December weather forecast
Mountainhome, PA

Weather in December

December, the first month of the winter in Mountainhome, is also a wintry month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 37.6°F (3.1°C).

Temperature

In December, the average high-temperature decreases from a chilly 47.1°F (8.4°C) in November to a cold 37.6°F (3.1°C). In Mountainhome, the average low-temperature is 26.2°F (-3.2°C).

Humidity

February and December, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Mountainhome, it is raining for 11.4 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, in Mountainhome, there are 166.6 rainfall days, and 32.6" (828mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Mountainhome, Pennsylvania, it is snowing for 7.4 days. Throughout December, 3.46" (88mm) of snow is accumulated. In Mountainhome, during the entire year, snow falls for 40.3 days and aggregates up to 20.47" (520mm) of snow.

Daylight

The month with the shortest days in Mountainhome is December, with an average of 9h and 16min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of December, in Mountainhome, sunrise is at 7:26 am and sunset at 4:42 pm EST.

Sunshine

The average sunshine in December is 4.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Mountainhome?

In December, the average high-temperature is 37.6°F (3.1°C), and the average low-temperature is 26.2°F (-3.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 87.8°F (31°C).

What are the most humid months in Mountainhome?

The months with the highest humidity are February and December, with an average relative humidity of 83%.

What is the average humidity in December in Mountainhome?

The average relative humidity in December is 83%.

How many days does it rain in December in Mountainhome?

In December, in Mountainhome, Pennsylvania, the rain falls for 11.4 days. Throughout December, 2.72" (69mm) of precipitation is accumulated.

How much does it snow in Mountainhome in December?

In December, in Mountainhome, it is snowing for 7.4 days. Throughout December, 3.46" (88mm) of snow is accumulated.

What is the month with the shortest days in Mountainhome?

December has the shortest days of the year in Mountainhome, with an average of 9h and 16min of daylight.

How many hours of daylight does Mountainhome have in December?

In Mountainhome, the average day length in December is 9h and 16min.

What time are sunrise and sunset in December in Mountainhome?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of the month, in Mountainhome, sunrise is at 7:26 am and sunset at 4:42 pm EST.

How long on average sun shines in December in Mountainhome?

The average sunshine duration in December is 4.4h.

What is the month with the lowest UV index in Mountainhome?

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

What is the UV index reading in December in Mountainhome?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Mountainhome, PA

Average temperature in December - Mountainhome, PA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Mountainhome, PA

Average pressure in December - Mountainhome, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Mountainhome, PA

Average wind speed in December - Mountainhome, PA
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Mountainhome, PA

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

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

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Average rainfall in December
Mountainhome, PA

Average rainfall in December - Mountainhome, PA
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Mountainhome, PA

Average rainfall days in December - Mountainhome, PA
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in December
Mountainhome, PA

Average snowfall in December - Mountainhome, PA
  • Average snowfall in December: 3.46"

The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Mountainhome, PA

Average snowfall days in December - Mountainhome, PA
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is January (10.3 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
Mountainhome, PA

Average daylight in December / Average sunshine in December - Mountainhome, PA
  • Average daylight in December: 9h and 16min

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 16min).

  • Average sunshine in December: 4h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in December
Mountainhome, PA

Average sunshine days in December - Mountainhome, PA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.6 days).

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Average UV index in December
Mountainhome, PA

Average UV index in December - Mountainhome, 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).

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Average cloud cover in December
Mountainhome, PA

Average cloud cover in December - Mountainhome, PA
  • Average cloud cover in December: 54

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in December
Mountainhome, PA

Average visibility in December - Mountainhome, 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).

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