December weather forecast
Mozart, PA

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Weather in December

The first month of the winter, December, is still a chilly month in Mozart, Pennsylvania, with an average temperature ranging between max 42.8°F (6°C) and min 31.1°F (-0.5°C).

Temperature

Stepping into December, Mozart observes a temperature decline, with the average high falling from November's cool 52°F (11.1°C) to a chilly 42.8°F (6°C). During the nights in December, Mozart experiences a consistent average temperature of 31.1°F (-0.5°C).

Humidity

The average relative humidity in December in Mozart is 77%.

Rainfall

The month with the most rainfall in Mozart is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Mozart. In Mozart, during December, snow falls for 3.6 days and regularly aggregates up to 1.61" (41mm) of snow. In Mozart, during the entire year, snow falls for 24 days and aggregates up to 12.13" (308mm) of snow.

Daylight

December has the shortest days of the year in Mozart, Pennsylvania, 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 4:34 pm. On the last day of December, in Mozart, Pennsylvania, sunrise is at 7:22 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine in Mozart 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

Is December cold in Mozart?

Mozart in December has an average high-temperature of 42.8°F (6°C) and an average low-temperature of 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in December in Mozart?

The average relative humidity in December in Mozart is 77%.

What is the rainiest month in Mozart?

The month with the most rainfall in Mozart, Pennsylvania, is December, when the rain falls for 10.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

How much does it rain in Mozart in December?

In Mozart, Pennsylvania, in December, during 10.7 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How much does it snow in Mozart in December?

In December, in Mozart, Pennsylvania, it is snowing for 3.6 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Mozart?

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

What is the average length of the day in December in Mozart?

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

What time are sunrise and sunset in December in Mozart?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of the month, in Mozart, Pennsylvania, sunrise is at 7:22 am and sunset at 4:44 pm EST.

How many hours of sunshine does Mozart have in December?

In December, the average sunshine duration is 5h.

What are the months with the lowest UV index in Mozart?

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

How high is the UV index in December in Mozart?

In December, the average daily maximum UV index in Mozart is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Mozart, PA

Average temperature in December - Mozart, 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
Mozart, PA

Average pressure in December - Mozart, 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 (29.93"Hg).

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Average wind speed in December
Mozart, PA

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

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Mozart, PA

Average humidity in December - Mozart, PA
  • Average humidity in December: 77%

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

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Average rainfall in December
Mozart, PA

Average rainfall in December - Mozart, PA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Mozart, PA

Average rainfall days in December - Mozart, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Mozart, PA

Average snowfall in December - Mozart, PA
  • Average snowfall in December: 1.61"

The month with the highest snowfall is March (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Mozart, PA

Average snowfall days in December - Mozart, PA
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (7.3 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
Mozart, PA

Average daylight in December / Average sunshine in December - Mozart, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Mozart, PA

Average sunshine days in December - Mozart, PA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in December
Mozart, PA

Average UV index in December - Mozart, 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
Mozart, PA

Average cloud cover in December - Mozart, PA
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Mozart, PA

Average visibility in December - Mozart, 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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Mozart, Pennsylvania, USA

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