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Milliken, Colorado, USA

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