December Weather in Kalej, Poland

Last updated: August 27, 2025

In December, the average temperature in Kalej, Poland hovers around 2°C (35°F). Prepare for a chill, as minimum temperatures can plummet to -14°C (7°F), while highs reach a comfortable 15°C (59°F). Expect 57 mm (2.2 in) of precipitation spread over 13 days, contributing to an average humidity of 92%. A cozy blanket is a must!

December Temperature in Kalej

In December in Kalej, the average temperature is 2°C (35°F). Maximums can reach 15°C (59°F), while minimums can plummet to -14°C (7°F). Travelers should be prepared for a mix of chilly and mild weather, ensuring they pack accordingly for varying temperatures.

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

The chart illustrates December temperature patterns in Kalej, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalej, December typically has an average temperature of 2°C (35°F), with highs reaching up to 15°C (59°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec313439485667676859514235
Data source: Temperature data for Kalej 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 Kalej

In Kalej in December, the precipitation amount is 57 mm (2.2 in) over the course of 13 days.

December Precipitation Trends in Kalej

The chart displays monthly precipitation patterns in Kalej, 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 Kalej, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec415143578378829086664157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kalej

In Kalej in December humidity is 92%. With an average temperature of 2°C (35°F), this humidity feels like a damp, chilling fog that clings to your skin, making outdoor activities uncomfortable and travel challenging as you navigate through the heavy, cold air.

December Average Humidity in Kalej

This chart illustrates the average monthly humidity levels in Kalej, 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 Kalej is approximately 92%, 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Kalej

In Kalej 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 Kalej.

Maximum UV Index Levels in Kalej for December

The chart shows the monthly maximum UV Index (UVI) for Kalej 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 Kalej typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876321
Data source: Kalej 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 Kalej Compares to Other Months

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

This table compares monthly weather conditions in Kalej, showing how December’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 (34°F)50 mm (2.0 inches)88%low
March Weather4°C (40°F)43 mm (1.7 inches)86%moderate
April Weather9°C (48°F)57 mm (2.3 inches)79%moderate
May Weather14°C (57°F)83 mm (3.3 inches)65%high
June Weather19°C (67°F)78 mm (3.1 inches)66%very high
July Weather20°C (68°F)82 mm (3.2 inches)67%very high
August Weather20°C (68°F)90 mm (3.5 inches)67%high
September Weather15°C (59°F)86 mm (3.4 inches)72%high
October Weather11°C (51°F)66 mm (2.6 inches)83%moderate
November Weather6°C (42°F)41 mm (1.6 inches)90%low
December Weather2°C (35°F)57 mm (2.2 inches)92%low

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