December weather forecast
Manassa, CO

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Weather in December

December, the first month of the winter in Manassa, is still a cold month, with temperature in the range of an average low of 15.4°F (-9.2°C) and an average high of 33.8°F (1°C).

Temperature

The onset of December introduces a moderate change in Manassa's weather, with average high-temperatures falling from November's chilly 46.2°F (7.9°C) to a wintry 33.8°F (1°C). Nighttime temperatures in December average to a subzero cold 15.4°F (-9.2°C).

Humidity

The average relative humidity in December in Manassa is 72%.

Rainfall

The months with the least rainfall in Manassa are November and December Rain falls for 6.1 days and accumulates 0.39" (10mm) of rain.

Snowfall

Months with snowfall in Manassa are January through May, September through December. In Manassa, Colorado, in December, during 8.5 snowfall days, 3.19" (81mm) of snow is typically accumulated. Throughout the year, in Manassa, there are 44.9 snowfall days, and 22.6" (574mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Manassa.
On the first day of December in Manassa, Colorado, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm MST.

Sunshine

The average sunshine in December is 7h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Manassa. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Manassa?

The high-temperature, in December, in Manassa, records 33.8°F (1°C), while the low-temperature is 15.4°F (-9.2°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Manassa?

In December, the average relative humidity in Manassa is 72%.

What is the driest month in Manassa?

November and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 0.39" (10mm) of rain.

How many days does it rain in December in Manassa?

In Manassa, Colorado, during December, the rain falls for 6.1 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How many days does it snow in December in Manassa?

In December, it is snowing for 8.5 days. Throughout December, 3.19" (81mm) of snow is accumulated.

What is the month with the shortest days in Manassa?

The month with the shortest days in Manassa is December, with an average of 9h and 42min of daylight.

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

In December, the average day length in Manassa, Colorado, is 9h and 40min.

What time are sunrise and sunset in December in Manassa?

On the first day of December in Manassa, Colorado, sunrise is at 6:59 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm MST.

How many hours of sunshine does Manassa have in December?

The average sunshine duration in December in Manassa is 7h.

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

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

What is the UV index intensity in December in Manassa?

The average daily maximum UV index in December in Manassa is 2. A UV Index estimate 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
Manassa, CO

Average temperature in December - Manassa, CO
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure in December
Manassa, CO

Average pressure in December - Manassa, CO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Manassa, CO

Average wind speed in December - Manassa, CO
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Manassa, CO

Average humidity in December - Manassa, CO
  • Average humidity in December: 72%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (37%).

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Average rainfall in December
Manassa, CO

Average rainfall in December - Manassa, CO
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (1.02").
The driest months (with the least rainfall) are November and December (0.39").

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Average rainfall days in December
Manassa, CO

Average rainfall days in December - Manassa, CO
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is November (3 days).

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Average snowfall in December
Manassa, CO

Average snowfall in December - Manassa, CO
  • Average snowfall in December: 3.19"

The month with the highest snowfall is March (3.98").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Manassa, CO

Average snowfall days in December - Manassa, CO
  • Average snowfall days in December: 8.5 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).

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

Average daylight in December / Average sunshine in December - Manassa, 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 42min).

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

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Average sunshine days in December
Manassa, CO

Average sunshine days in December - Manassa, CO
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is April (16.9 days).

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Average UV index in December
Manassa, CO

Average UV index in December - Manassa, 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
Manassa, CO

Average cloud cover in December - Manassa, CO
  • Average cloud cover in December: 22

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June, September, October and November (Cloud cover 12).

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Average visibility in December
Manassa, CO

Average visibility in December - Manassa, CO
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Manassa, Colorado, USA

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