December weather forecast
Thompson, PA

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Weather in December

December, the first month of the winter in Thompson, is still a cold month, with an average temperature varying between 34.7°F (1.5°C) and 24.4°F (-4.2°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 44.2°F (6.8°C) in November to a cold 34.7°F (1.5°C). Thompson, 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 December, the rain falls for 10.7 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Thompson, during the entire year, the rain falls for 152.2 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Thompson, in December, during 13.7 snowfall days, 5.43" (138mm) of snow is typically accumulated. In Thompson, during the entire year, snow falls for 71.7 days and aggregates up to 26.81" (681mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of December, in Thompson, sunrise is at 7:29 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.

UV index

The months with the lowest UV index in Thompson are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Thompson experiences an average high-temperature of 34.7°F (1.5°C) and a low-temperature of 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 Thompson, during December, the rain falls for 10.7 days and regularly aggregates up to 1.73" (44mm) of precipitation.

How much does it snow in Thompson in December?

In Thompson, in December, snow falls for 13.7 days, with typically accumulated 5.43" (138mm) of snow.

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?

The average day length in December is 9h and 11min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:41 pm EST.

What is the month with the least sunshine?

February 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 are the months 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 intensity in December?

In Thompson, the average daily maximum UV index in December is 1. A UV Index estimate 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
Thompson, PA

Average temperature in December - Thompson, 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
Thompson, PA

Average pressure in December - Thompson, 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
Thompson, PA

Average wind speed in December - Thompson, 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
Thompson, PA

Average humidity in December - Thompson, 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
Thompson, PA

Average rainfall in December - Thompson, 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
Thompson, PA

Average rainfall days in December - Thompson, 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
Thompson, PA

Average snowfall in December - Thompson, 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
Thompson, PA

Average snowfall days in December - Thompson, 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
Thompson, PA

Average daylight in December / Average sunshine in December - Thompson, 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
Thompson, PA

Average sunshine days in December - Thompson, 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
Thompson, PA

Average UV index in December - Thompson, 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
Thompson, PA

Average cloud cover in December - Thompson, 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
Thompson, PA

Average visibility in December - Thompson, 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).

Thompson, Pennsylvania, USA

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