Last updated: August 23, 2025
In December, the average temperature in Nieheim, Germany hovers around 4°C (39°F). Expect the mercury to dip as low as -7°C (19°F) and rise to a pleasant 14°C (57°F). During this month, you'll likely encounter 92 mm (3.6 in) of precipitation spread across 17 rainy days, contributing to a notably high average humidity of 92%.
In December in Nieheim, the average temperature is 4°C (39°F), with maximums reaching up to 14°C (57°F) and minimums dropping as low as -7°C (19°F). This chilly weather makes it essential to pack warm clothing if you plan to explore Nieheim during this time.
In Nieheim in December, the precipitation amount is 92 mm (3.6 in) spread over 17 days.
In Nieheim in December humidity is 92%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel feel burdensome as you navigate through the thick, muggy air.
In Nieheim in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Nieheim.
UV Risk Categories
Weather in Nieheim varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nieheim, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 78 mm (3.1 inches) | 92% | low |
| February Weather | 3°C (38°F) | 79 mm (3.1 inches) | 90% | low |
| March Weather | 5°C (42°F) | 81 mm (3.2 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 46 mm (1.8 inches) | 83% | moderate |
| May Weather | 13°C (55°F) | 72 mm (2.8 inches) | 76% | high |
| June Weather | 18°C (64°F) | 75 mm (3.0 inches) | 74% | very high |
| July Weather | 18°C (65°F) | 102 mm (4.0 inches) | 74% | very high |
| August Weather | 18°C (65°F) | 84 mm (3.3 inches) | 75% | high |
| September Weather | 14°C (58°F) | 62 mm (2.5 inches) | 82% | moderate |
| October Weather | 11°C (52°F) | 84 mm (3.3 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 53 mm (2.1 inches) | 90% | low |
| December Weather | 4°C (39°F) | 92 mm (3.6 inches) | 92% | low |