Last updated: June 24, 2025
In December, the average temperature in Germantown, United States hovers around 0°C (31°F), with a minimum dipping to a chilling -19°C (-1°F) and reaching a maximum of a mild 17°C (62°F). During this month, you can expect 97 mm (3.8 in) of precipitation over approximately 10 days, accompanied by an average humidity of 84%. Prepare for a varied climate as you explore this captivating destination!
In December in Germantown, the average temperature is 0°C (31°F), with a maximum that can reach 17°C (62°F) and a minimum that can drop as low as -19°C (-1°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort throughout the day.
In Germantown in December, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.
In Germantown in December humidity is 84%. With an average temperature of 0°C (31°F), this humidity feels like a cold, damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the thick air.
In Germantown 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 Germantown, you can visit Hourly UV Index in Germantown.
UV Risk Categories
Weather in Germantown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Germantown, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (27°F) | 71 mm (2.8 inches) | 89% | moderate |
| February Weather | -2°C (29°F) | 88 mm (3.4 inches) | 88% | moderate |
| March Weather | 2°C (35°F) | 81 mm (3.2 inches) | 86% | high |
| April Weather | 8°C (47°F) | 139 mm (5.5 inches) | 84% | very high |
| May Weather | 14°C (58°F) | 118 mm (4.6 inches) | 76% | very high |
| June Weather | 19°C (67°F) | 111 mm (4.4 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 168 mm (6.6 inches) | 66% | very high |
| August Weather | 21°C (70°F) | 141 mm (5.5 inches) | 64% | very high |
| September Weather | 18°C (64°F) | 109 mm (4.3 inches) | 72% | very high |
| October Weather | 12°C (54°F) | 147 mm (5.8 inches) | 81% | high |
| November Weather | 4°C (39°F) | 97 mm (3.8 inches) | 87% | moderate |
| December Weather | 0°C (31°F) | 97 mm (3.8 inches) | 84% | low |