December weather forecast
Bessemer Junction, PA

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Weather in December

December, the first month of the winter in Bessemer Junction, is also a wintry month, with an average temperature fluctuating between 28.2°F (-2.1°C) and 39.4°F (4.1°C).

Temperature

In Bessemer Junction, entering December brings a temperature decrement, reducing from November's frosty 49.1°F (9.5°C) to an icy 39.4°F (4.1°C). The temperature dips to an average of 28.2°F (-2.1°C) during December nights.

Humidity

In Bessemer Junction, Pennsylvania, the average relative humidity in December is 84%.

Rainfall

In Bessemer Junction, during December, the rain falls for 9.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Bessemer Junction, during the entire year, the rain falls for 151 days and collects up to 20.39" (518mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Bessemer Junction, in December, during 6.2 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Bessemer Junction, there are 35.4 snowfall days, and 10.35" (263mm) 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 December in Bessemer Junction, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:03 pm EST.

Sunshine

In Bessemer Junction, the average sunshine in December is 3.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Bessemer Junction. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Bessemer Junction?

In December, the average high-temperature and low-temperature in Bessemer Junction are 39.4°F (4.1°C) and 28.2°F (-2.1°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 87.8°F (31°C).

What is the average humidity in December in Bessemer Junction?

The average relative humidity in December in Bessemer Junction is 84%.

How many days does it rain in December in Bessemer Junction?

In December, in Bessemer Junction, Pennsylvania, the rain falls for 9.3 days. Throughout December, 1.54" (39mm) of precipitation is accumulated.

How many days does it snow in December in Bessemer Junction?

In Bessemer Junction, Pennsylvania, in December, during 6.2 snowfall days, 1.81" (46mm) of snow is typically accumulated.

What is the month with the shortest days in Bessemer Junction?

The month with the shortest days in Bessemer Junction, Pennsylvania, is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Bessemer Junction have in December?

The average day length in December in Bessemer Junction, Pennsylvania, is 9h and 21min.

What time are sunrise and sunset in December in Bessemer Junction?

On the first day of December, sunrise is at 7:23 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:03 pm EST.

How long on average sun shines in December in Bessemer Junction?

In Bessemer Junction, Pennsylvania, the average sunshine duration in December is 3.3h.

When is the lowest UV index in Bessemer Junction?

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

What is the UV index reading in December in Bessemer Junction?

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

Average temperature in December - Bessemer Junction, PA
  • Average high temperature in December: 39.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Bessemer Junction, PA

Average pressure in December - Bessemer Junction, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Bessemer Junction, PA

Average wind speed in December - Bessemer Junction, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Bessemer Junction, PA

Average humidity in December - Bessemer Junction, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

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Average rainfall in December
Bessemer Junction, PA

Average rainfall in December - Bessemer Junction, PA
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").

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Average rainfall days in December
Bessemer Junction, PA

Average rainfall days in December - Bessemer Junction, PA
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in December
Bessemer Junction, PA

Average snowfall in December - Bessemer Junction, PA
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Bessemer Junction, PA

Average snowfall days in December - Bessemer Junction, PA
  • Average snowfall days in December: 6.2 days

The month with the highest number of snowfall days is January (9.7 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
Bessemer Junction, PA

Average daylight in December / Average sunshine in December - Bessemer Junction, 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 18min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in December
Bessemer Junction, PA

Average sunshine days in December - Bessemer Junction, PA
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in December
Bessemer Junction, PA

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Bessemer Junction, PA

Average cloud cover in December - Bessemer Junction, PA
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Bessemer Junction, PA

Average visibility in December - Bessemer Junction, PA
  • Average visibility in December: 5mi

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

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Bessemer Junction, Pennsylvania, USA

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