December weather forecast
Boyers, PA

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Weather in December

December, the first month of the winter in Boyers, is also an icy month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37.2°F (2.9°C).

Temperature

Boyers's weather in December involves a decrease in the average high-temperature, moving down from November's frosty 47.1°F (8.4°C) to a wintry 37.2°F (2.9°C). During the month of December, Boyers anticipates a mean low-temperature of 26.2°F (-3.2°C).

Humidity

The average relative humidity in December is 86%.

Rainfall

In Boyers, during December, the rain falls for 10.7 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Boyers, Pennsylvania, there are 177.8 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Boyers. In December, it is snowing for 15.6 days. Throughout December, 5.83" (148mm) of snow is accumulated. Throughout the year, there are 75.3 snowfall days, and 32.05" (814mm) 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 7:26 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:01 pm EST.

Sunshine

The average sunshine in December is 2.7h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature during December is 37.2°F (2.9°C) and the low-temperature is 26.2°F (-3.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 86%.

How much does it rain in December?

In Boyers, Pennsylvania, in December, during 10.7 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How much does it snow in December?

In Boyers, during December, snow falls for 15.6 days and regularly aggregates up to 5.83" (148mm) of snow.

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?

The average day length in December is 9h and 16min.

What time are sunrise and sunset in December?

On the first day of December in Boyers, sunrise is at 7:26 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:01 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 2.7h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Boyers, PA

Average temperature in December - Boyers, PA
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in December
Boyers, PA

Average pressure in December - Boyers, 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
Boyers, PA

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Boyers, PA

Average humidity in December - Boyers, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).

Average rainfall in December
Boyers, PA

Average rainfall in December - Boyers, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is April (3.74").
The driest month (with the least rainfall) is November (2.36").

Average rainfall days in December
Boyers, PA

Average rainfall days in December - Boyers, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in December
Boyers, PA

Average snowfall in December - Boyers, PA
  • Average snowfall in December: 5.83"

The month with the highest snowfall is January (8.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Boyers, PA

Average snowfall days in December - Boyers, PA
  • Average snowfall days in December: 15.6 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Boyers, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 2h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in December
Boyers, PA

Average sunshine days in December - Boyers, PA
  • Average sunshine days in December: 9.3 days

The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (6.3 days).

Average UV index in December
Boyers, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Boyers, PA

Average cloud cover in December - Boyers, PA
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
Boyers, PA

Average visibility in December - Boyers, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Boyers, Pennsylvania, USA

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