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December Weather in Osiek, Poland

Last updated: August 27, 2025

In December, the average temperature in Osiek, Poland hovers around 3°C (37°F). Expect a chilly minimum of -12°C (10°F) and a maximum of 13°C (55°F). During this month, 51 mm (2.0 in) of precipitation falls over approximately 13 days, while the average humidity remains high at 91%. Be prepared for a brisk and damp atmosphere!

December Temperature in Osiek

In December in Osiek, the average temperature is 3°C (37°F). The maximum can reach 13°C (55°F), while the minimum can be as low as -12°C (10°F). Travelers should be prepared for chilly conditions and dress in layers to stay comfortable while exploring.

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

The chart illustrates December temperature patterns in Osiek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osiek, December typically has an average temperature of 3°C (37°F), with highs reaching up to 13°C (55°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec343641495767686860524337
Data source: Temperature data for Osiek 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 Osiek

In Osiek in December, the precipitation amount is 51 mm (2.0 in) spread over 13 days.

December Precipitation Trends in Osiek

The chart displays monthly precipitation patterns in Osiek, 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 Osiek, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec414442396863677170663551
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Osiek

In Osiek in December, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.

December Average Humidity in Osiek

This chart illustrates the average monthly humidity levels in Osiek, 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 Osiek is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%63%63%61%65%72%80%87%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Osiek

In Osiek 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 Osiek.

Maximum UV Index Levels in Osiek for December

The chart shows the monthly maximum UV Index (UVI) for Osiek 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 Osiek typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Osiek 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 Osiek Compares to Other Months

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

This table compares monthly weather conditions in Osiek, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)40 mm (1.6 inches)89%low
February Weather2°C (36°F)44 mm (1.7 inches)87%low
March Weather5°C (41°F)42 mm (1.6 inches)84%moderate
April Weather9°C (49°F)39 mm (1.5 inches)78%moderate
May Weather14°C (57°F)68 mm (2.7 inches)63%high
June Weather20°C (68°F)63 mm (2.5 inches)63%very high
July Weather20°C (68°F)67 mm (2.7 inches)61%very high
August Weather20°C (69°F)71 mm (2.8 inches)65%high
September Weather15°C (60°F)70 mm (2.7 inches)72%high
October Weather11°C (52°F)66 mm (2.6 inches)80%moderate
November Weather6°C (43°F)35 mm (1.4 inches)87%low
December Weather3°C (37°F)51 mm (2.0 inches)91%low

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