Last updated: June 24, 2025
In December, the average temperature in Eagle River, United States hovers around -6°C (21°F). Expect lows plummeting to -27°C (-16°F), while highs can reach up to 6°C (43°F). Precipitation is not uncommon, with about 170 mm (6.7 in) falling over 21 days, contributing to an average humidity of a brisk 96%. Brace yourself for chilly conditions and damp days!
In December in Eagle River, the average temperature is -6°C (21°F). The maximum can reach 6°C (43°F), while the minimum can drop as low as -27°C (-16°F). Travelers should be well-prepared for cold weather conditions and pack accordingly.
In Eagle River in December, the precipitation amount is 170 mm (6.7 in) over the course of 21 days.
In Eagle River in December humidity is 96%. With an average temperature of -6°C (21°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek shelter from the biting cold.
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 | -10°C (14°F) | 98 mm (3.9 inches) | 94% | low |
| February Weather | -8°C (18°F) | 78 mm (3.1 inches) | 93% | low |
| March Weather | -6°C (21°F) | 82 mm (3.2 inches) | 91% | moderate |
| April Weather | 1°C (33°F) | 70 mm (2.8 inches) | 85% | moderate |
| May Weather | 6°C (43°F) | 94 mm (3.7 inches) | 88% | high |
| June Weather | 11°C (52°F) | 101 mm (4.0 inches) | 95% | high |
| July Weather | 14°C (57°F) | 113 mm (4.4 inches) | 102% | high |
| August Weather | 12°C (54°F) | 157 mm (6.2 inches) | 100% | moderate |
| September Weather | 8°C (46°F) | 162 mm (6.4 inches) | 96% | moderate |
| October Weather | 2°C (35°F) | 203 mm (8.0 inches) | 91% | low |
| November Weather | -7°C (20°F) | 143 mm (5.6 inches) | 95% | low |
| December Weather | -6°C (21°F) | 170 mm (6.7 inches) | 96% | low |