December Weather in Slupsk, Poland

Last updated: August 27, 2025

In December, the average temperature in Slupsk, Poland hovers around 3°C (37°F). However, be prepared for a chilly range, with minimums dipping to -7°C (19°F) and maximums reaching up to 10°C (50°F). During this time, you can expect 70 mm (2.8 in) of precipitation over 15 days, with an average humidity level of 85%.

December Temperature in Slupsk

In December in Slupsk, the average temperature is 3°C (37°F), with maximums reaching 10°C (50°F) and minimums dipping as low as -7°C (19°F). Be sure to pack warm clothing and prepare for chilly conditions during your visit!

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

The chart illustrates December temperature patterns in Slupsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slupsk, December typically has an average temperature of 3°C (37°F), with highs reaching up to 10°C (50°F) and lows dropping to around -7°C (19°F).

Data source: Temperature data for Slupsk generated using information from the Copernicus Climate Change Service.

December Precipitation in Slupsk

In Slupsk in December, the total precipitation amount reaches 70 mm (2.8 in) over the course of 15 days.

December Precipitation Trends in Slupsk

The chart displays monthly precipitation patterns in Slupsk, 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 Slupsk, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Slupsk

In Slupsk in December, humidity is 85%. With an average temperature of 3°C (37°F), this humidity feels like a chilling blanket enveloping you, making traveling uncomfortable as your clothes cling to your skin and the cold air bites at your face.

December Average Humidity in Slupsk

This chart illustrates the average monthly humidity levels in Slupsk, 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 Slupsk is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Slupsk

In Slupsk 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 Slupsk.

Maximum UV Index Levels in Slupsk for December

The chart shows the monthly maximum UV Index (UVI) for Slupsk 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 Slupsk typically reaches 1, which falls under the low exposure category.

Data source: Slupsk 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 Slupsk Compares to Other Months

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

This table compares monthly weather conditions in Slupsk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	66 mm (2.6 inches)	87%	low
February Weather	2°C (35°F)	56 mm (2.2 inches)	87%	low
March Weather	3°C (38°F)	59 mm (2.3 inches)	87%	moderate
April Weather	7°C (44°F)	36 mm (1.4 inches)	85%	moderate
May Weather	11°C (52°F)	55 mm (2.2 inches)	81%	high
June Weather	17°C (63°F)	47 mm (1.8 inches)	81%	high
July Weather	18°C (65°F)	106 mm (4.2 inches)	81%	high
August Weather	19°C (66°F)	70 mm (2.8 inches)	80%	high
September Weather	15°C (60°F)	91 mm (3.6 inches)	81%	moderate
October Weather	11°C (52°F)	114 mm (4.5 inches)	84%	moderate
November Weather	7°C (44°F)	76 mm (3.0 inches)	86%	low
December Weather	3°C (37°F)	70 mm (2.8 inches)	85%	low