December weather forecast
Flagler, CO

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Weather in December

The first month of the winter, December, is also a wintry month in Flagler, Colorado, with an average temperature ranging between max 39°F (3.9°C) and min 22.3°F (-5.4°C).

Temperature

With average temperatures fluctuating between a high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C), December stands out as the coldest month.

Humidity

The average relative humidity in December is 60%.

Rainfall

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

Snowfall

Months with snowfall in Flagler are January through May, September through December. In December, it is snowing for 3.5 days. Throughout December, 0.75" (19mm) of snow is accumulated. In Flagler, 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 in Flagler.
On the first day of December in Flagler, sunrise is at 6:53 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:39 pm MST.

Sunshine

In Flagler, 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 in Flagler. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What time of the year is the coldest in Flagler?

Flagler's coldest month, December, registers temperatures that range from a high of 39°F (3.9°C) to a low of 22.3°F (-5.4°C).

Is it cold in Flagler during December?

The high-temperature, in December, in Flagler, records 39°F (3.9°C), while the low-temperature is 22.3°F (-5.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 84.2°F (29°C).

What is the average humidity in December in Flagler?

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

What is the driest month in Flagler?

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 Flagler in December?

In Flagler, 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 Flagler?

In Flagler, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated.

What is the month with the shortest days in Flagler?

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

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

The average day length in December in Flagler is 9h and 28min.

When is the sunrise / sunset in December in Flagler?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:39 pm MST.

How long on average sun shines in December in Flagler?

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

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

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

What is the UV index reading in December in Flagler?

In Flagler, Colorado, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Flagler, CO

Average temperature in December - Flagler, 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
Flagler, CO

Average pressure in December - Flagler, 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
Flagler, CO

Average wind speed in December - Flagler, 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
Flagler, CO

Average humidity in December - Flagler, 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
Flagler, CO

Average rainfall in December - Flagler, 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
Flagler, CO

Average rainfall days in December - Flagler, 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
Flagler, CO

Average snowfall in December - Flagler, 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
Flagler, CO

Average snowfall days in December - Flagler, 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
Flagler, CO

Average daylight in December / Average sunshine in December - Flagler, 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
Flagler, CO

Average sunshine days in December - Flagler, 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
Flagler, CO

Average UV index in December - Flagler, 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
Flagler, CO

Average cloud cover in December - Flagler, 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
Flagler, CO

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

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