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December Weather in Janow, Poland

Last updated: August 27, 2025

In Janow, Poland, the average temperature in December hovers around 0°C (33°F). While you may experience a minimum of -14°C (7°F), the maximum can climb to 10°C (50°F). Prepare for damp conditions, as precipitation reaches 57 mm (2.2 in) over 13 days, resulting in an average humidity of a crisp 93%.

December Temperature in Janow

In December in Janow, the average temperature is 0°C (33°F). The maximum can reach 10°C (50°F), and the minimum can be as low as -14°C (7°F). Be prepared for a chilly visit, and dress warmly to enjoy the unique winter experiences that Janow has to offer.

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

The chart illustrates December temperature patterns in Janow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Janow, December typically has an average temperature of 0°C (33°F), with highs reaching up to 10°C (50°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec293036455565666557484032
Data source: Temperature data for Janow 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 Janow

In Janow in December, the precipitation amount is 57 mm (2.2 in) over the course of 13 days.

December Precipitation Trends in Janow

The chart displays monthly precipitation patterns in Janow, 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 Janow, December typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4440424577581049375644157
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Janow

In Janow in December, humidity is 93%. With an average temperature of 0°C (33°F), this humidity feels like an incredibly damp chill that seeps into your bones, making outdoor travel uncomfortable and challenging, as it creates a heavy atmosphere that can dampen your spirits and energy.

December Average Humidity in Janow

This chart illustrates the average monthly humidity levels in Janow, 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 Janow is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%77%59%59%60%60%72%89%91%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Janow

In Janow 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 Janow.

Maximum UV Index Levels in Janow for December

The chart shows the monthly maximum UV Index (UVI) for Janow 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 Janow typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568775321
Data source: Janow 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 Janow Compares to Other Months

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

This table compares monthly weather conditions in Janow, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)44 mm (1.7 inches)93%low
February Weather-1°C (31°F)40 mm (1.6 inches)90%low
March Weather2°C (37°F)41 mm (1.6 inches)88%moderate
April Weather7°C (46°F)45 mm (1.8 inches)77%moderate
May Weather13°C (55°F)77 mm (3.0 inches)59%high
June Weather19°C (66°F)58 mm (2.3 inches)59%very high
July Weather19°C (66°F)103 mm (4.1 inches)60%high
August Weather18°C (65°F)93 mm (3.7 inches)60%high
September Weather14°C (57°F)75 mm (3.0 inches)72%moderate
October Weather9°C (49°F)64 mm (2.5 inches)88%moderate
November Weather4°C (40°F)41 mm (1.6 inches)91%low
December Weather0°C (33°F)57 mm (2.2 inches)93%low

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