nomadseason

December Weather in Merzig, Germany

Last updated: August 23, 2025

In December, the average temperature in Merzig, Germany hovers around 4°C (39°F). Expect a chill in the air, with minimums dropping to -6°C (22°F) and maximums reaching up to 14°C (57°F). Be prepared for rain, as precipitation amounts typically reach 154 mm (6.1 in) over 20 days, all while battling an average humidity of 93%.

December Temperature in Merzig

In December in Merzig, the average temperature is 4°C (39°F), with maximums reaching up to 14°C (57°F) and minimums dipping as low as -6°C (22°F). This cool climate makes it ideal for travelers who enjoy layering up and exploring the stunning winter landscapes.

December Weather in Merzig: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Merzig, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Merzig, December typically has an average temperature of 4°C (39°F), with highs reaching up to 14°C (57°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943495665666659514239
Data source: Temperature data for Merzig generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Merzig

In Merzig in December, the total precipitation amount is 154 mm (6.1 in) over the course of 20 days.

December Precipitation Trends in Merzig

The chart displays monthly precipitation patterns in Merzig, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Merzig, December typically receives around 154 mm (6.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec87911034686807163708279154
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Merzig

In Merzig in December, humidity is 93%. With an average temperature of 4°C (39°F), this humidity feels like a damp, chilly blanket that clings to your skin, making outdoor exploration uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Merzig

This chart illustrates the average monthly humidity levels in Merzig, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Merzig is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Merzig

In Merzig 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 Merzig.

Maximum UV Index Levels in Merzig for December

The chart shows the monthly maximum UV Index (UVI) for Merzig in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Merzig typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Merzig December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Merzig Compares to Other Months

Weather in Merzig varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Merzig, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Merzig, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)87 mm (3.4 inches)91%low
February Weather4°C (39°F)91 mm (3.6 inches)90%moderate
March Weather6°C (43°F)103 mm (4.0 inches)88%moderate
April Weather10°C (50°F)46 mm (1.8 inches)84%high
May Weather13°C (56°F)86 mm (3.4 inches)81%very high
June Weather18°C (65°F)80 mm (3.1 inches)82%very high
July Weather19°C (67°F)71 mm (2.8 inches)82%very high
August Weather19°C (66°F)63 mm (2.5 inches)80%high
September Weather15°C (59°F)70 mm (2.8 inches)83%high
October Weather11°C (51°F)82 mm (3.2 inches)89%moderate
November Weather5°C (42°F)79 mm (3.1 inches)91%low
December Weather4°C (39°F)154 mm (6.1 inches)93%low

Compare Merzig's Climate with Cities Worldwide