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January Weather in Sulejowek, Poland

Last updated: August 27, 2025

In January, the average temperature in Sulejowek, Poland hovers around -1°C (31°F). While it's not uncommon to experience a chilling minimum of -24°C (-11°F), the mercury can occasionally rise to a comfortable 11°C (52°F). Expect about 42 mm (1.6 in) of precipitation spread over 10 days, with humidity levels reaching a notable 92%. Stay prepared for a variety of weather conditions!

January Temperature in Sulejowek

In January in Sulejowek, the average temperature is -1°C (31°F). Maximums can reach 11°C (52°F), while minimums can dip as low as -24°C (-11°F). Be prepared for chilly conditions and pack accordingly to enjoy your travels!

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

The chart illustrates January temperature patterns in Sulejowek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulejowek, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (52°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec313339485768686759504234
Data source: Temperature data for Sulejowek 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 Sulejowek

In Sulejowek in January, the precipitation amount is 42 mm (1.6 in) over the course of 10 days.

January Precipitation Trends in Sulejowek

The chart displays monthly precipitation patterns in Sulejowek, 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 Sulejowek, January typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec424440378164828775713352
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sulejowek

In Sulejowek in January humidity is 92%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, damp chill that seeps into your bones, making travel uncomfortable and challenging as the cold air mixes with the moisture, creating a biting sensation that lingers long after stepping outside.

January Average Humidity in Sulejowek

This chart illustrates the average monthly humidity levels in Sulejowek, 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 Sulejowek is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sulejowek

In Sulejowek in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Sulejowek.

Maximum UV Index Levels in Sulejowek for January

The chart shows the monthly maximum UV Index (UVI) for Sulejowek 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 Sulejowek typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567875321
Data source: Sulejowek 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 Sulejowek Compares to Other Months

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

This table compares monthly weather conditions in Sulejowek, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)42 mm (1.6 inches)92%low
February Weather1°C (33°F)44 mm (1.7 inches)90%low
March Weather4°C (39°F)40 mm (1.6 inches)87%moderate
April Weather9°C (48°F)37 mm (1.4 inches)76%moderate
May Weather14°C (57°F)81 mm (3.2 inches)58%high
June Weather20°C (68°F)64 mm (2.5 inches)56%high
July Weather20°C (68°F)82 mm (3.2 inches)59%very high
August Weather20°C (68°F)87 mm (3.4 inches)60%high
September Weather15°C (59°F)75 mm (3.0 inches)71%moderate
October Weather10°C (51°F)71 mm (2.8 inches)86%moderate
November Weather5°C (42°F)33 mm (1.3 inches)90%low
December Weather1°C (35°F)52 mm (2.0 inches)93%low

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