Last updated: June 24, 2025
In December, the average temperature in Greenbush, United States hovers around -10°C (14°F). Expect chilly extremes, with minimums plunging to -34°C (-28°F) and maximums reaching 6°C (43°F). During this month, rainfall is modest at 31 mm (1.2 in) over approximately 8 days, accompanied by a high average humidity of 93%, contributing to an overall brisk atmosphere.
In December in Greenbush, the average temperature is -10°C (14°F). The maximum can reach 6°C (43°F), while the minimum can drop as low as -34°C (-28°F). Travelers should be prepared for extremely cold weather and pack accordingly to ensure comfort during their stay.
In Greenbush in December, the precipitation amount is 31 mm (1.2 in) over the course of 8 days.
In Greenbush in December, humidity is 93%. With an average temperature of -10°C (14°F), this humidity feels like an invisible weight on your skin, making every breath feel thick and heavy, while the cold air bites sharply, creating a contrasting and uncomfortable chill that can make traveling outdoors feel like a daunting challenge.
In Greenbush 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 Greenbush, you can visit Hourly UV Index in Greenbush.
UV Risk Categories
Weather in Greenbush varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Greenbush, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -14°C (8°F) | 18 mm (0.7 inches) | 94% | low |
| February Weather | -15°C (6°F) | 21 mm (0.8 inches) | 91% | moderate |
| March Weather | -4°C (25°F) | 24 mm (0.9 inches) | 90% | moderate |
| April Weather | 3°C (37°F) | 34 mm (1.3 inches) | 81% | high |
| May Weather | 12°C (54°F) | 57 mm (2.2 inches) | 74% | very high |
| June Weather | 19°C (66°F) | 87 mm (3.4 inches) | 75% | very high |
| July Weather | 21°C (70°F) | 75 mm (2.9 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 72 mm (2.9 inches) | 77% | very high |
| September Weather | 14°C (57°F) | 79 mm (3.1 inches) | 75% | high |
| October Weather | 5°C (42°F) | 81 mm (3.2 inches) | 78% | moderate |
| November Weather | -4°C (25°F) | 30 mm (1.2 inches) | 87% | low |
| December Weather | -10°C (14°F) | 31 mm (1.2 inches) | 93% | low |