Climate averages 1991–2020
Bridgeport weather
in December.
A cold, wet month: the 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cold month in Bridgeport: daytime highs average 5.5°C and nights cool to about 0.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 119 mm of rain on roughly 10 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 16 min on an average December day.
The nearest other city in this atlas is Norwalk (20 km away). In December its highs average 5.5°C, about as warm as Bridgeport, with 105 mm of rain.
Among the 498 cities listed in the United States, Bridgeport ranks joint 346th of 498 for the warmest December highs and joint 454th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Bridgeport is 5.1°C cooler than that mean.
From December to January, average highs fall by 2.9°C to 2.6°C, and monthly rainfall falls from 119 mm to 96 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bridgeport climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.6°C-3.8°C | -3.8°C | 96 | 9.5 | 9.610 h |
| February | 3.6°C-3.5°C | -3.5°C | 87 | 9.0 | 10.611 h |
| March | 7.5°C-0.1°C | -0.1°C | 116 | 10.6 | 11.912 h |
| April | 13.6°C5.3°C | 5.3°C | 104 | 10.9 | 13.313 h |
| May | 19.0°C10.9°C | 10.9°C | 92 | 11.5 | 14.514 h |
| June | 24.3°C16.5°C | 16.5°C | 97 | 10.9 | 15.115 h |
| July | 27.6°C20.1°C | 20.1°C | 87 | 10.2 | 14.815 h |
| August | 26.7°C19.7°C | 19.7°C | 103 | 10.2 | 13.814 h |
| September | 22.8°C16.4°C | 16.4°C | 103 | 9.1 | 12.513 h |
| October | 16.6°C10.6°C | 10.6°C | 113 | 9.4 | 11.111 h |
| November | 10.7°C4.9°C | 4.9°C | 95 | 9.0 | 9.910 h |
| December, selected | 5.5°C0.0°C | 0.0°C | 119 | 10.4 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Norwalk in DecemberUnited States · 20 kmHigh 5.5°C · Low -0.2°C · 105 mm rain
- New Haven in DecemberUnited States · 26 kmHigh 5.6°C · Low 0.0°C · 137 mm rain
- Stamford in DecemberUnited States · 32 kmHigh 5.5°C · Low -0.3°C · 105 mm rain
- Danbury in DecemberUnited States · 33 kmHigh 4.6°C · Low -2.1°C · 104 mm rain
- Waterbury in DecemberUnited States · 44 kmHigh 4.8°C · Low -2.1°C · 107 mm rain
- Greenburgh in DecemberUnited States · 57 kmHigh 5.3°C · Low -0.9°C · 103 mm rain
- New Britain in DecemberUnited States · 64 kmHigh 4.6°C · Low -2.8°C · 104 mm rain
- Yonkers in DecemberUnited States · 66 kmHigh 5.6°C · Low -1.2°C · 102 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bridgeport) is explained once on the Bridgeport year overview and on the Sources, method and limits page.