December weather forecast
Madison, PA

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Weather in December

December, the first month of the winter in Madison, is still a cold month, with an average temperature ranging between min 28.4°F (-2°C) and max 39.9°F (4.4°C).

Temperature

Madison in December demonstrates a small temperature transition, adjusting from an average high of a chilly 49.5°F (9.7°C) in November to a cold 39.9°F (4.4°C). An average low-temperature of 28.4°F (-2°C) is noted in Madison during the month of December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Madison, during December, the rain falls for 12.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Madison, during the entire year, the rain falls for 174.1 days and collects up to 23.82" (605mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Madison. In December, in Madison, it is snowing for 11.5 days. Throughout December, 2.91" (74mm) of snow is accumulated. Throughout the year, there are 54.8 snowfall days, and 13.58" (345mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Madison.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of December, in Madison, Pennsylvania, sunrise is at 7:41 am and sunset at 5:02 pm EST.

Sunshine

In December, the average sunshine is 3.6h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 1 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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 aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

Is December cold in Madison?

The average high-temperature, in December, in Madison, is 39.9°F (4.4°C), while the average low-temperature is 28.4°F (-2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in December in Madison?

In December, the average relative humidity is 84%.

How many days does it rain in December in Madison?

In Madison, Pennsylvania, during December, the rain falls for 12.7 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How many days does it snow in December in Madison?

In Madison, Pennsylvania, in December, during 11.5 snowfall days, 2.91" (74mm) of snow is typically accumulated.

What is the month with the shortest days in Madison?

The month with the shortest days in Madison, Pennsylvania, is December, with an average of 9h and 24min of daylight.

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

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

When is the sunrise / sunset in December in Madison?

On the first day of December in Madison, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:02 pm EST.

How many hours of sunshine does Madison have in December?

In December, the average sunshine duration in Madison is 3.6h.

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

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

How high is the UV index in December in Madison?

In Madison, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Madison, PA

Average temperature in December - Madison, PA
  • Average high temperature in December: 39.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Madison, PA

Average pressure in December - Madison, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Madison, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Madison, PA

Average humidity in December - Madison, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in December
Madison, PA

Average rainfall in December - Madison, PA
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").

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Average rainfall days in December
Madison, PA

Average rainfall days in December - Madison, PA
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).

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Average snowfall in December
Madison, PA

Average snowfall in December - Madison, PA
  • Average snowfall in December: 2.91"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Madison, PA

Average snowfall days in December - Madison, PA
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (16.5 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
Madison, PA

Average daylight in December / Average sunshine in December - Madison, 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: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Madison, PA

Average sunshine days in December - Madison, PA
  • Average sunshine days in December: 9.5 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).

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Average UV index in December
Madison, PA

Average UV index in December - Madison, PA
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Madison, PA

Average cloud cover in December - Madison, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Madison, PA

Average visibility in December - Madison, PA
  • Average visibility in December: 5mi

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

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Madison, Pennsylvania, USA

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