December weather forecast
Pinneo, CO

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Weather in December

The first month of the winter, December, is still a cold month in Pinneo, Colorado, with temperature in the range of an average low of 23.2°F (-4.9°C) and an average high of 38.5°F (3.6°C).

Temperature

The coldest time of the year is December, with temperatures averaging a high of 38.5°F (3.6°C) and a low of 23.2°F (-4.9°C).

Humidity

The average relative humidity in December in Pinneo is 63%.

Rainfall

In Pinneo, during December, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Pinneo, there are 106.1 rainfall days, and 13.66" (347mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Pinneo. In Pinneo, in December, snow falls for 6.4 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, in Pinneo, there are 36.1 snowfall days, and 14.13" (359mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Pinneo.
On the first day of December, sunrise is at 6:57 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:38 pm MST.

Sunshine

The average sunshine in December in Pinneo is 6.5h.

UV index

The months with the lowest UV index in Pinneo are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What part of the year is the coldest in Pinneo?

In Pinneo, December records the average lowest temperatures, peaking at 38.5°F (3.6°C) and reaching a low of 23.2°F (-4.9°C).

Is December cold in Pinneo?

Pinneo in December has an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 23.2°F (-4.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 87.8°F (31°C).

What is the average humidity in December in Pinneo?

The average relative humidity in December in Pinneo is 63%.

How many days does it rain in December in Pinneo?

In Pinneo, during December, the rain falls for 4 days and regularly aggregates up to 0.43" (11mm) of precipitation.

How many days does it snow in December in Pinneo?

In Pinneo, Colorado, in December, snow falls for 6.4 days, with typically accumulated 1.81" (46mm) of snow.

What is the month with the shortest days in Pinneo?

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

How many hours of daylight does Pinneo have in December?

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

When are sunrise and sunset in December in Pinneo?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:38 pm MST.

How long on average sun shines in December in Pinneo?

In Pinneo, Colorado, the average sunshine duration in December is 6.5h.

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

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Pinneo?

In December, the average daily maximum UV index in Pinneo, Colorado, is 2. A UV Index reading of 2, and below, represents a low health risk 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
Pinneo, CO

Average temperature in December - Pinneo, CO
  • Average high temperature in December: 38.5°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 (38.5°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure in December
Pinneo, CO

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

The months with the highest atmospheric pressure are January and December (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Pinneo, CO

Average wind speed in December - Pinneo, CO
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (9.4mph).

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Average humidity in December
Pinneo, CO

Average humidity in December - Pinneo, CO
  • Average humidity in December: 63%

The months with the highest relative humidity are January and February (64%).
The months with the lowest relative humidity are August and September (47%).

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Average rainfall in December
Pinneo, CO

Average rainfall in December - Pinneo, CO
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
Pinneo, CO

Average rainfall days in December - Pinneo, CO
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in December
Pinneo, CO

Average snowfall in December - Pinneo, CO
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Pinneo, CO

Average snowfall days in December - Pinneo, CO
  • Average snowfall days in December: 6.4 days

The month with the highest number of snowfall days is February (7.9 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
Pinneo, CO

Average daylight in December / Average sunshine in December - Pinneo, 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 3min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in December
Pinneo, CO

Average sunshine days in December - Pinneo, CO
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in December
Pinneo, CO

Average UV index in December - Pinneo, 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).

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Average cloud cover in December
Pinneo, CO

Average cloud cover in December - Pinneo, CO
  • Average cloud cover in December: 28

The month with the most cloud cover is February (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 17).

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Average visibility in December
Pinneo, CO

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

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