December weather forecast
Madison, CT

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Weather in December

December, the first month of the winter in Madison, is also a wintry month, with an average temperature ranging between min 32.4°F (0.2°C) and max 41.9°F (5.5°C).

Temperature

December's onset introduces a mild reduction in the average high-temperature, from a fresh 50.7°F (10.4°C) in November to a cold 41.9°F (5.5°C). Madison's average low-temperature in December is measured at 32.4°F (0.2°C).

Humidity

The average relative humidity in December in Madison is 75%.

Rainfall

The month with the most rainfall in Madison is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. In Madison, in December, snow falls for 4.4 days, with typically accumulated 1.34" (34mm) of snow. In Madison, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 6:57 am and sunset at 4:21 pm. On the last day of December, in Madison, sunrise is at 7:15 am and sunset at 4:31 pm EST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Madison, Connecticut. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

How cold does it get in Madison in December?

In December, the average high-temperature and low-temperature are 41.9°F (5.5°C) and 32.4°F (0.2°C) respectively.

What is the average humidity in December in Madison?

In Madison, Connecticut, the average relative humidity in December is 75%.

What is the wettest month in Madison?

The month with the most rainfall in Madison, Connecticut, is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.

How much does it rain in Madison in December?

In Madison, Connecticut, in December, it is raining for 13 days, with typically 3.66" (93mm) of accumulated precipitation.

How much does it snow in Madison in December?

In Madison, Connecticut, in December, during 4.4 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the month with the shortest days in Madison?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Madison.

How many hours of daylight does Madison have in December?

In December, the average day length in Madison, Connecticut, is 9h and 15min.

When is the sunrise / sunset in December in Madison?

On the first day of December in Madison, Connecticut, sunrise is at 6:57 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:31 pm EST.

What are the months with the least sunshine in Madison?

The months with the least sunshine in Madison, Connecticut, are February and December, with an average of 4.8h of sunshine.

How long on average sun shines in December in Madison?

The average sunshine duration in December is 4.8h.

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

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

What is the UV index reading in December in Madison?

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

Average temperature in December - Madison, CT
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in December
Madison, CT

Average pressure in December - Madison, CT
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Madison, CT

Average wind speed in December - Madison, CT
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in December
Madison, CT

Average humidity in December - Madison, CT
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Madison, CT

Average rainfall in December - Madison, CT
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Madison, CT

Average rainfall days in December - Madison, CT
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall in December
Madison, CT

Average snowfall in December - Madison, CT
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Madison, CT

Average snowfall days in December - Madison, CT
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (7 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, CT

Average daylight in December / Average sunshine in December - Madison, CT
  • Average daylight in December: 9h and 2min

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 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Madison, CT

Average sunshine days in December - Madison, CT
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in December
Madison, CT

Average UV index in December - Madison, CT
  • Average UV index in December: 2

The months with the highest UV index are 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
Madison, CT

Average cloud cover in December - Madison, CT
  • 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 August (Cloud cover 29).

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Average visibility in December
Madison, CT

Average visibility in December - Madison, CT
  • Average visibility in December: 6mi

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

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Madison, Connecticut, USA

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