December weather forecast
Linfield, PA

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Weather in December

The first month of the winter, December, is also an icy month in Linfield, Pennsylvania, with an average temperature fluctuating between 30.2°F (-1°C) and 41.5°F (5.3°C).

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 50.7°F (10.4°C) to a wintry 41.5°F (5.3°C). During the month of December, Linfield's nighttime temperature lowers to an average of 30.2°F (-1°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In Linfield, during December, the rain falls for 9.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Linfield, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Linfield, in December, during 2.7 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:46 pm EST.

Sunshine

The average sunshine in December is 4.9h.

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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Linfield in December?

In December, the average high-temperature and low-temperature are 41.5°F (5.3°C) and 30.2°F (-1°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in December in Linfield?

The average relative humidity in December is 79%.

How much does it rain in December?

In Linfield, in December, during 9.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How many days does it snow in December in Linfield?

In December, it is snowing for 2.7 days. Throughout December, 1.89" (48mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Linfield have in December?

The average day length in December is 9h and 22min.

When are sunrise and sunset in December in Linfield?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:37 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 Linfield have in December?

In Linfield, Pennsylvania, the average sunshine duration in December is 4.9h.

What are the months with 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.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Linfield, PA

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

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in December
Linfield, PA

Average pressure in December - Linfield, PA
  • Average pressure in December: 30.1"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
Linfield, PA

Average wind speed in December - Linfield, PA
  • Average wind speed in December: 7.6mph

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
Linfield, PA

Average humidity in December - Linfield, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Linfield, PA

Average rainfall in December - Linfield, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in December
Linfield, PA

Average rainfall days in December - Linfield, PA
  • Average rainfall days in December: 9.5 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Linfield, PA

Average snowfall in December - Linfield, PA
  • Average snowfall in December: 1.89"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Linfield, PA

Average snowfall days in December - Linfield, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Linfield, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Linfield, PA

Average sunshine days in December - Linfield, PA
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in December
Linfield, PA

Average UV index in December - Linfield, 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
Linfield, PA

Average cloud cover in December - Linfield, PA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Linfield, PA

Average visibility in December - Linfield, 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).

Linfield, Pennsylvania, USA

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