December weather forecast
Florence, CO

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Weather in December

The first month of the winter, December, is still a cold month in Florence, Colorado, with an average temperature fluctuating between 18.5°F (-7.5°C) and 38.3°F (3.5°C).

Temperature

A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 48.4°F (9.1°C) in November to a cold 38.3°F (3.5°C). An average low-temperature of 18.5°F (-7.5°C) is recorded in the month of December.

Humidity

In Florence, Colorado, the average relative humidity in December is 65%.

Rainfall

In Florence, Colorado, in December, it is raining for 4 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Florence, there are 108.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Florence. In December, in Florence, Colorado, it is snowing for 5.5 days. Throughout December, 2.6" (66mm) of snow is accumulated. Throughout the year, in Florence, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:50 pm MST.

Sunshine

The average sunshine in December is 7.2h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

Is December cold in Florence?

In December, the average high-temperature and low-temperature in Florence, Colorado, are 38.3°F (3.5°C) and 18.5°F (-7.5°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Florence?

In Florence, the average relative humidity in December is 65%.

How much does it rain in Florence in December?

In December, the rain falls for 4 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

How many days does it snow in December in Florence?

In Florence, Colorado, during December, snow falls for 5.5 days and regularly aggregates up to 2.6" (66mm) of snow.

What is the month with the shortest days in Florence?

December has the shortest days of the year in Florence, Colorado, with an average of 9h and 30min of daylight.

How many hours of daylight does Florence have in December?

The average day length in December in Florence, Colorado, is 9h and 32min.

When are sunrise and sunset in December in Florence?

On the first day of December in Florence, Colorado, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:50 pm MST.

How many hours of sunshine does Florence have in December?

In December, the average sunshine duration in Florence is 7.2h.

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

The months with the lowest UV index in Florence are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Florence?

In December, the average daily maximum UV index in Florence is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Florence, CO

Average temperature in December - Florence, CO
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in December
Florence, CO

Average pressure in December - Florence, CO
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).

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Average wind speed in December
Florence, CO

Average wind speed in December - Florence, CO
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Florence, CO

Average humidity in December - Florence, CO
  • Average humidity in December: 65%

The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).

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Average rainfall in December
Florence, CO

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

The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").

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Average rainfall days in December
Florence, CO

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

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in December
Florence, CO

Average snowfall in December - Florence, CO
  • Average snowfall in December: 2.6"

The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Florence, CO

Average snowfall days in December - Florence, CO
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).

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Average sunshine days in December
Florence, CO

Average sunshine days in December - Florence, CO
  • Average sunshine days in December: 23.8 days

The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).

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Average UV index in December
Florence, CO

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Florence, CO

Average cloud cover in December - Florence, CO
  • Average cloud cover in December: 20

The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).

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Average visibility in December
Florence, CO

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

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