December weather forecast
Tresckow, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Tresckow, Pennsylvania, with an average temperature fluctuating between 36.9°F (2.7°C) and 25.9°F (-3.4°C).

Temperature

December shows a mild decline in the average high-temperature, falling from November's frosty 46.4°F (8°C) to a cold 36.9°F (2.7°C). December brings an average low-temperature of 25.9°F (-3.4°C) to Tresckow.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Tresckow, in December, it is raining for 11 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 163.3 rainfall days, and 34.37" (873mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Tresckow, in December, snow falls for 10.7 days, with typically accumulated 4.57" (116mm) of snow. In Tresckow, during the entire year, snow falls for 53.8 days and aggregates up to 33.66" (855mm) of snow.

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 7:09 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 3.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 1 suggests this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 36.9°F (2.7°C) and 25.9°F (-3.4°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 83%.

How many days does it rain in December?

In Tresckow, in December, it is raining for 11 days, with typically 2.83" (72mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 10.7 days. Throughout December, 4.57" (116mm) of snow is accumulated.

What is the month with the shortest days in Tresckow?

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

What is the average length of the day in December?

The average day length in December is 9h and 17min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, in Tresckow, sunrise is at 7:28 am and sunset at 4:46 pm EST.

How many hours of sunshine does Tresckow have in December?

The average sunshine duration in December is 3.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Tresckow, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes 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
Tresckow, PA

Average temperature in December - Tresckow, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Tresckow, PA

Average pressure in December - Tresckow, PA
  • Average pressure in December: 30.09"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
Tresckow, PA

Average wind speed in December - Tresckow, PA
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Tresckow, PA

Average humidity in December - Tresckow, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in December
Tresckow, PA

Average rainfall in December - Tresckow, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in December
Tresckow, PA

Average rainfall days in December - Tresckow, PA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Tresckow, PA

Average snowfall in December - Tresckow, PA
  • Average snowfall in December: 4.57"

The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Tresckow, PA

Average snowfall days in December - Tresckow, PA
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tresckow, 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 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in December
Tresckow, PA

Average sunshine days in December - Tresckow, PA
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).

Average UV index in December
Tresckow, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Tresckow, PA

Average cloud cover in December - Tresckow, PA
  • Average cloud cover in December: 60

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Tresckow, PA

Average visibility in December - Tresckow, 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).

Tresckow, Pennsylvania, USA

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