December weather forecast
Bridgeport, CT

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Weather in December

December marks the onset of winter and the end of the year in Bridgeport, Connecticut. The city sees a peak in precipitation from November to December, reaching 4.21" (107mm). The sun shines for relatively fewer hours, and the city embraces itself for a white Christmas. Despite the cold, the season comes with its charm, with Christmas celebrations and snow-covered landscapes adding a magical touch to the city.

Temperature

The arrival of December in Bridgeport signals a shift in temperature, down from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). In Bridgeport, the December nights are characterized by an average low-temperature of 33.3°F (0.7°C), a minor dip from daytime readings.

Humidity

The average relative humidity in December is 75%.

Rainfall

The month with the most rainfall in Bridgeport is December, when the rain falls for 12.7 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Bridgeport, Connecticut, in December, during 4.3 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, there are 24.9 snowfall days, and 9.41" (239mm) of snow is accumulated.

Ocean temperature

In Bridgeport, in December, the average water temperature is 48°F (8.9°C).
Note: In 48°F (8.9°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Bridgeport.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:24 pm. On the last day of December, in Bridgeport, Connecticut, sunrise is at 7:18 am and sunset at 4:34 pm EST.

Sunshine

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

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bridgeport. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold in Bridgeport?

Bridgeport in December has an average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 33.3°F (0.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in December in Bridgeport?

The average relative humidity in December is 75%.

What is the rainiest month in Bridgeport?

The month with the most rainfall is December, when the rain falls for 12.7 days and typically aggregates up to 4.21" (107mm) of precipitation.

How many days does it rain in December in Bridgeport?

In Bridgeport, during December, the rain falls for 12.7 days and regularly aggregates up to 4.21" (107mm) of precipitation.

How many days does it snow in December in Bridgeport?

In Bridgeport, Connecticut, in December, during 4.3 snowfall days, 1.81" (46mm) of snow is typically accumulated.

What is the ocean temperature in December in Bridgeport?

In Bridgeport, Connecticut, the average seawater temperature in December is 48°F (8.9°C). Swimming in 48°F (8.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Bridgeport?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

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

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

What time are sunrise and sunset in December in Bridgeport?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:24 pm. On the last day of the month, in Bridgeport, Connecticut, sunrise is at 7:18 am and sunset at 4:34 pm EST.

What are the months with the least sunshine in Bridgeport?

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

How long on average sun shines in December in Bridgeport?

In December, the average sunshine duration in Bridgeport is 4.8h.

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

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

What is the UV index reading in December in Bridgeport?

In Bridgeport, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Bridgeport, CT

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

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

Average pressure in December
Bridgeport, CT

Average pressure in December - Bridgeport, CT
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Bridgeport, CT

Average wind speed in December - Bridgeport, CT
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Bridgeport, CT

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

The months with the highest relative humidity are May and June (76%).
The months with the lowest relative humidity are April and November (72%).

Average rainfall in December
Bridgeport, CT

Average rainfall in December - Bridgeport, CT
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").

Average rainfall days in December
Bridgeport, CT

Average rainfall days in December - Bridgeport, CT
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in December
Bridgeport, CT

Average snowfall in December - Bridgeport, CT
  • Average snowfall in December: 1.81"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Bridgeport, CT

Average snowfall days in December - Bridgeport, CT
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in December
Bridgeport, CT

Average sea temperature in December - Bridgeport, CT
  • Average sea temperature in December: 48.1°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).

Average daylight in December /
Average sunshine in December
Bridgeport, CT

Average daylight in December / Average sunshine in December - Bridgeport, 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 July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Bridgeport, CT

Average sunshine days in December - Bridgeport, CT
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in December
Bridgeport, CT

Average UV index in December - Bridgeport, 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).

Average cloud cover in December
Bridgeport, CT

Average cloud cover in December - Bridgeport, CT
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Bridgeport, CT

Average visibility in December - Bridgeport, 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).

Bridgeport, Connecticut, USA

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