December weather forecast
Line Lexington, PA

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Weather in December

December, the first month of the winter in Line Lexington, is still a cold month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 42.1°F (5.6°C).

Temperature

With December's onset, the average high-temperature recedes from November's cool 51.3°F (10.7°C) to an icy 42.1°F (5.6°C). Line Lexington's nighttime temperature in December drops to an average of 30.7°F (-0.7°C).

Humidity

February, October and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Line Lexington, during December, the rain falls for 7.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In December, it is snowing for 1.8 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Line Lexington, during the entire year, snow falls for 14.8 days and aggregates up to 3.5" (89mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of December, in Line Lexington, sunrise is at 7:23 am and sunset at 4:45 pm EST.

Sunshine

In December, the average sunshine is 5h.

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 low health risk from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Frequently asked questions

How cold is December?

Line Lexington in December has an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 87.8°F (31°C).

What are the most humid months?

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

What is the average humidity in December?

In Line Lexington, the average relative humidity in December is 79%.

How many days does it rain in December?

In Line Lexington, during December, the rain falls for 7.3 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In Line Lexington, in December, during 1.8 snowfall days, 0.43" (11mm) 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 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 22min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Line Lexington, PA

Average temperature in December - Line Lexington, PA
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Line Lexington, PA

Average pressure in December - Line Lexington, 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
Line Lexington, PA

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

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Line Lexington, PA

Average humidity in December - Line Lexington, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in December
Line Lexington, PA

Average rainfall in December - Line Lexington, PA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in December
Line Lexington, PA

Average rainfall days in December - Line Lexington, PA
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in December
Line Lexington, PA

Average snowfall in December - Line Lexington, PA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Line Lexington, PA

Average snowfall days in December - Line Lexington, PA
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Line Lexington, PA

Average daylight in December / Average sunshine in December - Line Lexington, 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 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Line Lexington, PA

Average sunshine days in December - Line Lexington, PA
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in December
Line Lexington, PA

Average UV index in December - Line Lexington, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (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
Line Lexington, PA

Average cloud cover in December - Line Lexington, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Line Lexington, PA

Average visibility in December - Line Lexington, PA
  • Average visibility in December: 6mi

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

Line Lexington, Pennsylvania, USA

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