January Weather in Slonsk, Poland

Last updated: August 27, 2025

In Slonsk, Poland, the average temperature for January hovers around 2°C (35°F). Expect minimums that can plunge to -10°C (14°F), while maximums can reach a mild 13°C (56°F). With an average precipitation of 51 mm (2.0 in) spread over 11 days, and humidity levels peaking at 91%, it's a month where you’ll want to be prepared for a damp chill!

January Temperature in Slonsk

In January in Slonsk, the average temperature is 2°C (35°F). The maximum can reach 13°C (56°F), and the minimum can be as low as -10°C (14°F). Travelers should be prepared for chilly weather and pack accordingly for a mix of cool and cold conditions.

January Weather in Slonsk: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Slonsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slonsk, January typically has an average temperature of 2°C (35°F), with highs reaching up to 13°C (56°F) and lows dropping to around -10°C (14°F).

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

January Precipitation in Slonsk

In Slonsk in January, the precipitation amount is 51 mm (2.0 in) spread over 11 days.

January Precipitation Trends in Slonsk

The chart displays monthly precipitation patterns in Slonsk, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Slonsk, January typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Slonsk

In Slonsk in January, humidity is 91%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket enveloping you, making travel rather uncomfortable and potentially discouraging for outdoor activities.

January Average Humidity in Slonsk

This chart illustrates the average monthly humidity levels in Slonsk, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Slonsk is approximately 91%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Slonsk

In Slonsk in January, 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 Slonsk.

Maximum UV Index Levels in Slonsk for January

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

Data source: Slonsk January 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 January Weather in Slonsk Compares to Other Months

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

This table compares monthly weather conditions in Slonsk, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	51 mm (2.0 inches)	91%	low
February Weather	2°C (37°F)	45 mm (1.8 inches)	90%	low
March Weather	5°C (41°F)	51 mm (2.0 inches)	88%	moderate
April Weather	9°C (49°F)	36 mm (1.4 inches)	82%	moderate
May Weather	14°C (57°F)	47 mm (1.9 inches)	74%	high
June Weather	20°C (68°F)	50 mm (2.0 inches)	75%	very high
July Weather	20°C (68°F)	88 mm (3.5 inches)	74%	very high
August Weather	20°C (69°F)	62 mm (2.4 inches)	71%	high
September Weather	15°C (60°F)	52 mm (2.1 inches)	82%	high
October Weather	11°C (52°F)	58 mm (2.3 inches)	86%	moderate
November Weather	6°C (43°F)	46 mm (1.8 inches)	89%	low
December Weather	3°C (37°F)	51 mm (2.0 inches)	93%	low