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January Weather in Knonau, Switzerland

Last updated: August 27, 2025

In January, the average temperature in Knonau, Switzerland hovers around 1°C (35°F). Expect lows of -11°C (13°F) and highs reaching up to 15°C (59°F). As the month progresses, you can anticipate 112 mm (4.4 in) of precipitation over the course of 12 days, contributing to a notable average humidity of 92%. Be prepared for a brisk, damp atmosphere!

January Temperature in Knonau

In January in Knonau, the average temperature is 1°C (35°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -11°C (13°F). Be prepared for a wide range of temperatures, making it essential to pack layered clothing for your trip.

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

The chart illustrates January temperature patterns in Knonau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Knonau, January typically has an average temperature of 1°C (35°F), with highs reaching up to 15°C (59°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505665676760524238
Data source: Temperature data for Knonau 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 Knonau

In Knonau in January, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.

January Precipitation Trends in Knonau

The chart displays monthly precipitation patterns in Knonau, 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 Knonau, January typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec112871007713714913414110512276136
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Knonau

In Knonau in January, humidity is 92%. With an average temperature of 1°C (35°F), this humidity feels like a chilly dampness that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Knonau

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

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

Maximum UV Index Levels in Knonau for January

The chart shows the monthly maximum UV Index (UVI) for Knonau 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 Knonau typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Knonau 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 Knonau Compares to Other Months

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

This table compares monthly weather conditions in Knonau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)112 mm (4.4 inches)92%low
February Weather4°C (39°F)87 mm (3.4 inches)89%moderate
March Weather6°C (43°F)100 mm (3.9 inches)87%moderate
April Weather10°C (50°F)77 mm (3.0 inches)84%high
May Weather13°C (56°F)137 mm (5.4 inches)80%very high
June Weather18°C (65°F)149 mm (5.9 inches)82%very high
July Weather20°C (68°F)134 mm (5.3 inches)83%very high
August Weather20°C (67°F)141 mm (5.6 inches)80%very high
September Weather16°C (60°F)104 mm (4.1 inches)83%high
October Weather11°C (52°F)122 mm (4.8 inches)90%moderate
November Weather6°C (43°F)76 mm (3.0 inches)88%moderate
December Weather3°C (38°F)136 mm (5.4 inches)90%low

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