December weather forecast
Timblin, PA

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Weather in December

December, the first month of the winter in Timblin, is also a wintry month, with an average temperature fluctuating between 36.7°F (2.6°C) and 25.7°F (-3.5°C).

Temperature

The arrival of December signals a shift in temperature, down from a chilly 46.2°F (7.9°C) in November to a wintry 36.7°F (2.6°C). Timblin's average low-temperature in the month of December is recorded at a freezing cold 25.7°F (-3.5°C).

Humidity

In Timblin, the average relative humidity in December is 86%.

Rainfall

In Timblin, during December, the rain falls for 10.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Timblin, during the entire year, the rain falls for 151.9 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Timblin, in December, during 14.6 snowfall days, 4.21" (107mm) of snow is typically accumulated. Throughout the year, in Timblin, there are 71 snowfall days, and 22.32" (567mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:58 pm EST.

Sunshine

The average sunshine in December is 2.6h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 1 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December?

Timblin in December has an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 25.7°F (-3.5°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How many days does it rain in December?

In December, the rain falls for 10.5 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 14.6 days. Throughout December, 4.21" (107mm) 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 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 17min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:58 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 2.6h.

When is the lowest UV index?

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

How high is the UV index in December?

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

Average temperature in December - Timblin, PA
  • Average high temperature in December: 36.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Timblin, PA

Average pressure in December - Timblin, 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).

Average wind speed in December
Timblin, PA

Average wind speed in December - Timblin, PA
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Timblin, PA

Average humidity in December - Timblin, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

Average rainfall in December
Timblin, PA

Average rainfall in December - Timblin, PA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is November (1.26").

Average rainfall days in December
Timblin, PA

Average rainfall days in December - Timblin, PA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in December
Timblin, PA

Average snowfall in December - Timblin, PA
  • Average snowfall in December: 4.21"

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Timblin, PA

Average snowfall days in December - Timblin, PA
  • Average snowfall days in December: 14.6 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in December
Timblin, PA

Average sunshine days in December - Timblin, PA
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Timblin, PA

Average UV index in December - Timblin, 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
Timblin, PA

Average cloud cover in December - Timblin, PA
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

Average visibility in December
Timblin, PA

Average visibility in December - Timblin, PA
  • Average visibility in December: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Timblin, Pennsylvania, USA

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