Last updated: August 23, 2025
In December, the average temperature in Grossharthau, Germany hovers around 2°C (36°F). Expect chilly days, with temperatures dipping as low as -11°C (12°F) and occasionally reaching a maximum of 12°C (54°F). Be prepared for 73 mm (2.9 in) of precipitation spread over 15 days, contributing to an average humidity level of a high 92%. Keep your coat handy!
In December in Grossharthau, the average temperature is 2°C (36°F), with maximums reaching 12°C (54°F) and minimums dropping as low as -11°C (12°F). Visitors should be prepared for chilly weather and varying temperatures during their travels.
In Grossharthau in December, the precipitation amount is 73 mm (2.9 in) over the course of 15 days.
In Grossharthau in December humidity is 92%. With an average temperature of 2°C (36°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.
In Grossharthau 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 Grossharthau.
UV Risk Categories
Weather in Grossharthau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grossharthau, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 66 mm (2.6 inches) | 90% | low |
| February Weather | 2°C (35°F) | 57 mm (2.2 inches) | 89% | low |
| March Weather | 4°C (40°F) | 59 mm (2.3 inches) | 87% | moderate |
| April Weather | 8°C (48°F) | 37 mm (1.5 inches) | 81% | moderate |
| May Weather | 13°C (55°F) | 75 mm (3.0 inches) | 71% | high |
| June Weather | 18°C (65°F) | 71 mm (2.8 inches) | 75% | very high |
| July Weather | 19°C (66°F) | 72 mm (2.8 inches) | 74% | very high |
| August Weather | 19°C (67°F) | 96 mm (3.8 inches) | 76% | high |
| September Weather | 14°C (58°F) | 70 mm (2.8 inches) | 81% | high |
| October Weather | 10°C (51°F) | 70 mm (2.7 inches) | 85% | moderate |
| November Weather | 5°C (42°F) | 45 mm (1.8 inches) | 88% | low |
| December Weather | 2°C (36°F) | 73 mm (2.9 inches) | 92% | low |