Last updated: June 24, 2025
In December, the average temperature in Greilickville, United States hovers around -1°C (30°F). Expect chilly conditions, with minimums plummeting to -17°C (2°F) and maximums peaking at 15°C (59°F). This month brings 71 mm (2.8 in) of precipitation spread over 15 days, contributing to a notable average humidity of 87%.
In December in Greilickville, the average temperature is -1°C (30°F), with maximums reaching 15°C (59°F) and minimums plummeting to as low as -17°C (2°F). Be sure to pack warm layers and prepare for a range of temperatures when planning your visit.
In Greilickville in December, the precipitation amount reaches 71 mm (2.8 in) over the course of 15 days.
In Greilickville in December, humidity is 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.
In Greilickville 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 Greilickville, you can visit Hourly UV Index in Greilickville.
UV Risk Categories
Weather in Greilickville varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Greilickville, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 55 mm (2.2 inches) | 91% | low |
| February Weather | -5°C (24°F) | 60 mm (2.3 inches) | 91% | moderate |
| March Weather | 0°C (32°F) | 60 mm (2.4 inches) | 87% | moderate |
| April Weather | 5°C (42°F) | 98 mm (3.8 inches) | 87% | high |
| May Weather | 13°C (55°F) | 117 mm (4.6 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 107 mm (4.2 inches) | 79% | very high |
| July Weather | 21°C (71°F) | 105 mm (4.1 inches) | 75% | very high |
| August Weather | 20°C (69°F) | 91 mm (3.6 inches) | 76% | very high |
| September Weather | 17°C (62°F) | 81 mm (3.2 inches) | 79% | high |
| October Weather | 10°C (51°F) | 127 mm (5.0 inches) | 83% | moderate |
| November Weather | 3°C (37°F) | 71 mm (2.8 inches) | 86% | moderate |
| December Weather | -1°C (30°F) | 71 mm (2.8 inches) | 87% | low |