December weather forecast
Ayers Hill, PA

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Weather in December

The first month of the winter, December, is also an icy month in Ayers Hill, Pennsylvania, with temperature in the range of an average low of 23.7°F (-4.6°C) and an average high of 33.4°F (0.8°C).

Temperature

Ayers Hill's average high-temperature decreases in December, falling from a chilly 43.3°F (6.3°C) in November to a cold 33.4°F (0.8°C). Ayers Hill, during the nights of December, experiences an average temperature drop to a freezing cold 23.7°F (-4.6°C).

Humidity

The average relative humidity in December is 87%.

Rainfall

In Ayers Hill, during December, the rain falls for 10.4 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 168.4 rainfall days, and 31.57" (802mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Ayers Hill, during December, snow falls for 19.6 days and regularly aggregates up to 9.96" (253mm) of snow. Throughout the year, in Ayers Hill, there are 98.2 snowfall days, and 52.05" (1322mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:51 pm EST.

Sunshine

The average sunshine in December is 2.7h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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 it in December?

The high-temperature, in December, in Ayers Hill, is 33.4°F (0.8°C), while the low-temperature averages to 23.7°F (-4.6°C).

What is the average humidity in December?

In December, the average relative humidity is 87%.

How much does it rain in December?

In Ayers Hill, during December, the rain falls for 10.4 days and regularly aggregates up to 2.8" (71mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 19.6 days. Throughout December, 9.96" (253mm) of snow is accumulated.

What is the month with the shortest days in Ayers Hill?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Ayers Hill have in December?

The average day length in December is 9h and 13min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:51 pm EST.

How long on average sun shines in December in Ayers Hill?

In December, the average sunshine duration is 2.7h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December in Ayers Hill is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Ayers Hill, PA

Average temperature in December - Ayers Hill, PA
  • Average high temperature in December: 33.4°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 23.7°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in December
Ayers Hill, PA

Average pressure in December - Ayers Hill, 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
Ayers Hill, PA

Average wind speed in December - Ayers Hill, PA
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Ayers Hill, PA

Average humidity in December - Ayers Hill, PA
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Ayers Hill, PA

Average rainfall in December - Ayers Hill, PA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is August (2.09").

Average rainfall days in December
Ayers Hill, PA

Average rainfall days in December - Ayers Hill, PA
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Ayers Hill, PA

Average snowfall in December - Ayers Hill, PA
  • Average snowfall in December: 9.96"

The month with the highest snowfall is February (12.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ayers Hill, PA

Average snowfall days in December - Ayers Hill, PA
  • Average snowfall days in December: 19.6 days

The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ayers Hill, PA

Average daylight in December / Average sunshine in December - Ayers Hill, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 2h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Ayers Hill, PA

Average sunshine days in December - Ayers Hill, PA
  • Average sunshine days in December: 5.9 days

The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (4.7 days).

Average UV index in December
Ayers Hill, PA

Average UV index in December - Ayers Hill, PA
  • Average UV index in December: 1

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

Average cloud cover in December
Ayers Hill, PA

Average cloud cover in December - Ayers Hill, PA
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in December
Ayers Hill, PA

Average visibility in December - Ayers Hill, PA
  • Average visibility in December: 4mi

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

Ayers Hill, Pennsylvania, USA

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