Last updated: June 24, 2025
In December, the average temperature in Eagle River, United States hovers around -3°C (27°F). Expect chilly conditions, with minimum temperatures plummeting to -21°C (-5°F) and peaking at 10°C (50°F). Be prepared for moisture as well, with an average precipitation of 79 mm (3.1 in) spread over 17 days and an average humidity level of 90%. Stay warm!
In December in Eagle River, the average temperature is -3°C (27°F). Maximums can reach 10°C (50°F), while minimums can drop as low as -21°C (-5°F). Be prepared for a diverse range of temperatures if you're planning to travel during this month.
In Eagle River in December, the total precipitation amount is 79 mm (3.1 in), occurring over a span of 17 days.
In Eagle River in December humidity is 90%. With an average temperature of -3°C (27°F), this humidity feels like a bitter chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to combat both the cold and the dampness in the air.
In Eagle River in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Eagle River.
UV Risk Categories
Weather in Eagle River varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Eagle River, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 50 mm (2.0 inches) | 92% | low |
| February Weather | -7°C (19°F) | 63 mm (2.5 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 50 mm (2.0 inches) | 88% | moderate |
| April Weather | 1°C (34°F) | 74 mm (2.9 inches) | 86% | high |
| May Weather | 6°C (42°F) | 63 mm (2.5 inches) | 78% | very high |
| June Weather | 9°C (49°F) | 71 mm (2.8 inches) | 74% | very high |
| July Weather | 14°C (57°F) | 71 mm (2.8 inches) | 70% | very high |
| August Weather | 17°C (62°F) | 93 mm (3.7 inches) | 71% | very high |
| September Weather | 15°C (58°F) | 96 mm (3.8 inches) | 74% | high |
| October Weather | 8°C (47°F) | 119 mm (4.7 inches) | 81% | moderate |
| November Weather | 1°C (35°F) | 76 mm (3.0 inches) | 86% | low |
| December Weather | -3°C (27°F) | 79 mm (3.1 inches) | 90% | low |