December weather forecast
Franktown, CO

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Weather in December

December, the first month of the winter in Franktown, is still a cold month, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 38.8°F (3.8°C).

Temperature

December, marked by an average high-temperature of 38.8°F (3.8°C) and a low-temperature of 20.5°F (-6.4°C), is the coldest month.

Humidity

The average relative humidity in December is 61%.

Rainfall

December is the month with the least rainfall in Franktown. Rain falls for 4.7 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In December, it is snowing for 7.5 days. Throughout December, 2.83" (72mm) of snow is accumulated. Throughout the year, there are 53.7 snowfall days, and 35.51" (902mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:00 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:45 pm MST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

The coldest period in Franktown is December, when temperatures fluctuate between an average high of 38.8°F (3.8°C) and a low of 20.5°F (-6.4°C).

How cold is it in December?

An average high-temperature, in December, in Franktown, is 38.8°F (3.8°C) and the average low-temperature is 20.5°F (-6.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 82.4°F (28°C).

What is the average humidity in December?

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

What is the driest month?

The month with the least rainfall is December, when the rain falls for 4.7 days and typically collects 0.47" (12mm) of precipitation.

How much does it rain in December?

In Franktown, in December, it is raining for 4.7 days, with typically 0.47" (12mm) of accumulated precipitation.

How much does it snow in December?

In Franktown, during December, snow falls for 7.5 days and regularly aggregates up to 2.83" (72mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Franktown have in December?

In December, the average day length is 9h and 27min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:45 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 6.8h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Franktown, CO

Average temperature in December - Franktown, CO
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is December (38.8°F).

  • Average low temperature in December: 20.5°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (20.5°F).

Average pressure in December
Franktown, CO

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are April and June (29.9"Hg).

Average wind speed in December
Franktown, CO

Average wind speed in December - Franktown, CO
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in December
Franktown, CO

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

The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is September (45%).

Average rainfall in December
Franktown, CO

Average rainfall in December - Franktown, CO
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the least rainfall) is December (0.47").

Average rainfall days in December
Franktown, CO

Average rainfall days in December - Franktown, CO
  • Average rainfall days in December: 4.7 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in December
Franktown, CO

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

The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Franktown, CO

Average snowfall days in December - Franktown, CO
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Franktown, CO
  • Average daylight in December: 9h and 2min

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 24min).

  • 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).

Average sunshine days in December
Franktown, CO

Average sunshine days in December - Franktown, CO
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in December
Franktown, CO

Average UV index in December - Franktown, CO
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Franktown, CO

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

The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June and September (Cloud cover 17).

Average visibility in December
Franktown, CO

Average visibility in December - Franktown, 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).

Franktown, Colorado, USA

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