December weather forecast
North York, PA

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Weather in December

The first month of the winter, December, is also a wintry month in North York, Pennsylvania, with an average temperature fluctuating between 41.9°F (5.5°C) and 29.7°F (-1.3°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's fresh 50.9°F (10.5°C) to an icy 41.9°F (5.5°C). During the nights in December, the temperature averages to a subzero cold 29.7°F (-1.3°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In North York, in December, during 9.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In North York, during the entire year, the rain falls for 134.1 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In North York, in December, during 3.5 snowfall days, 0.98" (25mm) of snow is typically accumulated. In North York, during the entire year, snow falls for 20.6 days and aggregates up to 7.64" (194mm) of snow.

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 7:10 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:51 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in North York?

North York in December has an average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 29.7°F (-1.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In North York, during December, the rain falls for 9.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

How many days does it snow in December?

In North York, in December, snow falls for 3.5 days, with typically accumulated 0.98" (25mm) of snow.

What is the month with the shortest days?

The month with the shortest days in North York is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 23min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:51 pm EST.

How many hours of sunshine does North York have in December?

The average sunshine duration in December is 4.8h.

When is the lowest UV index?

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

What is the UV index intensity in December in North York?

In December, the average daily maximum UV index in North York is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
North York, PA

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

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 29.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in December
North York, PA

Average pressure in December - North York, 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
North York, PA

Average wind speed in December - North York, PA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
North York, PA

Average humidity in December - North York, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February, May and October (80%).
The months with the lowest relative humidity are March and April (76%).

Average rainfall in December
North York, PA

Average rainfall in December - North York, PA
  • Average rainfall in December: 1.26"

The wettest months (with the highest rainfall) are July and August (2.01").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in December
North York, PA

Average rainfall days in December - North York, PA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6 days).

Average snowfall in December
North York, PA

Average snowfall in December - North York, PA
  • Average snowfall in December: 0.98"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
North York, PA

Average snowfall days in December - North York, PA
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
North York, PA

Average daylight in December / Average sunshine in December - North York, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
North York, PA

Average sunshine days in December - North York, PA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in December
North York, PA

Average UV index in December - North York, 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, November and December (UV index 2).

Average cloud cover in December
North York, PA

Average cloud cover in December - North York, PA
  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
North York, PA

Average visibility in December - North York, 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).

North York, Pennsylvania, USA

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