December weather forecast
Wrightsville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Wrightsville, Pennsylvania, with an average temperature varying between 41.9°F (5.5°C) and 30°F (-1.1°C).

Temperature

Welcoming December, Wrightsville observes a shift in the average high-temperature, falling from November's cool 51.1°F (10.6°C) to an icy 41.9°F (5.5°C). An average low-temperature of 30°F (-1.1°C) is observed during the December nights.

Humidity

The average relative humidity in December in Wrightsville is 79%.

Rainfall

In December, in Wrightsville, the rain falls for 9.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 130.2 rainfall days, and 16.22" (412mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Wrightsville, Pennsylvania, in December, snow falls for 3 days, with typically accumulated 0.71" (18mm) of snow. In Wrightsville, during the entire year, snow falls for 18.9 days and aggregates up to 6.1" (155mm) 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 the month, sunrise is at 7:09 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:50 pm EST.

Sunshine

The average sunshine in December 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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

The high-temperature during December is 41.9°F (5.5°C) and the low-temperature is 30°F (-1.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

In Wrightsville, the average relative humidity in December is 79%.

How much does it rain in December?

In Wrightsville, in December, it is raining for 9.3 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in December?

In Wrightsville, in December, snow falls for 3 days, with typically accumulated 0.71" (18mm) of snow.

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 December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:41 pm. On the last day of the month, in Wrightsville, Pennsylvania, sunrise is at 7:27 am and sunset at 4:50 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.8h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate 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
Wrightsville, PA

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

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Wrightsville, PA

Average pressure in December - Wrightsville, 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
Wrightsville, PA

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

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Wrightsville, PA

Average humidity in December - Wrightsville, PA
  • Average humidity in December: 79%

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

Average rainfall in December
Wrightsville, PA

Average rainfall in December - Wrightsville, PA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in December
Wrightsville, PA

Average rainfall days in December - Wrightsville, PA
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Wrightsville, PA

Average snowfall in December - Wrightsville, PA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Wrightsville, PA

Average snowfall days in December - Wrightsville, PA
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Wrightsville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Wrightsville, PA

Average sunshine days in December - Wrightsville, PA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in December
Wrightsville, PA

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

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

Average cloud cover in December
Wrightsville, PA

Average cloud cover in December - Wrightsville, 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 32).

Average visibility in December
Wrightsville, PA

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

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

Wrightsville, Pennsylvania, USA

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