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December Weather in Jaroslaw, Poland

Last updated: August 27, 2025

In December, the average temperature in Jaroslaw, Poland hovers around 1°C (35°F). Expect chilly conditions, with minimums dipping to -14°C (6°F) and maximums reaching 14°C (58°F). Prepare for some wet weather, as 64 mm (2.5 in) of precipitation is expected over 14 days. With an average humidity of 91%, you'll definitely want to bundle up!

December Temperature in Jaroslaw

In December in Jaroslaw, the average temperature is 1°C (35°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -14°C (6°F). Be prepared for a chilly climate, and pack accordingly for your travels!

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

The chart illustrates December temperature patterns in Jaroslaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jaroslaw, December typically has an average temperature of 1°C (35°F), with highs reaching up to 14°C (58°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439495767686859514235
Data source: Temperature data for Jaroslaw 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 Jaroslaw

In Jaroslaw in December, the precipitation amount is 64 mm (2.5 in) spread out over 14 days.

December Precipitation Trends in Jaroslaw

The chart displays monthly precipitation patterns in Jaroslaw, 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 Jaroslaw, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec406046449886958977684964
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jaroslaw

In Jaroslaw 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 Jaroslaw

This chart illustrates the average monthly humidity levels in Jaroslaw, 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 Jaroslaw is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%88%79%71%72%66%60%72%86%90%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jaroslaw

In Jaroslaw 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 Jaroslaw.

Maximum UV Index Levels in Jaroslaw for December

The chart shows the monthly maximum UV Index (UVI) for Jaroslaw 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 Jaroslaw typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Jaroslaw 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 Jaroslaw Compares to Other Months

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

This table compares monthly weather conditions in Jaroslaw, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)40 mm (1.6 inches)92%low
February Weather1°C (34°F)60 mm (2.4 inches)89%low
March Weather4°C (40°F)46 mm (1.8 inches)88%moderate
April Weather10°C (49°F)43 mm (1.7 inches)79%high
May Weather14°C (58°F)98 mm (3.9 inches)71%high
June Weather20°C (67°F)86 mm (3.4 inches)72%very high
July Weather20°C (69°F)95 mm (3.7 inches)66%very high
August Weather20°C (68°F)89 mm (3.5 inches)60%high
September Weather15°C (60°F)77 mm (3.0 inches)71%high
October Weather11°C (52°F)68 mm (2.7 inches)86%moderate
November Weather6°C (43°F)48 mm (1.9 inches)90%low
December Weather1°C (35°F)64 mm (2.5 inches)91%low

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