Last updated: June 24, 2025
In December, the average temperature in Port Austin, United States hovers around 0°C (32°F). Expect temperature variations, with a minimum of -15°C (5°F) and a maximum reaching up to 15°C (59°F). During this month, precipitation totals around 66 mm (2.6 in) over 12 days, coupled with an average humidity of 86%, creating a crisp and damp atmosphere.
In December in Port Austin, the average temperature is 0°C (32°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -15°C (5°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Port Austin in December, the precipitation amount is 66 mm (2.6 in) over the course of 12 days.
In Port Austin in December humidity is 86%. With an average temperature of 0°C (32°F), this humidity feels like a biting chill that seeps into your bones, making travel feel uncomfortable and damp, as the cold air combines with the moisture to create a brisk sensation that may deter outdoor exploration.
In Port Austin in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Port Austin, you can visit Hourly UV Index in Port Austin.
UV Risk Categories
Weather in Port Austin varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Austin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 62 mm (2.5 inches) | 88% | low |
| February Weather | -3°C (26°F) | 63 mm (2.5 inches) | 87% | moderate |
| March Weather | 0°C (33°F) | 59 mm (2.3 inches) | 85% | moderate |
| April Weather | 5°C (41°F) | 89 mm (3.5 inches) | 86% | very high |
| May Weather | 11°C (53°F) | 85 mm (3.3 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 97 mm (3.8 inches) | 80% | very high |
| July Weather | 22°C (71°F) | 76 mm (3.0 inches) | 80% | very high |
| August Weather | 21°C (71°F) | 75 mm (3.0 inches) | 80% | very high |
| September Weather | 18°C (64°F) | 82 mm (3.2 inches) | 80% | high |
| October Weather | 12°C (53°F) | 110 mm (4.3 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 71 mm (2.8 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 66 mm (2.6 inches) | 86% | low |