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December Weather in Koscierzyna, Poland

Last updated: August 27, 2025

In December, the average temperature in Koscierzyna, Poland hovers around 1°C (34°F), with a minimum plunge of -13°C (8°F) and a maximum reach of 10°C (50°F). Expect a precipitation total of 49 mm (1.9 in) spread across approximately 13 days, and brace yourself for high humidity levels averaging 93%.

December Temperature in Koscierzyna

In December in Koscierzyna, the average temperature is 1°C (34°F). Maximums can reach 10°C (50°F), while minimums can drop as low as -13°C (8°F). It’s essential to pack warm clothing if you're traveling during this time.

December Weather in Koscierzyna: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Koscierzyna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koscierzyna, December typically has an average temperature of 1°C (34°F), with highs reaching up to 10°C (50°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec323237455363646457494134
Data source: Temperature data for Koscierzyna 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.

December Precipitation in Koscierzyna

In Koscierzyna in December, the precipitation amount is 49 mm (1.9 in) over the course of 13 days.

December Precipitation Trends in Koscierzyna

The chart displays monthly precipitation patterns in Koscierzyna, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Koscierzyna, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4840463869691066668664049
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Koscierzyna

In Koscierzyna in December humidity is 93%. With an average temperature of 1°C (34°F), this humidity feels like an icy blanket enveloping you, making every step outdoors a challenge as the cold air clings to your skin, intensifying the chill and dampness.

December Average Humidity in Koscierzyna

This chart illustrates the average monthly humidity levels in Koscierzyna, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Koscierzyna is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Koscierzyna

In Koscierzyna in December, 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 Koscierzyna.

Maximum UV Index Levels in Koscierzyna for December

The chart shows the monthly maximum UV Index (UVI) for Koscierzyna in December, 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 December, the maximum UV index in Koscierzyna typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568865321
Data source: Koscierzyna December 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 December Weather in Koscierzyna Compares to Other Months

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

This table compares monthly weather conditions in Koscierzyna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)48 mm (1.9 inches)91%low
February Weather0°C (32°F)40 mm (1.6 inches)90%low
March Weather3°C (37°F)46 mm (1.8 inches)87%moderate
April Weather7°C (45°F)38 mm (1.5 inches)79%moderate
May Weather12°C (53°F)69 mm (2.7 inches)63%high
June Weather17°C (63°F)69 mm (2.7 inches)61%very high
July Weather18°C (64°F)106 mm (4.2 inches)63%very high
August Weather18°C (64°F)66 mm (2.6 inches)65%high
September Weather14°C (57°F)68 mm (2.7 inches)75%moderate
October Weather10°C (50°F)66 mm (2.6 inches)85%moderate
November Weather5°C (41°F)40 mm (1.6 inches)90%low
December Weather1°C (34°F)49 mm (1.9 inches)93%low

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