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January Weather in Clausthal-Zellerfeld, Germany

Last updated: August 23, 2025

In January, the average temperature in Clausthal-Zellerfeld, Germany hovers around 1°C (34°F). Expect chilly days when temperatures can drop to a brisk -18°C (0°F), while the mercury may rise to a mild 12°C (54°F). Be prepared for 73 mm (2.9 in) of precipitation over approximately 13 days, and don’t forget to bring a scarf, as the average humidity is a high 91%!

January Temperature in Clausthal-Zellerfeld

In January in Clausthal-Zellerfeld, the average temperature is 1°C (34°F). The maximum can reach 12°C (54°F), while the minimum can drop to as low as -18°C (0°F). Be prepared for a chill and pack accordingly if you plan to travel during this time!

January Weather in Clausthal-Zellerfeld: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Clausthal-Zellerfeld, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clausthal-Zellerfeld, January typically has an average temperature of 1°C (34°F), with highs reaching up to 12°C (54°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec343540465463646457504137
Data source: Temperature data for Clausthal-Zellerfeld 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.

January Precipitation in Clausthal-Zellerfeld

In Clausthal-Zellerfeld in January, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.

January Precipitation Trends in Clausthal-Zellerfeld

The chart displays monthly precipitation patterns in Clausthal-Zellerfeld, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Clausthal-Zellerfeld, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec737273447181867458794980
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Clausthal-Zellerfeld

In Clausthal-Zellerfeld in January, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.

January Average Humidity in Clausthal-Zellerfeld

This chart illustrates the average monthly humidity levels in Clausthal-Zellerfeld, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Clausthal-Zellerfeld is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Clausthal-Zellerfeld

In Clausthal-Zellerfeld in January, 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 Clausthal-Zellerfeld.

Maximum UV Index Levels in Clausthal-Zellerfeld for January

The chart shows the monthly maximum UV Index (UVI) for Clausthal-Zellerfeld in January, 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 January, the maximum UV index in Clausthal-Zellerfeld typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: Clausthal-Zellerfeld January 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 January Weather in Clausthal-Zellerfeld Compares to Other Months

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

This table compares monthly weather conditions in Clausthal-Zellerfeld, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)73 mm (2.9 inches)91%low
February Weather2°C (35°F)72 mm (2.8 inches)90%low
March Weather4°C (40°F)73 mm (2.9 inches)88%moderate
April Weather8°C (47°F)44 mm (1.7 inches)83%moderate
May Weather12°C (54°F)71 mm (2.8 inches)75%high
June Weather17°C (64°F)81 mm (3.2 inches)79%very high
July Weather18°C (64°F)86 mm (3.4 inches)79%very high
August Weather18°C (65°F)74 mm (2.9 inches)79%high
September Weather14°C (57°F)58 mm (2.3 inches)83%high
October Weather10°C (51°F)78 mm (3.1 inches)87%moderate
November Weather5°C (42°F)49 mm (1.9 inches)90%low
December Weather3°C (37°F)80 mm (3.1 inches)92%low

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