December weather forecast
Thompsontown, PA

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Weather in December

December, the first month of the winter in Thompsontown, is still a cold month, with an average temperature varying between 39.7°F (4.3°C) and 28.6°F (-1.9°C).

Temperature

Thompsontown's December weather features a mild decline in high-temperatures, reducing from a chilly 49.5°F (9.7°C) in November to a wintry 39.7°F (4.3°C). Thompsontown observes an average low-temperature of 28.6°F (-1.9°C) during December.

Humidity

The average relative humidity in December in Thompsontown is 80%.

Rainfall

In December, the rain falls for 10.6 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Thompsontown, there are 157.4 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Thompsontown are January through May, October through December. In December, in Thompsontown, Pennsylvania, it is snowing for 6 days. Throughout December, 1.73" (44mm) of snow is accumulated. In Thompsontown, during the entire year, snow falls for 32.9 days and aggregates up to 13.94" (354mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:13 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:52 pm EST.

Sunshine

In December, the average sunshine in Thompsontown is 4.3h.

UV index

The months with the lowest UV index in Thompsontown are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

Is December cold in Thompsontown?

The high-temperature in Thompsontown during December is 39.7°F (4.3°C) and the low-temperature is 28.6°F (-1.9°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in December in Thompsontown?

The average relative humidity in December is 80%.

How much does it rain in Thompsontown in December?

In Thompsontown, during December, the rain falls for 10.6 days and regularly aggregates up to 2.13" (54mm) of precipitation.

How much does it snow in Thompsontown in December?

In Thompsontown, during December, snow falls for 6 days and regularly aggregates up to 1.73" (44mm) of snow.

What is the month with the shortest days in Thompsontown?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Thompsontown, Pennsylvania.

What is the average length of the day in December in Thompsontown?

In Thompsontown, Pennsylvania, the average day length in December is 9h and 20min.

What time are sunrise and sunset in December in Thompsontown?

On the first day of December in Thompsontown, Pennsylvania, sunrise is at 7:13 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:52 pm EST.

How many hours of sunshine does Thompsontown have in December?

The average sunshine duration in December is 4.3h.

What is the month with the lowest UV index in Thompsontown?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Thompsontown.

How high is the UV index in December in Thompsontown?

In Thompsontown, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Thompsontown, PA

Average temperature in December - Thompsontown, PA
  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Thompsontown, PA

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

Average wind speed in December - Thompsontown, PA
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in December
Thompsontown, PA

Average humidity in December - Thompsontown, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
Thompsontown, PA

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

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days in December
Thompsontown, PA

Average rainfall days in December - Thompsontown, PA
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in December
Thompsontown, PA

Average snowfall in December - Thompsontown, PA
  • Average snowfall in December: 1.73"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Thompsontown, PA

Average snowfall days in December - Thompsontown, PA
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (9.8 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
Thompsontown, PA

Average daylight in December / Average sunshine in December - Thompsontown, 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Thompsontown, PA

Average sunshine days in December - Thompsontown, PA
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Thompsontown, PA

Average UV index in December - Thompsontown, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Thompsontown, PA

Average cloud cover in December - Thompsontown, PA
  • Average cloud cover in December: 54

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Thompsontown, PA

Average visibility in December - Thompsontown, PA
  • Average visibility in December: 6mi

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

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Thompsontown, Pennsylvania, USA

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