Last updated: June 24, 2025
In December, the average temperature in Kennebec, United States hovers around -3°C (26°F), but brace yourself for extremes—temperatures can plummet to a chilling -27°C (-17°F) or soar to a surprisingly mild 20°C (67°F). Expect a precipitation of about 29 mm (1.1 in) spread over approximately 4 days, while the air remains quite humid with an average humidity of 79%. Stay prepared for a variety of weather conditions!
In December in Kennebec, the average temperature is -3°C (26°F), with maximum temperatures reaching 20°C (67°F) and minimums dropping as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures, so dressing in layers is highly advisable.
In Kennebec in December, the precipitation amount is 29 mm (1.1 in) over a span of 4 days.
In Kennebec in December, humidity is 79%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making outdoor exploration brisk and invigorating, yet challenging for those unaccustomed to the cold dampness.
In Kennebec 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 Kennebec, you can visit Hourly UV Index in Kennebec.
UV Risk Categories
Weather in Kennebec varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Kennebec, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 17 mm (0.7 inches) | 77% | low |
| February Weather | -7°C (19°F) | 20 mm (0.8 inches) | 81% | moderate |
| March Weather | 1°C (35°F) | 44 mm (1.8 inches) | 71% | moderate |
| April Weather | 7°C (44°F) | 57 mm (2.2 inches) | 75% | high |
| May Weather | 15°C (59°F) | 81 mm (3.2 inches) | 74% | very high |
| June Weather | 23°C (73°F) | 76 mm (3.0 inches) | 82% | very high |
| July Weather | 25°C (78°F) | 78 mm (3.1 inches) | 84% | very high |
| August Weather | 23°C (74°F) | 53 mm (2.1 inches) | 82% | very high |
| September Weather | 19°C (66°F) | 62 mm (2.4 inches) | 75% | very high |
| October Weather | 9°C (48°F) | 53 mm (2.1 inches) | 72% | moderate |
| November Weather | 2°C (36°F) | 12 mm (0.5 inches) | 81% | moderate |
| December Weather | -3°C (26°F) | 29 mm (1.1 inches) | 79% | low |