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December Weather in Grasberg, Germany

Last updated: August 23, 2025

In December, the average temperature in Grasberg, Germany hovers around 4°C (40°F). Be prepared for chilly conditions, as temperatures can dip to a brisk -11°C (13°F), while the warmer days can reach up to 13°C (56°F). Precipitation is fairly common, with about 75 mm (2.9 in) expected over 15 days, and the air carries a significant average humidity of 90%. Dress warmly and stay cozy!

December Temperature in Grasberg

In December in Grasberg, the average temperature is 4°C (40°F). Maximums can reach 13°C (56°F), and minimums can be as low as -11°C (13°F). Travelers should be prepared for chilly weather and bring appropriate clothing for potential temperature swings.

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

The chart illustrates December temperature patterns in Grasberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grasberg, December typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (56°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec383942485564656559534440
Data source: Temperature data for Grasberg generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Grasberg

In Grasberg in December, the precipitation amount is 75 mm (2.9 in) over a span of 15 days.

December Precipitation Trends in Grasberg

The chart displays monthly precipitation patterns in Grasberg, 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 Grasberg, December typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec635965566678787354875075
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Grasberg

In Grasberg in December humidity is 90%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothes, making even short excursions outside seem uncomfortable and uninviting.

December Average Humidity in Grasberg

This chart illustrates the average monthly humidity levels in Grasberg, 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 Grasberg is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%73%66%66%67%81%86%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Grasberg

In Grasberg 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 Grasberg.

Maximum UV Index Levels in Grasberg for December

The chart shows the monthly maximum UV Index (UVI) for Grasberg 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 Grasberg typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578775321
Data source: Grasberg 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 Grasberg Compares to Other Months

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

This table compares monthly weather conditions in Grasberg, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)63 mm (2.5 inches)91%low
February Weather4°C (39°F)59 mm (2.3 inches)89%low
March Weather6°C (43°F)65 mm (2.6 inches)87%moderate
April Weather9°C (49°F)56 mm (2.2 inches)82%moderate
May Weather13°C (56°F)66 mm (2.6 inches)73%high
June Weather18°C (65°F)78 mm (3.1 inches)66%very high
July Weather18°C (65°F)78 mm (3.1 inches)66%high
August Weather19°C (66°F)73 mm (2.9 inches)67%high
September Weather15°C (59°F)54 mm (2.1 inches)81%moderate
October Weather12°C (53°F)87 mm (3.4 inches)86%moderate
November Weather7°C (44°F)50 mm (2.0 inches)90%low
December Weather4°C (40°F)75 mm (2.9 inches)90%low

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