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December Weather in Poland, United States

Last updated: June 24, 2025

In December, the average temperature in Poland, United States hovers around -2°C (28°F), with extremes ranging from a chilling -25°C (-12°F) to a mild 15°C (59°F). Expect 110 mm (4.3 in) of precipitation over approximately 10 days, contributing to a high average humidity of 81%.

December Temperature in Poland

In December in Poland, the average temperature is -2°C (28°F). The maximum can reach 15°C (59°F), while the minimum can be as low as -25°C (-12°F). Be prepared for a chilly adventure, and pack accordingly to enjoy all that Poland has to offer during this time.

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

The chart illustrates December temperature patterns in Poland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poland, December typically has an average temperature of -2°C (28°F), with highs reaching up to 15°C (59°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec232531435465717163523928
Data source: Temperature data for Poland 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 Poland

In Poland in December, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.

December Precipitation Trends in Poland

The chart displays monthly precipitation patterns in Poland, 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 Poland, December typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec79857211274731397962117102110
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Poland

In Poland in December, humidity is 81%. With an average temperature of -2°C (28°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Poland

This chart illustrates the average monthly humidity levels in Poland, 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 Poland is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Poland

In Poland in December, 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 Poland, you can visit Hourly UV Index in Poland.

Maximum UV Index Levels in Poland for December

The chart shows the monthly maximum UV Index (UVI) for Poland 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 Poland typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Poland 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 Poland Compares to Other Months

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

This table compares monthly weather conditions in Poland, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)79 mm (3.1 inches)86%low
February Weather-4°C (25°F)85 mm (3.3 inches)84%moderate
March Weather0°C (32°F)72 mm (2.9 inches)82%moderate
April Weather6°C (43°F)112 mm (4.4 inches)80%very high
May Weather12°C (54°F)74 mm (2.9 inches)72%very high
June Weather19°C (66°F)73 mm (2.9 inches)72%very high
July Weather22°C (72°F)139 mm (5.5 inches)67%very high
August Weather21°C (71°F)79 mm (3.1 inches)66%very high
September Weather17°C (64°F)62 mm (2.4 inches)71%high
October Weather11°C (52°F)117 mm (4.6 inches)78%moderate
November Weather4°C (39°F)102 mm (4.0 inches)84%moderate
December Weather-2°C (28°F)110 mm (4.3 inches)81%low

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