Last updated: June 24, 2025
In December, the average temperature in Potsdam, United States hovers around -3°C (27°F). However, be prepared for extremes, as temperatures can plummet to a minimum of -29°C (-20°F) or soar to a maximum of 17°C (62°F). During this month, expect about 89 mm (3.5 in) of precipitation over approximately 14 days, with humidity levels averaging a brisk 89%.
In December in Potsdam, the average temperature is -3°C (27°F), with maximums reaching 17°C (62°F) and minimums plummeting to as low as -29°C (-20°F). Travelers should be prepared for a wide range of temperatures, ensuring they dress in layers to stay comfortable during their visit.
In Potsdam in December, the precipitation amount is 89 mm (3.5 in) over a span of 14 days.
In Potsdam in December, humidity is 89%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and breath a visible frost as you navigate through the wintery landscape.
In Potsdam 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 Potsdam, you can visit Hourly UV Index in Potsdam.
UV Risk Categories
Weather in Potsdam varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Potsdam, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (20°F) | 88 mm (3.5 inches) | 93% | low |
| February Weather | -5°C (23°F) | 85 mm (3.3 inches) | 93% | moderate |
| March Weather | -1°C (31°F) | 88 mm (3.5 inches) | 86% | moderate |
| April Weather | 7°C (44°F) | 123 mm (4.8 inches) | 82% | very high |
| May Weather | 14°C (57°F) | 109 mm (4.3 inches) | 75% | very high |
| June Weather | 19°C (66°F) | 99 mm (3.9 inches) | 68% | very high |
| July Weather | 22°C (72°F) | 113 mm (4.5 inches) | 69% | very high |
| August Weather | 21°C (70°F) | 98 mm (3.8 inches) | 67% | very high |
| September Weather | 17°C (62°F) | 72 mm (2.8 inches) | 72% | high |
| October Weather | 10°C (51°F) | 144 mm (5.7 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 112 mm (4.4 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 89 mm (3.5 inches) | 89% | low |