December weather forecast
Walbert, PA

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Weather in December

December, the first month of the winter in Walbert, is also a wintry month, with an average temperature ranging between max 40.3°F (4.6°C) and min 28.9°F (-1.7°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from a fresh 50°F (10°C) in November to a wintry 40.3°F (4.6°C). Walbert reports an average nighttime low-temperature of 28.9°F (-1.7°C) in December.

Humidity

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

Rainfall

In Walbert, during December, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Walbert, during the entire year, the rain falls for 155.8 days and collects up to 30.75" (781mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Walbert, it is snowing for 5 days. Throughout December, 2.36" (60mm) of snow is accumulated. In Walbert, during the entire year, snow falls for 29.4 days and aggregates up to 15.87" (403mm) of snow.

Daylight

December has the shortest days of the year in Walbert, Pennsylvania, 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, in Walbert, sunrise is at 7:25 am and sunset at 4:45 pm EST.

Sunshine

In Walbert, the average sunshine in December 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Walbert in December?

In December, the average high-temperature and low-temperature in Walbert, Pennsylvania, are 40.3°F (4.6°C) and 28.9°F (-1.7°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December in Walbert?

The average relative humidity in December in Walbert is 80%.

How many days does it rain in December in Walbert?

In Walbert, Pennsylvania, during December, the rain falls for 11.2 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How much does it snow in Walbert in December?

In December, in Walbert, it is snowing for 5 days. Throughout December, 2.36" (60mm) of snow is accumulated.

What is the month with the shortest days in Walbert?

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

What is the average length of the day in December in Walbert?

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

When are sunrise and sunset in December in Walbert?

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 Walbert?

In Walbert, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index in Walbert?

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

What is the UV index reading in December in Walbert?

In December, the average daily maximum UV index in Walbert, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Walbert, PA

Average temperature in December - Walbert, PA
  • Average high temperature in December: 40.3°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 (34.3°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).

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Average pressure in December
Walbert, PA

Average pressure in December - Walbert, 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).

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Average wind speed in December
Walbert, PA

Average wind speed in December - Walbert, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Walbert, PA

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

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

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Average rainfall in December
Walbert, PA

Average rainfall in December - Walbert, PA
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Walbert, PA

Average rainfall days in December - Walbert, PA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Walbert, PA

Average snowfall in December - Walbert, PA
  • Average snowfall in December: 2.36"

The month with the highest snowfall is March (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Walbert, PA

Average snowfall days in December - Walbert, PA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Walbert, 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).

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Average sunshine days in December
Walbert, PA

Average sunshine days in December - Walbert, PA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in December
Walbert, PA

Average UV index in December - Walbert, 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).

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Average cloud cover in December
Walbert, PA

Average cloud cover in December - Walbert, 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 33).

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Average visibility in December
Walbert, PA

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

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

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Walbert, Pennsylvania, USA

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