December weather forecast
Tionesta, PA

Weather in December

The first month of the winter, December, is still a cold month in Tionesta, Pennsylvania, with an average temperature ranging between max 35.8°F (2.1°C) and min 25.3°F (-3.7°C).

Temperature

In Tionesta, the average high-temperature in December decreases from a chilly 45.1°F (7.3°C) in November to a wintry 35.8°F (2.1°C). The average low-temperature, in Tionesta, is 25.3°F (-3.7°C).

Humidity

In Tionesta, Pennsylvania, the average relative humidity in December is 87%.

Rainfall

In December, in Tionesta, the rain falls for 9.6 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Tionesta, during the entire year, the rain falls for 171.3 days and collects up to 35.08" (891mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Tionesta, during December, snow falls for 15.1 days and regularly aggregates up to 7.87" (200mm) of snow. In Tionesta, during the entire year, snow falls for 74.7 days and aggregates up to 35.79" (909mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 14min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:48 pm. On the last day of December, in Tionesta, sunrise is at 7:44 am and sunset at 4:57 pm EST.

Sunshine

The average sunshine in December is 2.4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Tionesta?

The average relative humidity in December in Tionesta, Pennsylvania, is 87%.

How many days does it rain in December in Tionesta?

In Tionesta, Pennsylvania, in December, during 9.6 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

How many days does it snow in December in Tionesta?

In Tionesta, Pennsylvania, in December, snow falls for 15.1 days, with typically accumulated 7.87" (200mm) of snow.

What is the month with the shortest days in Tionesta?

December has the shortest days of the year in Tionesta, with an average of 9h and 14min of daylight.

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

In December, the average day length is 9h and 14min.

When are sunrise and sunset in December in Tionesta?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 4:48 pm. On the last day of the month, in Tionesta, Pennsylvania, sunrise is at 7:44 am and sunset at 4:57 pm EST.

How long on average sun shines in December in Tionesta?

In Tionesta, the average sunshine duration in December is 2.4h.

What are the months with the lowest UV index in Tionesta?

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

What is the UV index reading in December in Tionesta?

In December, the average daily maximum UV index in Tionesta, Pennsylvania, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.

Average temperature in December
Tionesta, PA

Average temperature in December - Tionesta, PA
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in December
Tionesta, PA

Average pressure in December - Tionesta, 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).

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Average wind speed in December
Tionesta, PA

Average wind speed in December - Tionesta, PA
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Tionesta, PA

Average humidity in December - Tionesta, PA
  • Average humidity in December: 87%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (79%).

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Average rainfall in December
Tionesta, PA

Average rainfall in December - Tionesta, PA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is April (4.02").
The driest month (with the least rainfall) is November (2.32").

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Average rainfall days in December
Tionesta, PA

Average rainfall days in December - Tionesta, PA
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in December
Tionesta, PA

Average snowfall in December - Tionesta, PA
  • Average snowfall in December: 7.87"

The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Tionesta, PA

Average snowfall days in December - Tionesta, PA
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (20.1 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
Tionesta, PA

Average daylight in December / Average sunshine in December - Tionesta, PA
  • Average daylight in December: 9h and 14min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • Average sunshine in December: 2.4h

The months with the most sunshine are July and August (Average sunshine: 9.5h).
The month with the least sunshine is January (Average sunshine: 2.2h).

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Average sunshine days in December
Tionesta, PA

Average sunshine days in December - Tionesta, PA
  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is November (12.4 days).
The month with the least sunshine days is February (7.2 days).

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Average UV index in December
Tionesta, PA

Average UV index in December - Tionesta, 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).

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Average cloud cover in December
Tionesta, PA

Average cloud cover in December - Tionesta, PA
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 41).

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Average visibility in December
Tionesta, PA

Average visibility in December - Tionesta, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).

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