December weather forecast
Blossburg, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Blossburg, Pennsylvania, with an average temperature fluctuating between 25.2°F (-3.8°C) and 34.5°F (1.4°C).

Temperature

As November transitions into December, Blossburg sees a drop in the average high-temperature, transitioning from a chilly 43.9°F (6.6°C) to a wintry 34.5°F (1.4°C). Blossburg experiences a steady low-temperature of 25.2°F (-3.8°C) throughout December.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Blossburg, in December, it is raining for 8.9 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 156.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Blossburg, in December, snow falls for 11.8 days, with typically accumulated 5.71" (145mm) of snow. Throughout the year, there are 63.2 snowfall days, and 33.23" (844mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:16 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:48 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.2h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Blossburg, is 34.5°F (1.4°C), while the average low-temperature is 25.2°F (-3.8°C).

What is the average humidity in December?

In Blossburg, the average relative humidity in December is 85%.

How much does it rain in December?

In Blossburg, in December, during 8.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 11.8 days. Throughout December, 5.71" (145mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Blossburg have in December?

The average day length in December is 9h and 13min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:48 pm EST.

What is the month with the least sunshine?

January and December, with an average of 3.2h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 3.2h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Blossburg, PA

Average temperature in December - Blossburg, PA
  • Average high temperature in December: 34.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in December
Blossburg, PA

Average pressure in December - Blossburg, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Blossburg, PA

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

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Blossburg, PA

Average humidity in December - Blossburg, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

Average rainfall in December
Blossburg, PA

Average rainfall in December - Blossburg, PA
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in December
Blossburg, PA

Average rainfall days in December - Blossburg, PA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in December
Blossburg, PA

Average snowfall in December - Blossburg, PA
  • Average snowfall in December: 5.71"

The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Blossburg, PA

Average snowfall days in December - Blossburg, PA
  • Average snowfall days in December: 11.8 days

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Blossburg, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Blossburg, PA

Average sunshine days in December - Blossburg, PA
  • Average sunshine days in December: 13.6 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in December
Blossburg, PA

Average UV index in December - Blossburg, PA
  • Average UV index in December: 1

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 and December (UV index 1).

Average cloud cover in December
Blossburg, PA

Average cloud cover in December - Blossburg, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Blossburg, PA

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

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

Blossburg, Pennsylvania, USA

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