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December Weather in Jastkow, Poland

Last updated: August 27, 2025

In December, the average temperature in Jastkow, Poland hovers around 1°C (34°F), with a minimum drop to -12°C (10°F) and a pleasant maximum reaching 13°C (55°F). Expect 55 mm (2.2 in) of precipitation spread over approximately 12 days, paired with a high average humidity of 91%. Dress warmly and prepare for a damp yet cozy atmosphere!

December Temperature in Jastkow

In December in Jastkow, the average temperature is 1°C (34°F). The maximum can reach 13°C (55°F), while the minimum can drop as low as -12°C (10°F). This chilly weather makes it essential to pack warm clothing if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Jastkow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jastkow, December typically has an average temperature of 1°C (34°F), with highs reaching up to 13°C (55°F) and lows dropping to around -12°C (10°F).
JanFebMarAprMayJunJulAugSepOctNovDec303238485767686758504134
Data source: Temperature data for Jastkow 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 Jastkow

In Jastkow in December, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.

December Precipitation Trends in Jastkow

The chart displays monthly precipitation patterns in Jastkow, 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 Jastkow, December typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4148425483749010979663955
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jastkow

In Jastkow in December, humidity is 91%. With an average temperature of 1°C (34°F), this humidity feels like an icy embrace, making traveling quite challenging as the air feels heavy and damp, leaving everything damp and cold, and requiring extra layers for comfort.

December Average Humidity in Jastkow

This chart illustrates the average monthly humidity levels in Jastkow, 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 Jastkow 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 Jastkow

In Jastkow 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 Jastkow.

Maximum UV Index Levels in Jastkow for December

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

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

This table compares monthly weather conditions in Jastkow, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)41 mm (1.6 inches)91%low
February Weather0°C (33°F)48 mm (1.9 inches)89%low
March Weather3°C (38°F)42 mm (1.7 inches)86%moderate
April Weather9°C (48°F)54 mm (2.1 inches)76%moderate
May Weather14°C (57°F)83 mm (3.3 inches)58%high
June Weather19°C (67°F)74 mm (2.9 inches)56%very high
July Weather20°C (68°F)90 mm (3.5 inches)56%very high
August Weather20°C (67°F)109 mm (4.3 inches)55%high
September Weather15°C (59°F)79 mm (3.1 inches)68%high
October Weather10°C (50°F)66 mm (2.6 inches)84%moderate
November Weather5°C (42°F)39 mm (1.5 inches)89%low
December Weather1°C (34°F)55 mm (2.2 inches)91%low

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