December weather forecast
Boalsburg, PA

Share

Weather in December

The first month of the winter, December, is also an icy month in Boalsburg, Pennsylvania, with temperature in the range of an average low of 26.6°F (-3°C) and an average high of 37°F (2.8°C).

Temperature

December is characterized by a reduction in the average high-temperature, from a chilly 46.9°F (8.3°C) in November to a cold 37°F (2.8°C). Throughout December, Boalsburg's nights cool down to an average of 26.6°F (-3°C).

Humidity

In Boalsburg, the average relative humidity in December is 83%.

Rainfall

In Boalsburg, in December, during 13.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Boalsburg, during the entire year, the rain falls for 174.7 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Boalsburg, in December, during 11.9 snowfall days, 5.16" (131mm) of snow is typically accumulated. In Boalsburg, during the entire year, snow falls for 59.7 days and aggregates up to 31.46" (799mm) of snow.

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 7:16 am and sunset at 4:44 pm. On the last day of December, in Boalsburg, sunrise is at 7:35 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Boalsburg, Pennsylvania, is 3.9h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Boalsburg, is 37°F (2.8°C), while the low-temperature averages to 26.6°F (-3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December in Boalsburg is 83%.

How much does it rain in December?

In Boalsburg, during December, the rain falls for 13.5 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in December?

In Boalsburg, in December, snow falls for 11.9 days, with typically accumulated 5.16" (131mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In Boalsburg, the average day length in December is 9h and 19min.

When are sunrise and sunset in December in Boalsburg?

On the first day of December, sunrise is at 7:16 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:53 pm EST.

How long on average sun shines in December?

In Boalsburg, the average sunshine duration in December is 3.9h.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Boalsburg, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Boalsburg, PA

Average temperature in December - Boalsburg, PA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in December
Boalsburg, PA

Average pressure in December - Boalsburg, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Boalsburg, PA

Average wind speed in December - Boalsburg, PA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Boalsburg, PA

Average humidity in December - Boalsburg, PA
  • Average humidity in December: 83%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (76%).

Average rainfall in December
Boalsburg, PA

Average rainfall in December - Boalsburg, PA
  • Average rainfall in December: 2.6"

The wettest months (with the highest rainfall) are April and May (3.35").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in December
Boalsburg, PA

Average rainfall days in December - Boalsburg, PA
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in December
Boalsburg, PA

Average snowfall in December - Boalsburg, PA
  • Average snowfall in December: 5.16"

The month with the highest snowfall is February (8.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Boalsburg, PA

Average snowfall days in December - Boalsburg, PA
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Boalsburg, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Boalsburg, PA

Average sunshine days in December - Boalsburg, PA
  • Average sunshine days in December: 11.1 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in December
Boalsburg, PA

Average UV index in December - Boalsburg, PA
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Boalsburg, PA

Average cloud cover in December - Boalsburg, PA
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in December
Boalsburg, PA

Average visibility in December - Boalsburg, 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).

Boalsburg, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location