December weather forecast
Roggen, CO

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Weather in December

December, the first month of the winter in Roggen, is also a wintry month, with an average temperature ranging between max 38.8°F (3.8°C) and min 20.7°F (-6.3°C).

Temperature

The coldest time of the year is December, with temperatures averaging a high of 38.8°F (3.8°C) and a low of 20.7°F (-6.3°C).

Humidity

The average relative humidity in December is 63%.

Rainfall

In Roggen, in December, during 2.2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. In Roggen, during the entire year, the rain falls for 104.9 days and collects up to 12.32" (313mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Roggen, during December, snow falls for 5.5 days and regularly aggregates up to 1.73" (44mm) of snow. In Roggen, during the entire year, snow falls for 36.4 days and aggregates up to 21.38" (543mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:41 pm MST.

Sunshine

In December, the average sunshine in Roggen, Colorado, is 6.7h.

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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 in December translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Roggen?

December, known for its average high temperature of 38.8°F (3.8°C) and an average low temperature of 20.7°F (-6.3°C), is the coldest month.

Is it cold during December?

During December, Roggen experiences an average high-temperature of 38.8°F (3.8°C) and a low-temperature of 20.7°F (-6.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 63%.

How many days does it rain in December?

In Roggen, in December, during 2.2 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Roggen, during December, snow falls for 5.5 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Roggen, the average day length in December is 9h and 22min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, in Roggen, sunrise is at 7:19 am and sunset at 4:41 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 6.7h.

When is the lowest UV index?

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?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Roggen, CO

Average temperature in December - Roggen, CO
  • Average high temperature in December: 38.8°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 (38.8°F).

  • Average low temperature in December: 20.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

Average pressure in December
Roggen, CO

Average pressure in December - Roggen, CO
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Roggen, CO

Average wind speed in December - Roggen, CO
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

Average humidity in December
Roggen, CO

Average humidity in December - Roggen, 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 (43%).

Average rainfall in December
Roggen, CO

Average rainfall in December - Roggen, CO
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.28").

Average rainfall days in December
Roggen, CO

Average rainfall days in December - Roggen, CO
  • Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.1 days).

Average snowfall in December
Roggen, CO

Average snowfall in December - Roggen, CO
  • Average snowfall in December: 1.73"

The month with the highest snowfall is April (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Roggen, CO

Average snowfall days in December - Roggen, CO
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Roggen, CO

Average daylight in December / Average sunshine in December - Roggen, 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 4min

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 36min).

Average sunshine days in December
Roggen, CO

Average sunshine days in December - Roggen, CO
  • Average sunshine days in December: 25.1 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (10.2 days).

Average UV index in December
Roggen, CO

Average UV index in December - Roggen, 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).

Average cloud cover in December
Roggen, CO

Average cloud cover in December - Roggen, CO
  • Average cloud cover in December: 26

The months with the most cloud cover are February and April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 16).

Average visibility in December
Roggen, CO

Average visibility in December - Roggen, 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).

Roggen, Colorado, USA

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