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December Weather in Bridgeport, United States

Last updated: June 24, 2025

In Bridgeport, United States, the average temperature for December hovers around -4°C (25°F). Expect chilly days with a minimum dipping to -20°C (-3°F) and highs reaching up to 12°C (53°F). Be prepared for 79 mm (3.1 in) of precipitation spread over 9 days, and brace yourself for an average humidity of 82%, making it feel even cooler!

December Temperature in Bridgeport

In December in Bridgeport, the average temperature is -4°C (25°F), with a maximum that can reach 12°C (53°F) and a minimum that can drop as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit.

December Weather in Bridgeport: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bridgeport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bridgeport, December typically has an average temperature of -4°C (25°F), with highs reaching up to 12°C (53°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec252427354357656456443524
Data source: Temperature data for Bridgeport generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bridgeport

In Bridgeport in December, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

December Precipitation Trends in Bridgeport

The chart displays monthly precipitation patterns in Bridgeport, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bridgeport, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec11611581484118251510294879
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bridgeport

In Bridgeport in December, humidity is 82%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating warm, layered clothing to shield against the damp cold.

December Average Humidity in Bridgeport

This chart illustrates the average monthly humidity levels in Bridgeport, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bridgeport is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%84%78%64%56%44%34%41%60%81%82%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bridgeport

In Bridgeport in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Bridgeport for better planning.

Maximum UV Index Levels in Bridgeport for December

The chart shows the monthly maximum UV Index (UVI) for Bridgeport in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bridgeport typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131210754
Data source: Bridgeport December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Bridgeport Compares to Other Months

Weather in Bridgeport varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bridgeport, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bridgeport, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)116 mm (4.6 inches)85%moderate
February Weather-5°C (24°F)115 mm (4.5 inches)87%high
March Weather-3°C (27°F)81 mm (3.2 inches)84%very high
April Weather2°C (36°F)48 mm (1.9 inches)78%extreme
May Weather6°C (44°F)41 mm (1.6 inches)64%extreme
June Weather14°C (57°F)18 mm (0.7 inches)56%extreme
July Weather18°C (65°F)25 mm (1.0 inches)44%extreme
August Weather18°C (64°F)15 mm (0.6 inches)34%extreme
September Weather13°C (56°F)10 mm (0.4 inches)41%very high
October Weather6°C (44°F)29 mm (1.1 inches)60%high
November Weather2°C (35°F)48 mm (1.9 inches)81%moderate
December Weather-4°C (25°F)79 mm (3.1 inches)82%moderate

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