December weather forecast
Wapwallopen, PA

Share

Weather in December

December, the first month of the winter in Wapwallopen, is also an icy month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 37.2°F (2.9°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a chilly 46.9°F (8.3°C) in November to a wintry 37.2°F (2.9°C). In Wapwallopen, in December, the average low-temperature is a freezing cold 26.2°F (-3.2°C).

Humidity

The average relative humidity in December is 83%.

Rainfall

In Wapwallopen, in December, during 7.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Wapwallopen, during the entire year, the rain falls for 111.5 days and collects up to 11.34" (288mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Wapwallopen, during December, snow falls for 5.3 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, there are 31.5 snowfall days, and 7.28" (185mm) 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 December, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:46 pm EST.

Sunshine

The average sunshine in December is 3.9h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

Wapwallopen in December has an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 26.2°F (-3.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in December?

In Wapwallopen, the average relative humidity in December is 83%.

How much does it rain in December?

In Wapwallopen, during December, the rain falls for 7.3 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 5.3 days. Throughout December, 1.02" (26mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Wapwallopen have in December?

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

When is the sunrise / sunset in December in Wapwallopen?

On the first day of December in Wapwallopen, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:46 pm EST.

How many hours of sunshine does Wapwallopen have in December?

In Wapwallopen, the average sunshine duration in December is 3.9h.

When is the lowest UV index?

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

How high is the UV index in December?

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

Average temperature in December - Wapwallopen, PA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Wapwallopen, PA

Average pressure in December - Wapwallopen, PA
  • Average pressure in December: 30.09"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
Wapwallopen, PA

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Wapwallopen, PA

Average humidity in December - Wapwallopen, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in December
Wapwallopen, PA

Average rainfall in December - Wapwallopen, PA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is September (0.55").

Average rainfall days in December
Wapwallopen, PA

Average rainfall days in December - Wapwallopen, PA
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in December
Wapwallopen, PA

Average snowfall in December - Wapwallopen, PA
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Wapwallopen, PA

Average snowfall days in December - Wapwallopen, PA
  • Average snowfall days in December: 5.3 days

The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Wapwallopen, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in December
Wapwallopen, PA

Average sunshine days in December - Wapwallopen, PA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Wapwallopen, PA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Wapwallopen, PA

Average cloud cover in December - Wapwallopen, PA
  • Average cloud cover in December: 60

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in December
Wapwallopen, PA

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

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

Wapwallopen, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location