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January Weather in Ruelzheim, Germany

Last updated: August 23, 2025

In January, the average temperature in Ruelzheim, Germany hovers around 3°C (37°F). Be prepared for chilly spells, as temperatures can dip to a minimum of -11°C (12°F), while the mercury may rise to a maximum of 14°C (57°F). With an average humidity level of 91% and approximately 59 mm (2.3 in) of precipitation spread over 12 days, you might want to keep an umbrella handy during your visit!

January Temperature in Ruelzheim

In January in Ruelzheim, the average temperature is 3°C (37°F), with maximums reaching 14°C (57°F) and minimums dipping as low as -11°C (12°F). Be sure to pack warm clothing if you're planning to visit, as temperatures can vary significantly.

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

The chart illustrates January temperature patterns in Ruelzheim, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruelzheim, January typically has an average temperature of 3°C (37°F), with highs reaching up to 14°C (57°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec374045515868706962534339
Data source: Temperature data for Ruelzheim 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 Ruelzheim

In Ruelzheim in January, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.

January Precipitation Trends in Ruelzheim

The chart displays monthly precipitation patterns in Ruelzheim, 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 Ruelzheim, January typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec595864317470655746594994
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Ruelzheim

In Ruelzheim in January, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.

January Average Humidity in Ruelzheim

This chart illustrates the average monthly humidity levels in Ruelzheim, 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 Ruelzheim is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%83%79%82%83%84%86%88%89%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Ruelzheim

In Ruelzheim in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ruelzheim, you can visit Hourly UV Index in Ruelzheim.

Maximum UV Index Levels in Ruelzheim for January

The chart shows the monthly maximum UV Index (UVI) for Ruelzheim 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 Ruelzheim typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Ruelzheim 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 Ruelzheim Compares to Other Months

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

This table compares monthly weather conditions in Ruelzheim, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)59 mm (2.3 inches)91%low
February Weather5°C (40°F)58 mm (2.3 inches)89%moderate
March Weather7°C (45°F)63 mm (2.5 inches)87%moderate
April Weather11°C (52°F)31 mm (1.2 inches)83%high
May Weather14°C (58°F)74 mm (2.9 inches)79%very high
June Weather20°C (68°F)70 mm (2.7 inches)82%very high
July Weather21°C (70°F)65 mm (2.5 inches)83%very high
August Weather21°C (70°F)57 mm (2.3 inches)84%high
September Weather16°C (62°F)46 mm (1.8 inches)85%high
October Weather12°C (54°F)59 mm (2.3 inches)88%moderate
November Weather6°C (43°F)49 mm (1.9 inches)89%low
December Weather4°C (40°F)94 mm (3.7 inches)91%low

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