Last updated: June 24, 2025
In Hallowell, United States, the average temperature in December hovers around -3°C (28°F), with extremes that can drop to a chilly -27°C (-16°F) or rise to a mild 15°C (60°F). Precipitation typically accumulates to 116 mm (4.6 in) over the course of 11 days, and residents experience an average humidity level of around 84%. Prepare for a month of significant temperature variation and damp conditions!
In December in Hallowell, the average temperature is -3°C (28°F). Maximums can reach 15°C (60°F) and minimums can drop as low as -27°C (-16°F). Travelers should prepare for a wide range of temperatures and dress accordingly to enjoy their visit comfortably.
In Hallowell in December, the precipitation amount is 116 mm (4.6 in) over the course of 11 days.
In Hallowell in December, humidity is 84%. With an average temperature of -3°C (28°F), this humidity feels like an icy embrace that clings uncomfortably, making travel challenging as it cuts through layers of clothing and creates an unsettling chill that dampens the spirit of exploration.
In Hallowell 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 Hallowell, you can visit Hourly UV Index in Hallowell.
UV Risk Categories
Weather in Hallowell varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hallowell, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (24°F) | 84 mm (3.3 inches) | 88% | low |
| February Weather | -4°C (25°F) | 83 mm (3.3 inches) | 88% | moderate |
| March Weather | 0°C (32°F) | 71 mm (2.8 inches) | 85% | moderate |
| April Weather | 7°C (44°F) | 117 mm (4.6 inches) | 81% | high |
| May Weather | 13°C (55°F) | 78 mm (3.1 inches) | 76% | very high |
| June Weather | 19°C (66°F) | 63 mm (2.5 inches) | 74% | very high |
| July Weather | 22°C (71°F) | 110 mm (4.3 inches) | 74% | very high |
| August Weather | 21°C (70°F) | 77 mm (3.0 inches) | 74% | very high |
| September Weather | 17°C (63°F) | 72 mm (2.8 inches) | 77% | high |
| October Weather | 11°C (52°F) | 127 mm (5.0 inches) | 82% | moderate |
| November Weather | 3°C (38°F) | 106 mm (4.2 inches) | 85% | moderate |
| December Weather | -3°C (28°F) | 116 mm (4.6 inches) | 84% | low |