December weather forecast
Lenhartsville, PA

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Weather in December

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

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a chilly 49.5°F (9.7°C) in November to a wintry 40.1°F (4.5°C). In the month of December, an average of 28.6°F (-1.9°C) marks the low-temperature in Lenhartsville.

Humidity

In December, the average relative humidity is 81%.

Rainfall

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

Snowfall

January through May, October through December are months with snowfall in Lenhartsville. In Lenhartsville, in December, during 4.5 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, there are 26.2 snowfall days, and 13.58" (345mm) of snow is accumulated.

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 7:08 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 Lenhartsville, the average sunshine in December 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get 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. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Lenhartsville, Pennsylvania, in December, it is raining for 10.8 days, with typically 2.01" (51mm) of accumulated precipitation.

How many days does it snow in December?

In Lenhartsville, in December, during 4.5 snowfall days, 1.38" (35mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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?

In December, the average sunshine duration is 4.6h.

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.

What is the UV index reading in December?

In Lenhartsville, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Lenhartsville, Pennsylvania, USA

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