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January Weather in Altenstadt, Germany

Last updated: August 23, 2025

In January, the average temperature in Altenstadt, Germany hovers around -1°C (30°F). However, temperatures can dip as low as -25°C (-13°F) and rise to a maximum of 14°C (57°F). Expect notable precipitation, averaging 98 mm (3.8 in) over 11 days, and prepare for a high average humidity of 93%, adding to the chilly atmosphere.

January Temperature in Altenstadt

In January in Altenstadt, the average temperature is -1°C (30°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both warm clothing for the coldest days and lighter layers for milder weather.

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

The chart illustrates January temperature patterns in Altenstadt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altenstadt, January typically has an average temperature of -1°C (30°F), with highs reaching up to 14°C (57°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439465261636355483933
Data source: Temperature data for Altenstadt 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 Altenstadt

In Altenstadt in January, the precipitation amount is 98 mm (3.8 in) over the course of 11 days.

January Precipitation Trends in Altenstadt

The chart displays monthly precipitation patterns in Altenstadt, 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 Altenstadt, January typically receives around 98 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9882887816314816516912010167110
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Altenstadt

In Altenstadt in January humidity is 93%. With average temperature -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making every step outside a challenge for travelers. The damp chill seeps into your bones, and even a short stroll can feel exhausting when the air clings closely, creating an almost surreal experience that dampens spirits and slows down every adventure.

January Average Humidity in Altenstadt

This chart illustrates the average monthly humidity levels in Altenstadt, 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 Altenstadt is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Altenstadt

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

Maximum UV Index Levels in Altenstadt for January

The chart shows the monthly maximum UV Index (UVI) for Altenstadt 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 Altenstadt typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986432
Data source: Altenstadt 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 Altenstadt Compares to Other Months

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

This table compares monthly weather conditions in Altenstadt, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)98 mm (3.8 inches)93%low
February Weather1°C (34°F)82 mm (3.2 inches)89%moderate
March Weather4°C (39°F)88 mm (3.5 inches)86%moderate
April Weather8°C (46°F)78 mm (3.1 inches)83%high
May Weather11°C (52°F)163 mm (6.4 inches)78%very high
June Weather16°C (62°F)148 mm (5.8 inches)79%very high
July Weather17°C (63°F)165 mm (6.5 inches)82%very high
August Weather17°C (63°F)169 mm (6.6 inches)80%very high
September Weather13°C (55°F)120 mm (4.7 inches)83%high
October Weather9°C (48°F)101 mm (4.0 inches)90%moderate
November Weather4°C (39°F)67 mm (2.6 inches)89%moderate
December Weather1°C (33°F)110 mm (4.3 inches)90%low

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