December weather forecast
Wennersville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Wennersville, Pennsylvania, with an average temperature fluctuating between 28.9°F (-1.7°C) and 40.1°F (4.5°C).

Temperature

December brings a decrease in the average high-temperature, falling from November's frosty 49.8°F (9.9°C) to an icy 40.1°F (4.5°C). During December, the nighttime temperature averages to a subzero cold 28.9°F (-1.7°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Wennersville, during December, the rain falls for 9.2 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Wennersville, in December, during 2.5 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Wennersville, during the entire year, snow falls for 20.4 days and aggregates up to 13.82" (351mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine in Wennersville is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 40.1°F (4.5°C) and 28.9°F (-1.7°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), 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 Wennersville, the average relative humidity in December is 81%.

How many days does it rain in December?

In December, the rain falls for 9.2 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How many days does it snow in December in Wennersville?

In December, it is snowing for 2.5 days. Throughout December, 2.28" (58mm) 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 in Wennersville.

How many hours of daylight does Wennersville have in December?

The average day length in December is 9h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

How long on average sun shines in December in Wennersville?

The average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Wennersville, PA

Average temperature in December - Wennersville, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Wennersville, PA

Average pressure in December - Wennersville, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Wennersville, PA

Average wind speed in December - Wennersville, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Wennersville, PA

Average humidity in December - Wennersville, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in December
Wennersville, PA

Average rainfall in December - Wennersville, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in December
Wennersville, PA

Average rainfall days in December - Wennersville, PA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in December
Wennersville, PA

Average snowfall in December - Wennersville, PA
  • Average snowfall in December: 2.28"

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Wennersville, PA

Average snowfall days in December - Wennersville, PA
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Wennersville, 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 18min).

  • 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 24min).

Average sunshine days in December
Wennersville, PA

Average sunshine days in December - Wennersville, PA
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in December
Wennersville, PA

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

The months with the highest UV index are June and July (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
Wennersville, PA

Average cloud cover in December - Wennersville, PA
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Wennersville, PA

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

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

Wennersville, Pennsylvania, USA

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