Last updated: June 24, 2025
In December, the average temperature in Millinocket, United States hovers around -6°C (22°F). Expect a wide range, with minimums dropping to -25°C (-13°F) and maximums reaching 14°C (58°F). During this month, precipitation totals about 122 mm (4.8 in) over approximately 10 days, contributing to an average humidity of 84%. Prepare for a chilly and wet experience!
In December in Millinocket, the average temperature is -6°C (22°F), with maximums reaching 14°C (58°F) and minimums dropping as low as -25°C (-13°F). Be prepared for a wide range of temperatures when traveling to Millinocket during this time.
In Millinocket in December, the total precipitation amount reaches 122 mm (4.8 in) over the course of 10 days.
In Millinocket in December humidity is 84%. With an average temperature of -6°C (22°F), this humidity feels like an unpleasant chill that seeps into your bones, making travel feel much more uncomfortable and harsh than the temperature alone suggests.
In Millinocket 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 Millinocket, you can visit Hourly UV Index in Millinocket.
UV Risk Categories
Weather in Millinocket varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Millinocket, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 97 mm (3.8 inches) | 88% | low |
| February Weather | -7°C (19°F) | 89 mm (3.5 inches) | 88% | moderate |
| March Weather | -3°C (27°F) | 81 mm (3.2 inches) | 85% | moderate |
| April Weather | 4°C (39°F) | 132 mm (5.2 inches) | 81% | high |
| May Weather | 11°C (52°F) | 101 mm (4.0 inches) | 76% | very high |
| June Weather | 17°C (62°F) | 83 mm (3.3 inches) | 74% | very high |
| July Weather | 20°C (68°F) | 100 mm (3.9 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 89 mm (3.5 inches) | 74% | very high |
| September Weather | 15°C (59°F) | 93 mm (3.7 inches) | 77% | high |
| October Weather | 8°C (47°F) | 135 mm (5.3 inches) | 82% | moderate |
| November Weather | 1°C (33°F) | 120 mm (4.7 inches) | 85% | moderate |
| December Weather | -6°C (22°F) | 122 mm (4.8 inches) | 84% | low |