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December Weather in Bystre, Poland

Last updated: August 27, 2025

In Bystre, Poland, the average temperature in December hovers around 1°C (35°F), with potential drops to a chilly -14°C (6°F) and peaks reaching up to 14°C (57°F). This period also brings about 58 mm (2.3 in) of precipitation over approximately 12 days, contributing to a notably high average humidity level of 91%.

December Temperature in Bystre

In December in Bystre, the average temperature is 1°C (35°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -14°C (6°F). Travelers should be prepared for a wide range of temperatures during this month, ensuring they bring both warm clothing and layers for varying weather conditions.

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

The chart illustrates December temperature patterns in Bystre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bystre, December typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (57°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec303339485767686859514234
Data source: Temperature data for Bystre 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 Bystre

In Bystre in December, the precipitation amount is 58 mm (2.3 in) spread over 12 days.

December Precipitation Trends in Bystre

The chart displays monthly precipitation patterns in Bystre, 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 Bystre, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4351434998761038781704558
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bystre

In Bystre in December humidity is 91%. With an average temperature of 1°C (35°F), this humidity feels like an icy mist clinging to your skin, making every step outside a challenge as you contend with the chill and dampness that wraps around you, dampening the joy of exploration.

December Average Humidity in Bystre

This chart illustrates the average monthly humidity levels in Bystre, 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 Bystre is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%76%58%56%56%55%68%84%89%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bystre

In Bystre 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 Bystre.

Maximum UV Index Levels in Bystre for December

The chart shows the monthly maximum UV Index (UVI) for Bystre 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 Bystre typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Bystre 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 Bystre Compares to Other Months

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

This table compares monthly weather conditions in Bystre, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)43 mm (1.7 inches)91%low
February Weather1°C (33°F)51 mm (2.0 inches)89%low
March Weather4°C (39°F)43 mm (1.7 inches)86%moderate
April Weather9°C (49°F)49 mm (1.9 inches)76%high
May Weather14°C (58°F)98 mm (3.8 inches)58%high
June Weather20°C (68°F)76 mm (3.0 inches)56%very high
July Weather20°C (68°F)103 mm (4.0 inches)56%very high
August Weather20°C (68°F)87 mm (3.4 inches)55%high
September Weather15°C (59°F)81 mm (3.2 inches)68%high
October Weather10°C (51°F)70 mm (2.8 inches)84%moderate
November Weather5°C (42°F)45 mm (1.8 inches)89%low
December Weather1°C (35°F)58 mm (2.3 inches)91%low

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