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January Weather in Arnstein, Germany

Last updated: August 23, 2025

In Arnstein, Germany, the average temperature in January hovers around 1°C (35°F). While cold snaps can drop the mercury to a chilling -15°C (6°F), the mercury may rise to a mild 12°C (54°F) on warmer days. Expect 63 mm (2.5 in) of precipitation spread across 11 days, contributing to an average humidity of a damp 91%.

January Temperature in Arnstein

In January in Arnstein, the average temperature is 1°C (35°F). The maximum can reach 12°C (54°F), and the minimum can be as low as -15°C (6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for the chilly weather.

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

The chart illustrates January temperature patterns in Arnstein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arnstein, January typically has an average temperature of 1°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec343742495665666658514137
Data source: Temperature data for Arnstein 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 Arnstein

In Arnstein in January, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

January Precipitation Trends in Arnstein

The chart displays monthly precipitation patterns in Arnstein, 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 Arnstein, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec635773398583756947584596
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Arnstein

In Arnstein in January humidity is 91%. With an average temperature of 1°C (35°F), this humidity feels like an icy mist clinging to your skin, making every step outside a challenge as you contend with the chill and dampness that wraps around you, dampening the joy of exploration.

January Average Humidity in Arnstein

This chart illustrates the average monthly humidity levels in Arnstein, 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 Arnstein 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 Arnstein

In Arnstein 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 Arnstein, you can visit Hourly UV Index in Arnstein.

Maximum UV Index Levels in Arnstein for January

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

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

This table compares monthly weather conditions in Arnstein, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)63 mm (2.5 inches)91%low
February Weather3°C (37°F)57 mm (2.2 inches)89%moderate
March Weather5°C (42°F)73 mm (2.9 inches)87%moderate
April Weather9°C (49°F)39 mm (1.5 inches)83%high
May Weather13°C (56°F)85 mm (3.3 inches)79%very high
June Weather18°C (65°F)83 mm (3.3 inches)82%very high
July Weather19°C (66°F)75 mm (2.9 inches)83%very high
August Weather19°C (67°F)69 mm (2.7 inches)84%high
September Weather15°C (59°F)47 mm (1.9 inches)85%high
October Weather10°C (51°F)58 mm (2.3 inches)88%moderate
November Weather5°C (41°F)45 mm (1.8 inches)89%low
December Weather3°C (37°F)96 mm (3.8 inches)91%low

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