December weather forecast
Aldenville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Aldenville, Pennsylvania, with an average temperature varying between 35.2°F (1.8°C) and 24.6°F (-4.1°C).

Temperature

In Aldenville, the average high-temperature in December decreases from a chilly 44.6°F (7°C) in November to a wintry 35.2°F (1.8°C). In Aldenville, the expected average low-temperature for December is a freezing cold 24.6°F (-4.1°C).

Humidity

In December, the average relative humidity is 85%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 148 rainfall days, and 25.04" (636mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 13.7 days. Throughout December, 5.08" (129mm) of snow is accumulated. In Aldenville, during the entire year, snow falls for 68.4 days and aggregates up to 25.98" (660mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:41 pm EST.

Sunshine

February and December, with an average of 3.2h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

How cold is December?

During December, Aldenville experiences an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 24.6°F (-4.1°C).

What is the average humidity in December?

The average relative humidity in December is 85%.

How much does it rain in December?

In December, the rain falls for 9.8 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How many days does it snow in December?

In Aldenville, during December, snow falls for 13.7 days and regularly aggregates up to 5.08" (129mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:31 pm. On the last day of the month, in Aldenville, Pennsylvania, sunrise is at 7:28 am and sunset at 4:41 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 3.2h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 3.2h.

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.

How high is the UV index in December?

The average daily maximum UV index in December in Aldenville is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Aldenville, PA

Average temperature in December - Aldenville, PA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in December: 24.6°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Aldenville, PA

Average pressure in December - Aldenville, PA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Aldenville, PA

Average wind speed in December - Aldenville, PA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Aldenville, PA

Average humidity in December - Aldenville, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Aldenville, PA

Average rainfall in December - Aldenville, PA
  • Average rainfall in December: 1.85"

The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").

Average rainfall days in December
Aldenville, PA

Average rainfall days in December - Aldenville, PA
  • Average rainfall days in December: 9.8 days

The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in December
Aldenville, PA

Average snowfall in December - Aldenville, PA
  • Average snowfall in December: 5.08"

The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Aldenville, PA

Average snowfall days in December - Aldenville, PA
  • Average snowfall days in December: 13.7 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Aldenville, PA

Average sunshine days in December - Aldenville, PA
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).

Average UV index in December
Aldenville, PA

Average UV index in December - Aldenville, 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
Aldenville, PA

Average cloud cover in December - Aldenville, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Aldenville, PA

Average visibility in December - Aldenville, 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).

Aldenville, Pennsylvania, USA

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