December weather forecast
Bessemer, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Bessemer, Pennsylvania, with an average temperature fluctuating between 26.4°F (-3.1°C) and 38.1°F (3.4°C).

Temperature

The start of December involves a temperature drop, moving from a chilly 47.7°F (8.7°C) in November to a cold 38.1°F (3.4°C). During the nights in December, the temperature averages to a subzero cold 26.4°F (-3.1°C).

Humidity

The average relative humidity in December is 86%.

Rainfall

In December, the rain falls for 12 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 177.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Bessemer, during December, snow falls for 14.3 days and regularly aggregates up to 4.69" (119mm) of snow. Throughout the year, in Bessemer, there are 68.2 snowfall days, and 25.2" (640mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:03 pm EST.

Sunshine

In Bessemer, the average sunshine in December is 3h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Bessemer in December?

Bessemer in December has an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 26.4°F (-3.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 86%.

How many days does it rain in December?

In December, the rain falls for 12 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in December?

In Bessemer, in December, during 14.3 snowfall days, 4.69" (119mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Bessemer have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:28 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:03 pm EST.

How many hours of sunshine does Bessemer have in December?

The average sunshine duration in December is 3h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

How high is the UV index in December in Bessemer?

In Bessemer, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat 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
Bessemer, PA

Average temperature in December - Bessemer, PA
  • Average high temperature in December: 38.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Bessemer, PA

Average pressure in December - Bessemer, PA
  • Average pressure in December: 30.1"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
Bessemer, PA

Average wind speed in December - Bessemer, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

Average humidity in December
Bessemer, PA

Average humidity in December - Bessemer, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).

Average rainfall in December
Bessemer, PA

Average rainfall in December - Bessemer, PA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Bessemer, PA

Average rainfall days in December - Bessemer, PA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Bessemer, PA

Average snowfall in December - Bessemer, PA
  • Average snowfall in December: 4.69"

The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Bessemer, PA

Average snowfall days in December - Bessemer, PA
  • Average snowfall days in December: 14.3 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bessemer, 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: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in December
Bessemer, PA

Average sunshine days in December - Bessemer, PA
  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7 days).

Average UV index in December
Bessemer, PA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Bessemer, PA

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

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Bessemer, PA

Average visibility in December - Bessemer, PA
  • Average visibility in December: 4mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).

Bessemer, Pennsylvania, USA

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