December weather forecast
Nederland, CO

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A unique shot of the calm blue water at the base of the magnificent Rocky Mountains in Nederland, Colorado
A unique shot of the calm blue water at the base of the magnificent Rocky Mountains in Nederland, Colorado

Weather in December

December delivers Nederland into the full swing of winter, much like the beginning of the year. The mercury takes a deep dive, swinging between 13.8°F (-10.1°C) to 30°F (-1.1°C). The city decorates itself in a winter wonderland, evoking the festive spirit characteristic of the holiday season. The days end as early as they start, highlighting the longest nights of the year, thus welcoming a new cycle of Nederland's diverse weather as the year comes to a close.

Temperature

Temperature readings reach their annual highs in December, averaging 30°F (-1.1°C) and a minimum average of 13.8°F (-10.1°C).

Humidity

The average relative humidity in December is 71%.

Rainfall

In Nederland, in December, it is raining for 4.8 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Nederland, there are 112.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. In Nederland, during December, snow falls for 11.9 days and regularly aggregates up to 6.42" (163mm) of snow. In Nederland, during the entire year, snow falls for 94.8 days and aggregates up to 86.42" (2195mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:47 pm MST.

Sunshine

The average sunshine in December in Nederland is 6.4h.

UV index

January through April, 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 low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are the coldest months in Nederland?

Nederland's December weather, marked by an average high temperature of 30°F (-1.1°C) and an average low temperature of 13.8°F (-10.1°C), is the coldest in the year.

How cold is it in Nederland in December?

The high-temperature, in December, in Nederland, is 30°F (-1.1°C), while the low-temperature averages to 13.8°F (-10.1°C).

What is the average humidity in December in Nederland?

The average relative humidity in December in Nederland, Colorado, is 71%.

How many days does it rain in December in Nederland?

In December, in Nederland, the rain falls for 4.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

How much does it snow in Nederland in December?

In Nederland, Colorado, in December, snow falls for 11.9 days, with typically accumulated 6.42" (163mm) of snow.

What is the month with the shortest days in Nederland?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Nederland have in December?

The average day length in December is 9h and 23min.

When is the sunrise / sunset in December in Nederland?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:47 pm MST.

How long on average sun shines in December in Nederland?

In Nederland, Colorado, the average sunshine duration in December is 6.4h.

What is the month with the lowest UV index in Nederland?

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

What is the UV index reading in December in Nederland?

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

Average temperature in December - Nederland, CO
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (30°F).

  • Average low temperature in December: 13.8°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).

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Average pressure in December
Nederland, CO

Average pressure in December - Nederland, CO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).

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Average wind speed in December
Nederland, CO

Average wind speed in December - Nederland, CO
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in December
Nederland, CO

Average humidity in December - Nederland, CO
  • Average humidity in December: 71%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is June (48%).

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Average rainfall in December
Nederland, CO

Average rainfall in December - Nederland, CO
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in December
Nederland, CO

Average rainfall days in December - Nederland, CO
  • Average rainfall days in December: 4.8 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (2.6 days).

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Average snowfall in December
Nederland, CO

Average snowfall in December - Nederland, CO
  • Average snowfall in December: 6.42"

The month with the highest snowfall is April (16.54").
The month with the least snowfall is July (0").

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Average snowfall days in December
Nederland, CO

Average snowfall days in December - Nederland, CO
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is March (14.5 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in December / Average sunshine in December - Nederland, 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 2min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days in December
Nederland, CO

Average sunshine days in December - Nederland, CO
  • Average sunshine days in December: 18 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
Nederland, CO

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

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

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Average cloud cover in December
Nederland, CO

Average cloud cover in December - Nederland, CO
  • Average cloud cover in December: 31

The month with the most cloud cover is May (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 20).

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Average visibility in December
Nederland, CO

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

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