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January Weather in Sillian, Austria

Last updated: August 22, 2025

In January, the average temperature in Sillian, Austria hovers around -8°C (18°F), with minimums plunging to -23°C (-9°F) and maximums reaching up to 3°C (37°F). You'll also experience 57 mm (2.3 in) of precipitation distributed over about 10 days. Don't forget your layers, as the average humidity sits at a chilly 93%!

January Temperature in Sillian

In January in Sillian, the average temperature is -8°C (18°F). Maximum can reach 3°C (37°F) and minimum can be as low as -23°C (-9°F). Be prepared for cold weather and dress warmly if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Sillian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sillian, January typically has an average temperature of -8°C (18°F), with highs reaching up to 3°C (37°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec182429354354555649403120
Data source: Temperature data for Sillian 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 Sillian

In Sillian in January, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.

January Precipitation Trends in Sillian

The chart displays monthly precipitation patterns in Sillian, 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 Sillian, January typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec586380102150145170188127119154134
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sillian

In Sillian in January humidity is 93%. With an average temperature of -8°C (18°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making even the briefest moments outside feel uncomfortable and heavy, as if you're trudging through a misty, cold cloud that wraps around you.

January Average Humidity in Sillian

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

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

Maximum UV Index Levels in Sillian for January

The chart shows the monthly maximum UV Index (UVI) for Sillian 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 Sillian typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec247810101097532
Data source: Sillian 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 Sillian Compares to Other Months

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

This table compares monthly weather conditions in Sillian, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)57 mm (2.3 inches)93%low
February Weather-4°C (24°F)63 mm (2.5 inches)89%moderate
March Weather-2°C (29°F)80 mm (3.2 inches)86%high
April Weather2°C (36°F)102 mm (4.0 inches)83%very high
May Weather6°C (43°F)150 mm (5.9 inches)78%very high
June Weather12°C (54°F)145 mm (5.7 inches)79%very high
July Weather13°C (56°F)170 mm (6.7 inches)82%very high
August Weather13°C (56°F)188 mm (7.4 inches)80%very high
September Weather9°C (49°F)127 mm (5.0 inches)83%high
October Weather5°C (41°F)119 mm (4.7 inches)90%moderate
November Weather-1°C (31°F)154 mm (6.1 inches)89%moderate
December Weather-7°C (20°F)134 mm (5.3 inches)90%low

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