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January Weather in Leszno, Poland

Last updated: August 27, 2025

In January, the average temperature in Leszno, Poland hovers around 0°C (32°F), with a notable range between a chilly -19°C (-3°F) and a milder 11°C (52°F). During this period, expect 41 mm (1.6 in) of precipitation spread over 10 days, contributing to a high average humidity of 92%. Stay warm and prepared for the wet conditions!

January Temperature in Leszno

In January in Leszno, the average temperature is 0°C (32°F). The maximum can reach 11°C (52°F), and the minimum can be as low as -19°C (-3°F). This means travelers should prepare for a cold climate and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Leszno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leszno, January typically has an average temperature of 0°C (32°F), with highs reaching up to 11°C (52°F) and lows dropping to around -19°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec323339485767686759514235
Data source: Temperature data for Leszno 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 Leszno

In Leszno in January, the precipitation amount is 41 mm (1.6 in) spread over 10 days.

January Precipitation Trends in Leszno

The chart displays monthly precipitation patterns in Leszno, 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 Leszno, January typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec414439358065679080663249
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Leszno

In Leszno in January, humidity is 92%. With an average temperature of 0°C (32°F), this humidity feels like a heavy blanket enveloping you as you travel, making every step feel sluggish and the air thick with moisture, which can be both invigorating and exhausting at the same time.

January Average Humidity in Leszno

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

In Leszno 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 Leszno.

Maximum UV Index Levels in Leszno for January

The chart shows the monthly maximum UV Index (UVI) for Leszno 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 Leszno typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Leszno 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 Leszno Compares to Other Months

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

This table compares monthly weather conditions in Leszno, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)41 mm (1.6 inches)92%low
February Weather1°C (34°F)44 mm (1.7 inches)90%low
March Weather4°C (39°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)35 mm (1.4 inches)76%moderate
May Weather14°C (57°F)80 mm (3.2 inches)58%high
June Weather19°C (67°F)65 mm (2.5 inches)56%very high
July Weather20°C (68°F)67 mm (2.6 inches)59%very high
August Weather20°C (68°F)90 mm (3.5 inches)60%high
September Weather15°C (59°F)80 mm (3.2 inches)71%moderate
October Weather10°C (51°F)66 mm (2.6 inches)86%moderate
November Weather5°C (42°F)32 mm (1.3 inches)90%low
December Weather2°C (35°F)49 mm (1.9 inches)93%low

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