December weather forecast
Madison, PA

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Weather in December

December, the first month of the winter in Madison, is also an icy month, with an average temperature varying between 28.4°F (-2°C) and 39.9°F (4.4°C).

Temperature

During the transition into December, Madison observes a decrease in the average high-temperature, falling from a chilly 49.5°F (9.7°C) in November to a cold 39.9°F (4.4°C). Madison, during the nights of December, experiences an average temperature drop to a subzero cold 28.4°F (-2°C).

Humidity

In Madison, the average relative humidity in December is 84%.

Rainfall

In Madison, in December, it is raining for 12.7 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 174.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In December, 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.
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, sunrise is at 7:41 am and sunset at 5:02 pm EST.

Sunshine

The average sunshine in December in Madison is 3.6h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

How cold does it get in December?

December temperatures vary between a high-temperature of 39.9°F (4.4°C) and a low-temperature of 28.4°F (-2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in December?

In Madison, the average relative humidity in December is 84%.

How many days does it rain in December in Madison?

In Madison, in December, it is raining for 12.7 days, with typically 1.97" (50mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 11.5 days. Throughout December, 2.91" (74mm) of snow is accumulated.

What is the month with the shortest days?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, 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 Madison, the average sunshine duration in December is 3.6h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Madison, Pennsylvania, USA

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