Last updated: August 23, 2025
In Alzenau in Unterfranken, Germany, the weather in December is characterized by an average temperature of 4°C (39°F). During this time, temperatures can dip as low as -6°C (21°F) and reach a maximum of 14°C (58°F). You can expect about 112 mm (4.4 in) of precipitation spread over 18 days, coupled with a high average humidity of 91%.
In December in Alzenau in Unterfranken, the average temperature is 4°C (39°F). The maximum can reach 14°C (58°F), while the minimum can drop to as low as -6°C (21°F). Be prepared for a mix of chilly weather and occasional mild days while planning your travels.
In Alzenau in Unterfranken in December, the precipitation amount is 112 mm (4.4 in) over a span of 18 days.
In Alzenau in Unterfranken in December, humidity is 91%. 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 forcing travelers to bundle up tightly against the cold, sticky air.
In Alzenau in Unterfranken 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 Alzenau in Unterfranken.
UV Risk Categories
Weather in Alzenau in Unterfranken varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Alzenau in Unterfranken, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 72 mm (2.9 inches) | 91% | low |
| February Weather | 4°C (39°F) | 64 mm (2.5 inches) | 89% | moderate |
| March Weather | 6°C (44°F) | 83 mm (3.3 inches) | 87% | moderate |
| April Weather | 10°C (51°F) | 39 mm (1.5 inches) | 83% | moderate |
| May Weather | 14°C (57°F) | 78 mm (3.1 inches) | 79% | very high |
| June Weather | 19°C (67°F) | 80 mm (3.1 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 66 mm (2.6 inches) | 83% | very high |
| August Weather | 20°C (69°F) | 58 mm (2.3 inches) | 84% | high |
| September Weather | 16°C (61°F) | 48 mm (1.9 inches) | 85% | moderate |
| October Weather | 11°C (52°F) | 66 mm (2.6 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 54 mm (2.1 inches) | 89% | low |
| December Weather | 4°C (39°F) | 112 mm (4.4 inches) | 91% | low |