December weather forecast
Boyero, CO

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Weather in December

December, the first month of the winter in Boyero, is still a cold month, with an average temperature varying between 39°F (3.9°C) and 22.3°F (-5.4°C).

Temperature

In Boyero, December is the month with the lowest recorded average temperatures, measuring a high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C).

Humidity

In Boyero, the average relative humidity in December is 60%.

Rainfall

The month with the least rainfall in Boyero is December, when the rain falls for 2.5 days and typically collects 0.2" (5mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Boyero. In Boyero, Colorado, during December, snow falls for 3.5 days and regularly aggregates up to 0.75" (19mm) of snow. In Boyero, Colorado, during the entire year, snow falls for 26.7 days and aggregates up to 9.02" (229mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Boyero, sunrise is at 6:53 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:41 pm MST.

Sunshine

In Boyero, the average sunshine in December is 6.8h.

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 minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the coldest time of year in Boyero?

December, having an average high-temperature of 39°F (3.9°C) and an average low-temperature of 22.3°F (-5.4°C), is the coldest month in Boyero, Colorado.

How cold does it get in Boyero in December?

In December, the average high-temperature and low-temperature in Boyero, Colorado, are 39°F (3.9°C) and 22.3°F (-5.4°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 84.2°F (29°C).

What is the average humidity in December in Boyero?

In Boyero, Colorado, the average relative humidity in December is 60%.

What is the driest month in Boyero?

December is the month with the least rainfall. Rain falls for 2.5 days and accumulates 0.2" (5mm) of precipitation.

How much does it rain in Boyero in December?

In Boyero, in December, it is raining for 2.5 days, with typically 0.2" (5mm) of accumulated precipitation.

How many days does it snow in December in Boyero?

In Boyero, during December, snow falls for 3.5 days and regularly aggregates up to 0.75" (19mm) of snow.

What is the month with the shortest days in Boyero?

The month with the shortest days in Boyero is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Boyero have in December?

In December, the average day length in Boyero, Colorado, is 9h and 29min.

When is the sunrise / sunset in December in Boyero?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:31 pm. On the last day of the month, in Boyero, Colorado, sunrise is at 7:11 am and sunset at 4:41 pm MST.

How many hours of sunshine does Boyero have in December?

The average sunshine duration in December in Boyero, Colorado, is 6.8h.

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

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

What is the UV index intensity in December in Boyero?

In December, the average daily maximum UV index in Boyero, Colorado, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Boyero, CO

Average temperature in December - Boyero, CO
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in December: 22.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

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Average pressure in December
Boyero, CO

Average pressure in December - Boyero, CO
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Boyero, CO

Average wind speed in December - Boyero, CO
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in December
Boyero, CO

Average humidity in December - Boyero, CO
  • Average humidity in December: 60%

The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).

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Average rainfall in December
Boyero, CO

Average rainfall in December - Boyero, CO
  • Average rainfall in December: 0.2"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").

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Average rainfall days in December
Boyero, CO

Average rainfall days in December - Boyero, CO
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).

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Average snowfall in December
Boyero, CO

Average snowfall in December - Boyero, CO
  • Average snowfall in December: 0.75"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Boyero, CO

Average snowfall days in December - Boyero, CO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (6.1 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
Boyero, CO

Average daylight in December / Average sunshine in December - Boyero, CO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 6h and 5min

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

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Average sunshine days in December
Boyero, CO

Average sunshine days in December - Boyero, CO
  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in December
Boyero, CO

Average UV index in December - Boyero, 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
Boyero, CO

Average cloud cover in December - Boyero, CO
  • Average cloud cover in December: 25

The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).

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Average visibility in December
Boyero, CO

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

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