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January Weather in Roslau, Germany

Last updated: August 23, 2025

In Roslau, Germany, the average temperature in January hovers around -1°C (31°F). Expect chilly days where minimum temperatures can plummet to -23°C (-10°F) and maximums may reach up to 11°C (52°F). During this time, the region experiences 71 mm (2.8 in) of precipitation spread over 13 days, creating a humid atmosphere with an average humidity of 91%.

January Temperature in Roslau

In January in Roslau, the average temperature is -1°C (31°F). The maximum can reach 11°C (52°F), while the minimum can drop as low as -23°C (-10°F). Travelers should be prepared for cold weather and dress warmly to enjoy their visit.

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

The chart illustrates January temperature patterns in Roslau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roslau, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (52°F) and lows dropping to around -23°C (-10°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439465463646456483934
Data source: Temperature data for Roslau 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 Roslau

In Roslau in January, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

January Precipitation Trends in Roslau

The chart displays monthly precipitation patterns in Roslau, 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 Roslau, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec716276378785708760614592
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Roslau

In Roslau in January, humidity is 91%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket that clings to your skin, making travel challenging as the cold dampness seeps into your bones, leaving you chilled and uncomfortable.

January Average Humidity in Roslau

This chart illustrates the average monthly humidity levels in Roslau, 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 Roslau is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%88%84%77%82%83%84%85%88%88%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Roslau

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

Maximum UV Index Levels in Roslau for January

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

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

This table compares monthly weather conditions in Roslau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)71 mm (2.8 inches)91%low
February Weather1°C (34°F)62 mm (2.4 inches)89%moderate
March Weather4°C (39°F)76 mm (3.0 inches)88%moderate
April Weather8°C (47°F)37 mm (1.4 inches)84%high
May Weather12°C (54°F)87 mm (3.4 inches)77%very high
June Weather17°C (64°F)85 mm (3.4 inches)82%very high
July Weather18°C (64°F)70 mm (2.7 inches)83%very high
August Weather18°C (65°F)87 mm (3.4 inches)84%high
September Weather13°C (56°F)60 mm (2.3 inches)85%high
October Weather9°C (48°F)61 mm (2.4 inches)88%moderate
November Weather4°C (39°F)45 mm (1.8 inches)88%low
December Weather1°C (34°F)92 mm (3.6 inches)91%low

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