December weather forecast
Hollars Hill, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Hollars Hill, Pennsylvania, with an average temperature ranging between min 25.9°F (-3.4°C) and max 36.9°F (2.7°C).

Temperature

December brings a drop in Hollars Hill's average high-temperature, falling from a frosty 46.4°F (8°C) in November to an icy 36.9°F (2.7°C). The low-temperature averages to a subzero cold 25.9°F (-3.4°C) during the nights of December.

Humidity

The average relative humidity in December is 83%.

Rainfall

In Hollars Hill, in December, it is raining for 11 days, with typically 2.83" (72mm) of accumulated precipitation. In Hollars Hill, during the entire year, the rain falls for 163.3 days and collects up to 34.37" (873mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Hollars Hill, in December, during 10.7 snowfall days, 4.57" (116mm) of snow is typically accumulated. Throughout the year, there are 53.8 snowfall days, and 33.66" (855mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December in Hollars Hill, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:46 pm EST.

Sunshine

The average sunshine in December is 3.9h.

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 low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 1 in December translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 36.9°F (2.7°C) and a low-temperature of 25.9°F (-3.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 83%.

How much does it rain in December?

In Hollars Hill, during December, the rain falls for 11 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How many days does it snow in December?

In Hollars Hill, in December, during 10.7 snowfall days, 4.57" (116mm) of snow is typically accumulated.

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

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?

In December, the average day length is 9h and 17min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:46 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.9h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents 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
Hollars Hill, PA

Average temperature in December - Hollars Hill, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Hollars Hill, PA

Average pressure in December - Hollars 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
Hollars Hill, PA

Average wind speed in December - Hollars Hill, PA
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Hollars Hill, PA

Average humidity in December - Hollars Hill, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (78%).

Average rainfall in December
Hollars Hill, PA

Average rainfall in December - Hollars Hill, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in December
Hollars Hill, PA

Average rainfall days in December - Hollars Hill, PA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Hollars Hill, PA

Average snowfall in December - Hollars Hill, PA
  • Average snowfall in December: 4.57"

The months with the highest snowfall are January and February (7.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Hollars Hill, PA

Average snowfall days in December - Hollars Hill, PA
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hollars Hill, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in December
Hollars Hill, PA

Average sunshine days in December - Hollars Hill, PA
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (8.7 days).

Average UV index in December
Hollars Hill, PA

Average UV index in December - Hollars 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 month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Hollars Hill, PA

Average cloud cover in December - Hollars Hill, PA
  • Average cloud cover in December: 60

The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Hollars Hill, PA

Average visibility in December - Hollars Hill, PA
  • Average visibility in December: 5mi

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

Hollars Hill, Pennsylvania, USA

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