December weather forecast
Denver, PA

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Weather in December

December, the first month of the winter in Denver, is also an icy month, with temperature in the range of an average high of 41.2°F (5.1°C) and an average low of 29.8°F (-1.2°C).

Temperature

In December, the meteorological conditions alter, with the average high-temperature shifting from a cool 50.4°F (10.2°C) in November to a cold 41.2°F (5.1°C). An average temperature of 29.8°F (-1.2°C) marks the nights in Denver in December.

Humidity

The average relative humidity in December in Denver is 80%.

Rainfall

In Denver, in December, during 8.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Denver, there are 127.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Denver are January through March, May, November and December. In Denver, during December, snow falls for 3 days and regularly aggregates up to 0.43" (11mm) of snow. In Denver, during the entire year, snow falls for 18.5 days and aggregates up to 3.86" (98mm) of snow.

Daylight

December has the shortest days of the year in Denver, Pennsylvania, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:48 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

January through March, November and 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 minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is it in Denver in December?

The high-temperature, in December, in Denver, records 41.2°F (5.1°C), while the low-temperature is 29.8°F (-1.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Denver?

The average relative humidity in December in Denver, Pennsylvania, is 80%.

How much does it rain in Denver in December?

In Denver, Pennsylvania, during December, the rain falls for 8.6 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in December in Denver?

In Denver, in December, during 3 snowfall days, 0.43" (11mm) of snow is typically accumulated.

What is the month with the shortest days in Denver?

December has the shortest days of the year in Denver, Pennsylvania, with an average of 9h and 24min of daylight.

How many hours of daylight does Denver have in December?

In December, the average day length in Denver, Pennsylvania, is 9h and 22min.

When are sunrise and sunset in December in Denver?

On the first day of December in Denver, sunrise is at 7:08 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:48 pm EST.

How many hours of sunshine does Denver have in December?

In December, the average sunshine duration in Denver is 4.8h.

When is the lowest UV index in Denver?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Denver.

How high is the UV index in December in Denver?

In Denver, Pennsylvania, the average daily maximum UV index in December is 2. A UV Index value 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
Denver, PA

Average temperature in December - Denver, PA
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 29.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Denver, PA

Average pressure in December - Denver, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Denver, PA

Average wind speed in December - Denver, PA
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Denver, PA

Average humidity in December - Denver, PA
  • Average humidity in December: 80%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Denver, PA

Average rainfall in December - Denver, PA
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in December
Denver, PA

Average rainfall days in December - Denver, PA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in December
Denver, PA

Average snowfall in December - Denver, PA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in December
Denver, PA

Average snowfall days in December - Denver, PA
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Denver, PA

Average daylight in December / Average sunshine in December - Denver, PA
  • 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Denver, PA

Average sunshine days in December - Denver, PA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in December
Denver, PA

Average UV index in December - Denver, PA
  • Average UV index in December: 2

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

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Average cloud cover in December
Denver, PA

Average cloud cover in December - Denver, PA
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Denver, PA

Average visibility in December - Denver, PA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).

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Denver, Pennsylvania, USA

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