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December Weather in Slemien, Poland

Last updated: August 27, 2025

In December, the average temperature in Slemien, Poland hovers around 0°C (33°F), with extremes ranging from a chilly -13°C (9°F) to a mild 14°C (57°F). Expect 88 mm (3.5 in) of precipitation spread across 16 days, contributing to an average humidity of 91%. Dress warmly and be prepared for wet conditions!

December Temperature in Slemien

In December in Slemien, the average temperature is 0°C (33°F). Maximum temperatures can reach 14°C (57°F), while minimums can drop as low as -13°C (9°F). Be sure to pack warm clothing and prepare for chilly conditions if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Slemien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slemien, December typically has an average temperature of 0°C (33°F), with highs reaching up to 14°C (57°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec293338465464646557494133
Data source: Temperature data for Slemien 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 Slemien

In Slemien in December, the precipitation amount is 88 mm (3.5 in) spread over 16 days.

December Precipitation Trends in Slemien

The chart displays monthly precipitation patterns in Slemien, 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 Slemien, December typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec587762761351011271441251015788
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Slemien

In Slemien in December, humidity is 91%. With an average temperature of 0°C (33°F), this humidity feels like an icy dampness that seeps into your bones, making every step feel heavier and requiring extra layers to stay warm while traveling.

December Average Humidity in Slemien

This chart illustrates the average monthly humidity levels in Slemien, 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 Slemien is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Slemien

In Slemien 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 Slemien.

Maximum UV Index Levels in Slemien for December

The chart shows the monthly maximum UV Index (UVI) for Slemien 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 Slemien typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec225679876421
Data source: Slemien 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 Slemien Compares to Other Months

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

This table compares monthly weather conditions in Slemien, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)58 mm (2.3 inches)90%low
February Weather1°C (33°F)77 mm (3.0 inches)87%low
March Weather3°C (38°F)62 mm (2.4 inches)83%moderate
April Weather8°C (46°F)76 mm (3.0 inches)76%high
May Weather12°C (54°F)135 mm (5.3 inches)70%high
June Weather18°C (64°F)101 mm (4.0 inches)71%very high
July Weather18°C (65°F)127 mm (5.0 inches)67%very high
August Weather18°C (65°F)144 mm (5.7 inches)64%high
September Weather14°C (57°F)125 mm (4.9 inches)67%high
October Weather9°C (49°F)101 mm (4.0 inches)83%moderate
November Weather5°C (41°F)57 mm (2.2 inches)90%low
December Weather0°C (33°F)88 mm (3.5 inches)91%low

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