December weather forecast
Spring House, PA

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Weather in December

December, the first month of the winter in Spring House, is also a frosty month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 31.1°F (-0.5°C).

Temperature

Welcoming December, Spring House observes a shift in the average high-temperature, falling from November's fresh 51.8°F (11°C) to a chilly 42.8°F (6°C). Spring House's nighttime temperature during December is consistently averaged at a freezing cold 31.1°F (-0.5°C).

Humidity

The months with the highest humidity in Spring House are February, October and December, with an average relative humidity of 78%.

Rainfall

December is the month with the most rainfall. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

Months with snowfall in Spring House are January through May, November and December. In Spring House, in December, during 1.7 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Spring House, during the entire year, snow falls for 12.6 days and aggregates up to 1.73" (44mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of December, in Spring House, sunrise is at 7:23 am and sunset at 4:45 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

Is December cold in Spring House?

During December, Spring House experiences an average high-temperature of 42.8°F (6°C) and a low-temperature of 31.1°F (-0.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F (32°C).

What is the most humid month in Spring House?

February, October and December, with an average relative humidity of 78%, are most humid months.

What is the average humidity in December in Spring House?

The average relative humidity in December in Spring House, Pennsylvania, is 78%.

What is the wettest month in Spring House?

December is the month with the most rainfall. Rain falls for 5.8 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in Spring House in December?

In December, in Spring House, the rain falls for 5.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How many days does it snow in December in Spring House?

In Spring House, in December, during 1.7 snowfall days, 0.28" (7mm) of snow is typically accumulated.

What is the month with the shortest days in Spring House?

December has the shortest days of the year in Spring House, with an average of 9h and 24min of daylight.

How many hours of daylight does Spring House have in December?

In Spring House, Pennsylvania, the average day length in December is 9h and 22min.

When are sunrise and sunset in December in Spring House?

On the first day of December, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.

How long on average sun shines in December in Spring House?

In Spring House, Pennsylvania, the average sunshine duration in December is 5h.

What are the months with the lowest UV index in Spring House?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Spring House, Pennsylvania.

How high is the UV index in December in Spring House?

The average daily maximum UV index in December in Spring House, Pennsylvania, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Spring House, PA

Average temperature in December - Spring House, PA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Spring House, PA

Average pressure in December - Spring House, 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).

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Average wind speed in December
Spring House, PA

Average wind speed in December - Spring House, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Spring House, PA

Average humidity in December - Spring House, PA
  • Average humidity in December: 78%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in December
Spring House, PA

Average rainfall in December - Spring House, PA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in December
Spring House, PA

Average rainfall days in December - Spring House, PA
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in December
Spring House, PA

Average snowfall in December - Spring House, PA
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Spring House, PA

Average snowfall days in December - Spring House, PA
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Spring House, PA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Spring House, PA

Average sunshine days in December - Spring House, PA
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (17.4 days).

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Average UV index in December
Spring House, PA

Average UV index in December - Spring House, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Spring House, PA

Average cloud cover in December - Spring House, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Spring House, PA

Average visibility in December - Spring House, PA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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Spring House, Pennsylvania, USA

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