Last updated: June 24, 2025
In December, the average temperature in Bridgeport, United States hovers around 4°C (39°F), making it a chilly time of year. Temperatures can swing from a brisk -14°C (7°F) on the cooler side to a mild 20°C (69°F) at their peak. Be prepared for some rain, with a total precipitation of 127 mm (5.0 in) spread across 14 days, and expect a high average humidity of 86%, which adds to the dampness of the season.
In December in Bridgeport, the average temperature is 4°C (39°F). The maximum can reach 20°C (69°F), while the minimum can drop as low as -14°C (7°F). Be prepared for a wide range of temperatures if you're traveling to Bridgeport this month.
In Bridgeport in December, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.
In Bridgeport in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.
In Bridgeport in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Bridgeport, you can check the information here.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 97 mm (3.8 inches) | 88% | moderate |
| February Weather | 4°C (39°F) | 148 mm (5.8 inches) | 88% | moderate |
| March Weather | 7°C (45°F) | 117 mm (4.6 inches) | 88% | high |
| April Weather | 12°C (54°F) | 147 mm (5.8 inches) | 86% | very high |
| May Weather | 18°C (64°F) | 159 mm (6.3 inches) | 82% | very high |
| June Weather | 21°C (70°F) | 155 mm (6.1 inches) | 84% | very high |
| July Weather | 24°C (75°F) | 129 mm (5.1 inches) | 82% | very high |
| August Weather | 23°C (73°F) | 124 mm (4.9 inches) | 73% | very high |
| September Weather | 20°C (68°F) | 114 mm (4.5 inches) | 73% | very high |
| October Weather | 15°C (59°F) | 114 mm (4.5 inches) | 81% | high |
| November Weather | 7°C (44°F) | 85 mm (3.3 inches) | 89% | moderate |
| December Weather | 4°C (39°F) | 127 mm (5.0 inches) | 86% | moderate |