Last updated: June 24, 2025
In December, the average temperature in Port Norris, United States hovers around 6°C (42°F), with a chilly minimum dipping to -9°C (16°F) and a pleasant maximum reaching 18°C (65°F). Expect 106 mm (4.2 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 84%. Prepare for a mix of cool days and occasional rain!
In December in Port Norris, the average temperature is 6°C (42°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -9°C (16°F). Be prepared for a cool climate with a mix of mild days and chilly nights, making it a great time for cozy indoor activities and layering up for outings.
In Port Norris in December, the precipitation amount is 106 mm (4.2 in) over a span of 10 days.
In Port Norris in December humidity is 84%. With an average temperature of 6°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making travel less enjoyable as you find yourself bundled up yet still damp, longing for warmth and comfort.
In Port Norris 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 Port Norris, you can check the information here.
UV Risk Categories
Weather in Port Norris varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Norris, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 65 mm (2.6 inches) | 84% | moderate |
| February Weather | 5°C (41°F) | 101 mm (4.0 inches) | 83% | moderate |
| March Weather | 7°C (45°F) | 106 mm (4.2 inches) | 83% | high |
| April Weather | 12°C (55°F) | 94 mm (3.7 inches) | 81% | very high |
| May Weather | 17°C (63°F) | 116 mm (4.6 inches) | 78% | very high |
| June Weather | 23°C (73°F) | 83 mm (3.3 inches) | 79% | very high |
| July Weather | 26°C (79°F) | 137 mm (5.4 inches) | 74% | very high |
| August Weather | 25°C (77°F) | 132 mm (5.2 inches) | 72% | very high |
| September Weather | 22°C (72°F) | 105 mm (4.1 inches) | 75% | very high |
| October Weather | 17°C (63°F) | 127 mm (5.0 inches) | 81% | high |
| November Weather | 10°C (50°F) | 78 mm (3.1 inches) | 85% | moderate |
| December Weather | 6°C (42°F) | 106 mm (4.2 inches) | 84% | moderate |