December weather forecast
Nunn, CO

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Weather in December

The first month of the winter, December, is still a cold month in Nunn, Colorado, with an average temperature ranging between max 38.3°F (3.5°C) and min 20.3°F (-6.5°C).

Temperature

December is the month when Nunn experiences its coldest temperatures, averaging a high of 38.3°F (3.5°C) and a low of 20.3°F (-6.5°C).

Humidity

The most humid month is December, with an average relative humidity of 64%.

Rainfall

The months with the least rainfall are January and December Rain falls for 3.8 days and accumulates 0.31" (8mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 6.6 days. Throughout December, 1.93" (49mm) of snow is accumulated. In Nunn, Colorado, during the entire year, snow falls for 39.6 days and aggregates up to 21.26" (540mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:04 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:41 pm MST.

Sunshine

In December, the average sunshine 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The lowest temperatures are recorded in December, with averages reaching a high of 38.3°F (3.5°C) and a low of 20.3°F (-6.5°C).

How cold is December?

An average high-temperature, in December, in Nunn, is 38.3°F (3.5°C) and the average low-temperature is 20.3°F (-6.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 64%.

What is the average humidity in December?

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

What is the driest month?

The months with the least rainfall are January and December Rain falls for 3.8 days and accumulates 0.31" (8mm) of rain.

How many days does it rain in December?

In Nunn, in December, it is raining for 3.8 days, with typically 0.31" (8mm) of accumulated precipitation.

How many days does it snow in December?

In Nunn, Colorado, in December, snow falls for 6.6 days, with typically accumulated 1.93" (49mm) of snow.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 19min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:41 pm MST.

How many hours of sunshine does Nunn have 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.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Nunn, CO

Average temperature in December - Nunn, CO
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in December: 20.3°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 (20.3°F).

Average pressure in December
Nunn, CO

Average pressure in December - Nunn, CO
  • Average pressure in December: 30.12"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
Nunn, CO

Average wind speed in December - Nunn, CO
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Nunn, CO

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

The month with the highest relative humidity is December (64%).
The months with the lowest relative humidity are August and September (44%).

Average rainfall in December
Nunn, CO

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

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and December (0.31").

Average rainfall days in December
Nunn, CO

Average rainfall days in December - Nunn, CO
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in December
Nunn, CO

Average snowfall in December - Nunn, CO
  • Average snowfall in December: 1.93"

The month with the highest snowfall is April (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Nunn, CO

Average snowfall days in December - Nunn, CO
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Nunn, 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 18min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in December
Nunn, CO

Average sunshine days in December - Nunn, CO
  • Average sunshine days in December: 23.3 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in December
Nunn, CO

Average UV index in December - Nunn, 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
Nunn, CO

Average cloud cover in December - Nunn, CO
  • Average cloud cover in December: 27

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

Average visibility in December
Nunn, CO

Average visibility in December - Nunn, 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).

Nunn, Colorado, USA

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