Last updated: June 24, 2025
In December, the average temperature in Gouldsboro, United States hovers around -1°C (31°F). Expect chilly conditions with a minimum temperature that can plummet to -21°C (-5°F) and a maximum of 15°C (59°F). The region sees substantial precipitation, averaging 135 mm (5.3 in) over about 12 days. With an average humidity of 84%, it’s wise to prepare for a damp and frosty experience!
In December, Gouldsboro experiences an average temperature of -1°C (31°F), with maximums reaching up to 15°C (59°F) and minimums plummeting as low as -21°C (-5°F). This wide range of temperatures makes it essential for travelers to pack layers to stay comfortable during their visit.
In Gouldsboro in December, the precipitation amount is 135 mm (5.3 in), occurring over the course of 12 days.
In Gouldsboro in December humidity is 84%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor excursions brisk and invigorating, yet challenging for those unaccustomed to such damp conditions.
In Gouldsboro 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 Gouldsboro, you can visit Hourly UV Index in Gouldsboro.
UV Risk Categories
Weather in Gouldsboro varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gouldsboro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 99 mm (3.9 inches) | 88% | low |
| February Weather | -3°C (27°F) | 93 mm (3.7 inches) | 88% | moderate |
| March Weather | 0°C (32°F) | 74 mm (2.9 inches) | 85% | moderate |
| April Weather | 6°C (42°F) | 127 mm (5.0 inches) | 81% | high |
| May Weather | 10°C (51°F) | 92 mm (3.6 inches) | 76% | very high |
| June Weather | 15°C (60°F) | 83 mm (3.3 inches) | 74% | very high |
| July Weather | 19°C (66°F) | 77 mm (3.0 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 73 mm (2.9 inches) | 74% | very high |
| September Weather | 16°C (61°F) | 93 mm (3.7 inches) | 77% | high |
| October Weather | 11°C (53°F) | 105 mm (4.2 inches) | 82% | moderate |
| November Weather | 5°C (41°F) | 130 mm (5.1 inches) | 85% | moderate |
| December Weather | -1°C (31°F) | 135 mm (5.3 inches) | 84% | low |