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January Weather in Wilhelmshaven, Germany

Last updated: August 23, 2025

In Wilhelmshaven, Germany, the average temperature in January hovers around 4°C (39°F), with lows dipping to a chilly -9°C (16°F) and highs peaking at a mild 14°C (57°F). Expect 62 mm (2.4 in) of precipitation spread across 13 days, contributing to an average humidity level of an impressive 91%.

January Temperature in Wilhelmshaven

In January in Wilhelmshaven, the average temperature is 4°C (39°F), with a maximum that can reach 14°C (57°F) and a minimum that can drop as low as -9°C (16°F). This month is ideal for travelers who enjoy cool weather and are prepared for chilly conditions.

January Weather in Wilhelmshaven: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Wilhelmshaven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilhelmshaven, January typically has an average temperature of 4°C (39°F), with highs reaching up to 14°C (57°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec393942475463646558534540
Data source: Temperature data for Wilhelmshaven 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 Wilhelmshaven

In Wilhelmshaven in January, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.

January Precipitation Trends in Wilhelmshaven

The chart displays monthly precipitation patterns in Wilhelmshaven, 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 Wilhelmshaven, January typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec625765485979878556855474
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Wilhelmshaven

In Wilhelmshaven in January, humidity is 91%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and forcing travelers to bundle up tightly against the cold, sticky air.

January Average Humidity in Wilhelmshaven

This chart illustrates the average monthly humidity levels in Wilhelmshaven, 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 Wilhelmshaven is approximately 91%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Wilhelmshaven

In Wilhelmshaven 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 Wilhelmshaven.

Maximum UV Index Levels in Wilhelmshaven for January

The chart shows the monthly maximum UV Index (UVI) for Wilhelmshaven 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 Wilhelmshaven typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Wilhelmshaven 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 Wilhelmshaven Compares to Other Months

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

This table compares monthly weather conditions in Wilhelmshaven, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)62 mm (2.4 inches)91%low
February Weather4°C (39°F)57 mm (2.2 inches)89%low
March Weather6°C (42°F)65 mm (2.6 inches)87%moderate
April Weather9°C (48°F)48 mm (1.9 inches)82%moderate
May Weather12°C (55°F)59 mm (2.3 inches)73%high
June Weather17°C (63°F)79 mm (3.1 inches)66%very high
July Weather18°C (64°F)87 mm (3.4 inches)66%high
August Weather18°C (65°F)84 mm (3.3 inches)67%high
September Weather15°C (59°F)56 mm (2.2 inches)81%moderate
October Weather12°C (53°F)85 mm (3.4 inches)86%moderate
November Weather7°C (45°F)54 mm (2.1 inches)90%low
December Weather5°C (41°F)74 mm (2.9 inches)90%low

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