December weather forecast
Lawrence, PA

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Weather in December

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

Temperature

Lawrence in December demonstrates a small temperature transition, adjusting from an average high of a chilly 49.3°F (9.6°C) in November to an icy 40.1°F (4.5°C). Lawrence records an average temperature drop to a freezing cold 28.6°F (-1.9°C) in December.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Lawrence, during December, the rain falls for 13.4 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Lawrence, during the entire year, the rain falls for 187.9 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lawrence. In December, it is snowing for 13 days. Throughout December, 4.53" (115mm) of snow is accumulated. In Lawrence, during the entire year, snow falls for 60 days and aggregates up to 23.31" (592mm) of snow.

Daylight

The month with the shortest days in Lawrence is December, with an average of 9h and 24min of daylight.
On the first day of December in Lawrence, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:04 pm EST.

Sunshine

In Lawrence, Pennsylvania, the average sunshine in December is 3.4h.

UV index

The month with the lowest UV index in Lawrence, Pennsylvania, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Lawrence in December?

The high-temperature in Lawrence, Pennsylvania, during December is 40.1°F (4.5°C) and the low-temperature is 28.6°F (-1.9°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in December in Lawrence?

The average relative humidity in December in Lawrence, Pennsylvania, is 83%.

How much does it rain in Lawrence in December?

In Lawrence, Pennsylvania, during December, the rain falls for 13.4 days and regularly aggregates up to 3.03" (77mm) of precipitation.

How many days does it snow in December in Lawrence?

In Lawrence, Pennsylvania, during December, snow falls for 13 days and regularly aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days in Lawrence?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

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

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

When are sunrise and sunset in December in Lawrence?

On the first day of December in Lawrence, Pennsylvania, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:04 pm EST.

How long on average sun shines in December in Lawrence?

In Lawrence, the average sunshine duration in December is 3.4h.

What is the month with the lowest UV index in Lawrence?

With an average maximum UV index of 1, December is the month with the lowest UV index in Lawrence, Pennsylvania.

How high is the UV index in December in Lawrence?

The average daily maximum UV index in December in Lawrence, Pennsylvania, is 1. A UV Index reading 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
Lawrence, PA

Average temperature in December - Lawrence, 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 (33.4°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in December
Lawrence, PA

Average pressure in December - Lawrence, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Lawrence, PA

Average wind speed in December - Lawrence, PA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Lawrence, PA

Average humidity in December - Lawrence, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in December
Lawrence, PA

Average rainfall in December - Lawrence, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.2").

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Average rainfall days in December
Lawrence, PA

Average rainfall days in December - Lawrence, PA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).

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Average snowfall in December
Lawrence, PA

Average snowfall in December - Lawrence, PA
  • Average snowfall in December: 4.53"

The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Lawrence, PA

Average snowfall days in December - Lawrence, PA
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (17.1 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
Lawrence, PA

Average daylight in December / Average sunshine in December - Lawrence, 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: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Lawrence, PA

Average sunshine days in December - Lawrence, PA
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).

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Average UV index in December
Lawrence, PA

Average UV index in December - Lawrence, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Lawrence, PA

Average cloud cover in December - Lawrence, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Lawrence, PA

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

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Lawrence, Pennsylvania, USA

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