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January Weather in Altstatten, Switzerland

Last updated: August 27, 2025

In January, the average temperature in Altstatten, Switzerland hovers around 0°C (33°F). Expect chilly conditions with a minimum of -16°C (3°F) and a maximum of 13°C (55°F). Prepare for wet weather as you may encounter around 109 mm (4.3 in) of precipitation over 12 days. With an average humidity of 92%, be ready for a brisk and damp experience!

January Temperature in Altstatten

In January in Altstatten, the average temperature is 0°C (33°F). Maximums can reach 13°C (55°F), and minimums can be as low as -16°C (3°F). Be prepared for a chilly climate and pack accordingly for your travels!

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

The chart illustrates January temperature patterns in Altstatten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Altstatten, January typically has an average temperature of 0°C (33°F), with highs reaching up to 13°C (55°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec323641495665676659514236
Data source: Temperature data for Altstatten 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 Altstatten

In Altstatten in January, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

January Precipitation Trends in Altstatten

The chart displays monthly precipitation patterns in Altstatten, 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 Altstatten, January typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10983987614215214617511711873131
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Altstatten

In Altstatten in January, humidity is 92%. With an average temperature of 0°C (33°F), this humidity feels like wrapping yourself in a wet, heavy blanket, making travel uncomfortable and chilly, as the damp air penetrates your clothes and makes it challenging to stay warm and dry.

January Average Humidity in Altstatten

This chart illustrates the average monthly humidity levels in Altstatten, 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 Altstatten is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Altstatten

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

Maximum UV Index Levels in Altstatten for January

The chart shows the monthly maximum UV Index (UVI) for Altstatten 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 Altstatten typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Altstatten 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 Altstatten Compares to Other Months

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

This table compares monthly weather conditions in Altstatten, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)109 mm (4.3 inches)92%low
February Weather2°C (37°F)83 mm (3.3 inches)89%moderate
March Weather5°C (42°F)98 mm (3.8 inches)87%moderate
April Weather9°C (49°F)76 mm (3.0 inches)84%high
May Weather13°C (56°F)142 mm (5.6 inches)80%very high
June Weather18°C (65°F)152 mm (6.0 inches)82%very high
July Weather19°C (67°F)146 mm (5.7 inches)83%very high
August Weather19°C (67°F)175 mm (6.9 inches)80%very high
September Weather15°C (59°F)117 mm (4.6 inches)83%high
October Weather11°C (51°F)118 mm (4.7 inches)90%moderate
November Weather5°C (42°F)73 mm (2.9 inches)88%moderate
December Weather2°C (36°F)131 mm (5.2 inches)90%low

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