December weather forecast
Cascade, CO

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Weather in December

December, the first month of the winter in Cascade, is still a cold month, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 37.2°F (2.9°C).

Temperature

Cascade's coldest weather arrives in December, when temperatures average a high of 37.2°F (2.9°C) and a low of 18.3°F (-7.6°C).

Humidity

The average relative humidity in December in Cascade is 64%.

Rainfall

November and December are months with the least rain in Cascade when the rain falls for 4.3 days and typically aggregates up to 0.63" (16mm) of rain.

Snowfall

January through May, September through December are months with snowfall in Cascade. In Cascade, in December, snow falls for 9.2 days, with typically accumulated 4.72" (120mm) of snow. In Cascade, during the entire year, snow falls for 56.2 days and aggregates up to 42.13" (1070mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cascade.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:38 pm. On the last day of December, in Cascade, Colorado, sunrise is at 7:18 am and sunset at 4:48 pm MST.

Sunshine

In Cascade, the average sunshine in December is 6.9h.

UV index

January, February, October through 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 minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Cascade?

December, with average temperatures reaching a high of 37.2°F (2.9°C) and a low of 18.3°F (-7.6°C), is the coldest month in Cascade.

How cold is December in Cascade?

In December, the average high-temperature and low-temperature in Cascade are 37.2°F (2.9°C) and 18.3°F (-7.6°C) respectively.

What is the average humidity in December in Cascade?

In Cascade, the average relative humidity in December is 64%.

What is the driest month in Cascade?

November and December are months with the least rain in Cascade when the rain falls for 4.3 days and typically aggregates up to 0.63" (16mm) of rain.

How much does it rain in Cascade in December?

In December, in Cascade, the rain falls for 4.3 days. Throughout December, 0.63" (16mm) of precipitation is accumulated.

How many days does it snow in December in Cascade?

In December, in Cascade, it is snowing for 9.2 days. Throughout December, 4.72" (120mm) of snow is accumulated.

What is the month with the shortest days in Cascade?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

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

The average day length in December in Cascade, Colorado, is 9h and 29min.

When is the sunrise / sunset in December in Cascade?

On the first day of December in Cascade, sunrise is at 7:00 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:48 pm MST.

How long on average sun shines in December in Cascade?

In December, the average sunshine duration is 6.9h.

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

The months with the lowest UV index in Cascade are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Cascade?

In Cascade, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from 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
Cascade, CO

Average temperature in December - Cascade, CO
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is December (37.2°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (54.7°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).

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Average pressure in December
Cascade, CO

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Cascade, CO

Average wind speed in December - Cascade, CO
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Cascade, CO

Average humidity in December - Cascade, CO
  • Average humidity in December: 64%

The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (46%).

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Average rainfall in December
Cascade, CO

Average rainfall in December - Cascade, CO
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is July (3.27").
The driest months (with the least rainfall) are November and December (0.63").

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Average rainfall days in December
Cascade, CO

Average rainfall days in December - Cascade, CO
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in December
Cascade, CO

Average snowfall in December - Cascade, CO
  • Average snowfall in December: 4.72"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Cascade, CO

Average snowfall days in December - Cascade, CO
  • Average snowfall days in December: 9.2 days

The month with the highest number of snowfall days is February (10.8 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
Cascade, CO

Average daylight in December / Average sunshine in December - Cascade, CO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in December
Cascade, CO

Average sunshine days in December - Cascade, CO
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (8.6 days).

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Average UV index in December
Cascade, CO

Average UV index in December - Cascade, 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, October, November and December (UV index 2).

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Average cloud cover in December
Cascade, CO

Average cloud cover in December - Cascade, CO
  • Average cloud cover in December: 23

The month with the most cloud cover is April (Cloud cover 29).
The months with the least cloud cover are September and November (Cloud cover 17).

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Average visibility in December
Cascade, CO

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

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