December weather forecast
Layfield, PA

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Weather in December

The first month of the winter, December, is also an icy month in Layfield, Pennsylvania, with an average temperature varying between 41.5°F (5.3°C) and 30.4°F (-0.9°C).

Temperature

December shows a mild decline in the average high-temperature, falling from November's fresh 50.9°F (10.5°C) to an icy 41.5°F (5.3°C). The average temperature drops to a subzero cold 30.4°F (-0.9°C) during the night in the month of December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 8 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Layfield, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Layfield, during December, snow falls for 2 days and regularly aggregates up to 1.34" (34mm) of snow. In Layfield, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Layfield.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:46 pm EST.

Sunshine

In Layfield, the average sunshine in December is 4.8h.

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In December, the average high-temperature and low-temperature in Layfield are 41.5°F (5.3°C) and 30.4°F (-0.9°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 87.8°F (31°C).

What is the average humidity in December?

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

How much does it rain in December?

In Layfield, during December, the rain falls for 8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

How much does it snow in December?

In Layfield, in December, during 2 snowfall days, 1.34" (34mm) 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.

How many hours of daylight does Layfield have in December?

In December, the average day length is 9h and 21min.

When is the sunrise / sunset in December in Layfield?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:46 pm EST.

How many hours of sunshine does Layfield have in December?

The average sunshine duration in December is 4.8h.

What is the month 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 Layfield, Pennsylvania, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from 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
Layfield, PA

Average temperature in December - Layfield, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Layfield, PA

Average pressure in December - Layfield, 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
Layfield, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Layfield, PA

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

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Layfield, PA

Average rainfall in December - Layfield, PA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Layfield, PA

Average rainfall days in December - Layfield, PA
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in December
Layfield, PA

Average snowfall in December - Layfield, PA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Layfield, PA

Average snowfall days in December - Layfield, PA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Layfield, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Layfield, PA

Average sunshine days in December - Layfield, PA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Layfield, PA

Average UV index in December - Layfield, 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
Layfield, PA

Average cloud cover in December - Layfield, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Layfield, PA

Average visibility in December - Layfield, 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).

Layfield, Pennsylvania, USA

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