December weather forecast
Newlinville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Newlinville, Pennsylvania, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 41.9°F (5.5°C).

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). In December, Newlinville experiences an average nighttime temperature of 30.6°F (-0.8°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Newlinville, during December, the rain falls for 8.7 days and regularly aggregates up to 1.54" (39mm) of precipitation. In Newlinville, during the entire year, the rain falls for 138.3 days and collects up to 19.76" (502mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 2.7 days. Throughout December, 1.14" (29mm) of snow is accumulated. Throughout the year, there are 19.6 snowfall days, and 7.64" (194mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:48 pm EST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The months with the lowest UV index 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 threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is it in December?

In Newlinville, in December, the average high-temperature is 41.9°F (5.5°C), and the average low-temperature is 30.6°F (-0.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

What is the average humidity in December?

In Newlinville, Pennsylvania, the average relative humidity in December is 80%.

How much does it rain in December?

In Newlinville, in December, it is raining for 8.7 days, with typically 1.54" (39mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 2.7 days. Throughout December, 1.14" (29mm) 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 24min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

What time are sunrise and sunset in December in Newlinville?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:48 pm EST.

How many hours of sunshine does Newlinville have in December?

The average sunshine duration in December is 4.7h.

When is the lowest UV index in Newlinville?

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

What is the UV index intensity in December?

In Newlinville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Newlinville, PA

Average temperature in December - Newlinville, PA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Newlinville, PA

Average pressure in December - Newlinville, 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 (29.94"Hg).

Average wind speed in December
Newlinville, PA

Average wind speed in December - Newlinville, PA
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Newlinville, PA

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

The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Newlinville, PA

Average rainfall in December - Newlinville, PA
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").

Average rainfall days in December
Newlinville, PA

Average rainfall days in December - Newlinville, PA
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).

Average snowfall in December
Newlinville, PA

Average snowfall in December - Newlinville, PA
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Newlinville, PA

Average snowfall days in December - Newlinville, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Newlinville, 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 24min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Newlinville, PA

Average sunshine days in December - Newlinville, PA
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).

Average UV index in December
Newlinville, PA

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

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

Average cloud cover in December
Newlinville, PA

Average cloud cover in December - Newlinville, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Newlinville, PA

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

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

Newlinville, Pennsylvania, USA

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