December weather forecast
Dacono, CO

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Weather in December

December, the first month of the winter in Dacono, is also a wintry month, with an average temperature varying between 40.8°F (4.9°C) and 21°F (-6.1°C).

Temperature

December stands out as Dacono's coldest month, with temperatures ranging between an average high of 40.8°F (4.9°C) and a low of 21°F (-6.1°C).

Humidity

In Dacono, the average relative humidity in December is 61%.

Rainfall

The months with the least rainfall in Dacono are January and December Rain falls for 3 days and accumulates 0.35" (9mm) of rain.

Snowfall

Months with snowfall in Dacono are January through May, October through December. In Dacono, Colorado, in December, during 5.9 snowfall days, 2.83" (72mm) of snow is typically accumulated. Throughout the year, in Dacono, there are 38.2 snowfall days, and 27.44" (697mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of December, in Dacono, sunrise is at 7:21 am and sunset at 4:44 pm MST.

Sunshine

In Dacono, 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
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 Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What are the coldest months in Dacono?

December, with an average high of 40.8°F (4.9°C) and a low of 21°F (-6.1°C), signifies the coldest month of the year.

How cold is it in Dacono in December?

The high-temperature, in December, in Dacono, is 40.8°F (4.9°C), while the low-temperature averages to 21°F (-6.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Dacono?

The average relative humidity in December is 61%.

What is the driest month in Dacono?

January and December are months with the least rain in Dacono when the rain falls for 3 days and typically aggregates up to 0.35" (9mm) of rain.

How many days does it rain in December in Dacono?

In Dacono, Colorado, in December, during 3 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How much does it snow in Dacono in December?

In Dacono, Colorado, in December, snow falls for 5.9 days, with typically accumulated 2.83" (72mm) of snow.

What is the month with the shortest days in Dacono?

The month with the shortest days in Dacono, Colorado, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Dacono have in December?

In December, the average day length in Dacono is 9h and 23min.

When are sunrise and sunset in December in Dacono?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, in Dacono, sunrise is at 7:21 am and sunset at 4:44 pm MST.

How many hours of sunshine does Dacono have in December?

In Dacono, the average sunshine duration in December is 6.8h.

When is the lowest UV index in Dacono?

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

What is the UV index reading in December in Dacono?

In Dacono, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Dacono, CO

Average temperature in December - Dacono, CO
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in December
Dacono, CO

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Dacono, CO

Average wind speed in December - Dacono, CO
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is December (5.7mph).

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Average humidity in December
Dacono, CO

Average humidity in December - Dacono, CO
  • Average humidity in December: 61%

The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Dacono, CO

Average rainfall in December - Dacono, CO
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.69").
The driest months (with the least rainfall) are January and December (0.35").

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Average rainfall days in December
Dacono, CO

Average rainfall days in December - Dacono, CO
  • Average rainfall days in December: 3 days

The months with the highest number of rainy days are May and July (12.3 days).
The months with the least rainy days are January and December (3 days).

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Average snowfall in December
Dacono, CO

Average snowfall in December - Dacono, CO
  • Average snowfall in December: 2.83"

The month with the highest snowfall is April (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Dacono, CO

Average snowfall days in December - Dacono, CO
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is February (7.8 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
Dacono, CO

Average daylight in December / Average sunshine in December - Dacono, 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 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in December
Dacono, CO

Average sunshine days in December - Dacono, CO
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in December
Dacono, CO

Average UV index in December - Dacono, 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
Dacono, CO

Average cloud cover in December - Dacono, CO
  • Average cloud cover in December: 24

The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 15).

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Average visibility in December
Dacono, CO

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

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