Last updated: August 23, 2025
In December, the average temperature in Gross-Umstadt, Germany hovers around 3°C (38°F), making for a crisp atmosphere. Expect minimums to dip to -6°C (21°F), while highs can reach up to 14°C (57°F). This month also brings 123 mm (4.8 in) of precipitation spread over 18 days, contributing to an average humidity level of 91%. Be prepared for a damp and chilly experience!
In December in Gross-Umstadt, the average temperature is 3°C (38°F). Maximum can reach 14°C (57°F) and the minimum can be as low as -6°C (21°F). It's advisable to pack warm clothing if you plan to visit during this time.
In Gross-Umstadt in December, the precipitation amount is 123 mm (4.8 in) spread over 18 days.
In Gross-Umstadt in December humidity is 91%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating layered clothing to stay warm and dry during your travels.
In Gross-Umstadt 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 Gross-Umstadt.
UV Risk Categories
Weather in Gross-Umstadt varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gross-Umstadt, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 75 mm (2.9 inches) | 91% | low |
| February Weather | 3°C (39°F) | 68 mm (2.7 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 90 mm (3.5 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 40 mm (1.6 inches) | 83% | high |
| May Weather | 14°C (57°F) | 94 mm (3.7 inches) | 79% | very high |
| June Weather | 19°C (66°F) | 94 mm (3.7 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 75 mm (3.0 inches) | 83% | very high |
| August Weather | 20°C (68°F) | 70 mm (2.7 inches) | 84% | high |
| September Weather | 15°C (60°F) | 56 mm (2.2 inches) | 85% | high |
| October Weather | 11°C (52°F) | 71 mm (2.8 inches) | 88% | moderate |
| November Weather | 6°C (42°F) | 55 mm (2.2 inches) | 89% | low |
| December Weather | 3°C (38°F) | 123 mm (4.8 inches) | 91% | low |