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January Weather in Bytom, Poland

Last updated: August 27, 2025

In January, the average temperature in Bytom, Poland hovers around -1°C (31°F). Expect a chilly range, with minimum temperatures plunging to -25°C (-13°F) and a cap at a mild 11°C (53°F). During this month, the region receives about 41 mm (1.6 in) of precipitation across roughly 11 days, accompanied by a damp average humidity of 90%. Prepare for a wintry experience!

January Temperature in Bytom

In January in Bytom, the average temperature is -1°C (31°F). The maximum can reach 11°C (53°F), while the minimum can drop as low as -25°C (-13°F). Be prepared for significant temperature fluctuations and dress accordingly when traveling during this month.

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

The chart illustrates January temperature patterns in Bytom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bytom, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (53°F) and lows dropping to around -25°C (-13°F).
JanFebMarAprMayJunJulAugSepOctNovDec313540485767686859514335
Data source: Temperature data for Bytom 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 Bytom

In Bytom in January, the precipitation amount is 41 mm (1.6 in) over the course of 11 days.

January Precipitation Trends in Bytom

The chart displays monthly precipitation patterns in Bytom, 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 Bytom, January typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4156485791828410196734660
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bytom

In Bytom in January humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

January Average Humidity in Bytom

This chart illustrates the average monthly humidity levels in Bytom, 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 Bytom is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%79%65%66%67%67%72%83%90%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Bytom

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

Maximum UV Index Levels in Bytom for January

The chart shows the monthly maximum UV Index (UVI) for Bytom 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 Bytom typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876321
Data source: Bytom 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 Bytom Compares to Other Months

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

This table compares monthly weather conditions in Bytom, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)41 mm (1.6 inches)90%low
February Weather1°C (35°F)56 mm (2.2 inches)88%low
March Weather4°C (40°F)48 mm (1.9 inches)86%moderate
April Weather9°C (49°F)57 mm (2.2 inches)79%moderate
May Weather14°C (57°F)91 mm (3.6 inches)65%high
June Weather19°C (67°F)82 mm (3.2 inches)66%very high
July Weather20°C (68°F)84 mm (3.3 inches)67%very high
August Weather20°C (68°F)101 mm (4.0 inches)67%high
September Weather15°C (60°F)96 mm (3.8 inches)72%high
October Weather11°C (52°F)73 mm (2.9 inches)83%moderate
November Weather6°C (43°F)46 mm (1.8 inches)90%low
December Weather2°C (35°F)60 mm (2.4 inches)92%low

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