December weather forecast
Bloomsburg, PA

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Weather in December

The first month of the winter, December, is still a cold month in Bloomsburg, Pennsylvania, with an average temperature fluctuating between 27.5°F (-2.5°C) and 38.3°F (3.5°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a chilly 48.2°F (9°C) to a wintry 38.3°F (3.5°C). An average low-temperature of 27.5°F (-2.5°C) marks the nights in Bloomsburg throughout December.

Humidity

The average relative humidity in December in Bloomsburg is 81%.

Rainfall

In Bloomsburg, in December, it is raining for 11.5 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 155.9 rainfall days, and 30.04" (763mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Bloomsburg, Pennsylvania, in December, during 8.4 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Bloomsburg, during the entire year, snow falls for 42.7 days and aggregates up to 20.67" (525mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Bloomsburg.
On the first day of December in Bloomsburg, sunrise is at 7:11 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:47 pm EST.

Sunshine

In Bloomsburg, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index in Bloomsburg are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is it in Bloomsburg in December?

The average high-temperature, in December, in Bloomsburg, is 38.3°F (3.5°C), while the average low-temperature is 27.5°F (-2.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 87.8°F (31°C).

What is the average humidity in December in Bloomsburg?

In Bloomsburg, the average relative humidity in December is 81%.

How many days does it rain in December in Bloomsburg?

In December, the rain falls for 11.5 days. Throughout December, 2.44" (62mm) of precipitation is accumulated.

How many days does it snow in December in Bloomsburg?

In Bloomsburg, during December, snow falls for 8.4 days and regularly aggregates up to 3.31" (84mm) of snow.

What is the month with the shortest days in Bloomsburg?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Bloomsburg.

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

In Bloomsburg, Pennsylvania, the average day length in December is 9h and 17min.

When is the sunrise / sunset in December in Bloomsburg?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:38 pm. On the last day of the month, in Bloomsburg, sunrise is at 7:30 am and sunset at 4:47 pm EST.

How long on average sun shines in December in Bloomsburg?

In December, the average sunshine duration in Bloomsburg, Pennsylvania, is 4.1h.

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

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

How high is the UV index in December in Bloomsburg?

In December, the average daily maximum UV index in Bloomsburg is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average high temperature
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
Bloomsburg, PA

Average temperature in December - Bloomsburg, PA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
Bloomsburg, PA

Average pressure in December - Bloomsburg, PA
  • Average pressure in December: 30.09"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
Bloomsburg, PA

Average wind speed in December - Bloomsburg, PA
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Bloomsburg, PA

Average humidity in December - Bloomsburg, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are March and April (77%).

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Average rainfall in December
Bloomsburg, PA

Average rainfall in December - Bloomsburg, PA
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is April (3.03").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Bloomsburg, PA

Average rainfall days in December - Bloomsburg, PA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in December
Bloomsburg, PA

Average snowfall in December - Bloomsburg, PA
  • Average snowfall in December: 3.31"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Bloomsburg, PA

Average snowfall days in December - Bloomsburg, PA
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (11.6 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
Bloomsburg, PA

Average daylight in December / Average sunshine in December - Bloomsburg, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

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Average sunshine days in December
Bloomsburg, PA

Average sunshine days in December - Bloomsburg, PA
  • Average sunshine days in December: 14 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in December
Bloomsburg, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
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
Bloomsburg, PA

Average cloud cover in December - Bloomsburg, PA
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in December
Bloomsburg, PA

Average visibility in December - Bloomsburg, PA
  • Average visibility in December: 5mi

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

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Bloomsburg, Pennsylvania, USA

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