December weather forecast
Spring Mount, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Spring Mount, Pennsylvania, with an average temperature ranging between max 41.5°F (5.3°C) and min 30.4°F (-0.9°C).

Temperature

Spring Mount, Pennsylvania, in December demonstrates a small temperature transition, adjusting from an average high of a fresh 50.9°F (10.5°C) in November to a wintry 41.5°F (5.3°C). Spring Mount records an average temperature drop to a freezing cold 30.4°F (-0.9°C) in December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Spring Mount, in December, it is raining for 8 days, with typically 1.34" (34mm) of accumulated precipitation. In Spring Mount, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Spring Mount, in December, snow falls for 2 days, with typically accumulated 1.34" (34mm) of snow. In Spring Mount, during the entire year, snow falls for 17 days and aggregates up to 5.43" (138mm) 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 December, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:45 pm EST.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

Is it cold during December?

In Spring Mount, 41.5°F (5.3°C) is the average high-temperature and 30.4°F (-0.9°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In Spring Mount, in December, during 8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Spring Mount, during December, snow falls for 2 days and regularly aggregates up to 1.34" (34mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 22min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, in Spring Mount, sunrise is at 7:24 am and sunset at 4:45 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Spring Mount, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from 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
Spring Mount, PA

Average temperature in December - Spring Mount, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Spring Mount, PA

Average pressure in December - Spring Mount, 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
Spring Mount, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Spring Mount, PA

Average humidity in December - Spring Mount, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Spring Mount, PA

Average rainfall in December - Spring Mount, PA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Spring Mount, PA

Average rainfall days in December - Spring Mount, PA
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in December
Spring Mount, PA

Average snowfall in December - Spring Mount, PA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Spring Mount, PA

Average snowfall days in December - Spring Mount, PA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Spring Mount, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Spring Mount, PA

Average sunshine days in December - Spring Mount, PA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Spring Mount, PA

Average UV index in December - Spring Mount, 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).

Average cloud cover in December
Spring Mount, PA

Average cloud cover in December - Spring Mount, PA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Spring Mount, PA

Average visibility in December - Spring Mount, 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).

Spring Mount, Pennsylvania, USA

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