December weather forecast
Trimble, CO

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Weather in December

The first month of the winter, December, is also a wintry month in Trimble, Colorado, with an average temperature fluctuating between 14.7°F (-9.6°C) and 32.4°F (0.2°C).

Temperature

A shift in Trimble's weather is observed as November turns into December, with the average high temperature reducing from a frosty 43.5°F (6.4°C) to a cold 32.4°F (0.2°C). During December, Trimble witnesses a consistent average low-temperature of 14.7°F (-9.6°C).

Humidity

In Trimble, the average relative humidity in December is 76%.

Rainfall

In Trimble, during December, the rain falls for 5.5 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 113.4 rainfall days, and 20.63" (524mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Trimble. In Trimble, during December, snow falls for 12.2 days and regularly aggregates up to 14.49" (368mm) of snow. In Trimble, Colorado, during the entire year, snow falls for 69.1 days and aggregates up to 74.06" (1881mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Trimble.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:53 pm. On the last day of December, in Trimble, sunrise is at 7:25 am and sunset at 5:03 pm MST.

Sunshine

In December, the average sunshine is 6.2h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Trimble. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Trimble in December?

An average high-temperature, in December, in Trimble, is 32.4°F (0.2°C) and the average low-temperature is 14.7°F (-9.6°C).

What is the average humidity in December in Trimble?

In Trimble, the average relative humidity in December is 76%.

How many days does it rain in December in Trimble?

In Trimble, in December, it is raining for 5.5 days, with typically 1.81" (46mm) of accumulated precipitation.

How many days does it snow in December in Trimble?

In Trimble, during December, snow falls for 12.2 days and regularly aggregates up to 14.49" (368mm) of snow.

What is the month with the shortest days in Trimble?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Trimble have in December?

In December, the average day length is 9h and 38min.

When are sunrise and sunset in December in Trimble?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:03 pm MST.

How many hours of sunshine does Trimble have in December?

In December, the average sunshine duration in Trimble is 6.2h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Trimble?

In Trimble, Colorado, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Trimble, CO

Average temperature in December - Trimble, CO
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 14.7°F

The month with the highest average low temperature is July (51.6°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in December
Trimble, CO

Average pressure in December - Trimble, CO
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.91"Hg).

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Average wind speed in December
Trimble, CO

Average wind speed in December - Trimble, CO
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is December (4.9mph).

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Average humidity in December
Trimble, CO

Average humidity in December - Trimble, CO
  • Average humidity in December: 76%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in December
Trimble, CO

Average rainfall in December - Trimble, CO
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is June (0.94").

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Average rainfall days in December
Trimble, CO

Average rainfall days in December - Trimble, CO
  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (3.4 days).

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Average snowfall in December
Trimble, CO

Average snowfall in December - Trimble, CO
  • Average snowfall in December: 14.49"

The month with the highest snowfall is February (14.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Trimble, CO

Average snowfall days in December - Trimble, CO
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is February (12.8 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
Trimble, CO

Average daylight in December / Average sunshine in December - Trimble, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 1min

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

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Average sunshine days in December
Trimble, CO

Average sunshine days in December - Trimble, CO
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (6.9 days).

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Average UV index in December
Trimble, CO

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Trimble, CO

Average cloud cover in December - Trimble, CO
  • Average cloud cover in December: 32

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in December
Trimble, CO

Average visibility in December - Trimble, CO
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Trimble, Colorado, USA

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