December weather forecast
Lenhartsville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Lenhartsville, Pennsylvania, with an average temperature fluctuating between 28.6°F (-1.9°C) and 40.1°F (4.5°C).

Temperature

The shift from November to December corresponds with a decrease in the average high-temperature, down to a cold 40.1°F (4.5°C) from a frosty 49.5°F (9.7°C). In Lenhartsville, in December, the average low-temperature is a freezing cold 28.6°F (-1.9°C).

Humidity

In Lenhartsville, Pennsylvania, the average relative humidity in December is 81%.

Rainfall

In Lenhartsville, Pennsylvania, during December, the rain falls for 10.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Lenhartsville, Pennsylvania, during the entire year, the rain falls for 148.7 days and collects up to 26.42" (671mm) of precipitation.

Snowfall

Months with snowfall in Lenhartsville are January through May, October through December. In Lenhartsville, in December, during 4.5 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Lenhartsville, during the entire year, snow falls for 26.2 days and aggregates up to 13.58" (345mm) of snow.

Daylight

December has the shortest days of the year in Lenhartsville, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 4.6h.

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 unsafe exposure to UV radiation for the ordinary person.
Note: A maximum 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. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

How cold is it in Lenhartsville in December?

During December, Lenhartsville experiences an average high-temperature of 40.1°F (4.5°C) and a low-temperature of 28.6°F (-1.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is appraised at 89.6°F (32°C).

What is the average humidity in December in Lenhartsville?

The average relative humidity in December in Lenhartsville is 81%.

How much does it rain in Lenhartsville in December?

In Lenhartsville, during December, the rain falls for 10.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How many days does it snow in December in Lenhartsville?

In Lenhartsville, in December, snow falls for 4.5 days, with typically accumulated 1.38" (35mm) of snow.

What is the month with the shortest days in Lenhartsville?

December has the shortest days of the year in Lenhartsville, Pennsylvania, with an average of 9h and 18min of daylight.

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

In Lenhartsville, the average day length in December is 9h and 20min.

When are sunrise and sunset in December in Lenhartsville?

On the first day of December, sunrise is at 7:08 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:46 pm EST.

How many hours of sunshine does Lenhartsville have in December?

The average sunshine duration in December in Lenhartsville, Pennsylvania, is 4.6h.

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

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

How high is the UV index in December in Lenhartsville?

In December, the average daily maximum UV index in Lenhartsville is 2. A UV Index of 2, and less, symbolizes 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
Lenhartsville, PA

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

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Lenhartsville, PA

Average pressure in December - Lenhartsville, 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).

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Average wind speed in December
Lenhartsville, PA

Average wind speed in December - Lenhartsville, PA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Lenhartsville, PA

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

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

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Average rainfall in December
Lenhartsville, PA

Average rainfall in December - Lenhartsville, PA
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in December
Lenhartsville, PA

Average rainfall days in December - Lenhartsville, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in December
Lenhartsville, PA

Average snowfall in December - Lenhartsville, PA
  • Average snowfall in December: 1.38"

The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lenhartsville, PA

Average snowfall days in December - Lenhartsville, PA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (8.3 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
Lenhartsville, PA

Average daylight in December / Average sunshine in December - Lenhartsville, 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
Lenhartsville, PA

Average sunshine days in December - Lenhartsville, PA
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Lenhartsville, PA

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

The month with the highest UV index is June (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
Lenhartsville, PA

Average cloud cover in December - Lenhartsville, 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
Lenhartsville, PA

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

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

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Lenhartsville, Pennsylvania, USA

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