December weather forecast
Pleasant Mount, PA

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Weather in December

The first month of the winter, December, is also an icy month in Pleasant Mount, Pennsylvania, with an average temperature fluctuating between 34.7°F (1.5°C) and 24.4°F (-4.2°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 44.2°F (6.8°C) to a cold 34.7°F (1.5°C). Pleasant Mount, in December, witnesses an average low-temperature of 24.4°F (-4.2°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Pleasant Mount, Pennsylvania, in December, it is raining for 10.7 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Pleasant Mount, there are 152.2 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Pleasant Mount are January through May, October through December. In December, it is snowing for 13.7 days. Throughout December, 5.43" (138mm) of snow is accumulated. Throughout the year, there are 71.7 snowfall days, and 26.81" (681mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:10 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:41 pm EST.

Sunshine

February and December, with an average of 3.2h of sunshine, are months with the least sunshine in Pleasant Mount.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Pleasant Mount, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December?

In December, the rain falls for 10.7 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 13.7 days. Throughout December, 5.43" (138mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In Pleasant Mount, the average day length in December is 9h and 13min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:41 pm EST.

What are the months with the least sunshine?

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

How many hours of sunshine does Pleasant Mount have in December?

The average sunshine duration in December is 3.2h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

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

Average temperature in December - Pleasant Mount, PA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Pleasant Mount, PA

Average pressure in December - Pleasant Mount, PA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Pleasant Mount, PA

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

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Pleasant Mount, PA

Average humidity in December - Pleasant Mount, 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
Pleasant Mount, PA

Average rainfall in December - Pleasant Mount, PA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days in December
Pleasant Mount, PA

Average rainfall days in December - Pleasant Mount, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in December
Pleasant Mount, PA

Average snowfall in December - Pleasant Mount, PA
  • Average snowfall in December: 5.43"

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

Average snowfall days in December
Pleasant Mount, PA

Average snowfall days in December - Pleasant Mount, PA
  • Average snowfall days in December: 13.7 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Pleasant Mount, PA

Average daylight in December / Average sunshine in December - Pleasant Mount, 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 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Pleasant Mount, PA

Average sunshine days in December - Pleasant Mount, PA
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in December
Pleasant Mount, PA

Average UV index in December - Pleasant Mount, 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
Pleasant Mount, PA

Average cloud cover in December - Pleasant Mount, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Pleasant Mount, PA

Average visibility in December - Pleasant Mount, 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).

Pleasant Mount, Pennsylvania, USA

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