January Weather in Slupno, Poland

Last updated: August 27, 2025

In Slupno, Poland, the average temperature in January hovers around 0°C (32°F), with extremes ranging from a frigid -18°C (0°F) to a mild 11°C (53°F). Expect about 40 mm (1.6 in) of precipitation over approximately 10 days during this month, contributing to a notably high average humidity of 91%.

January Temperature in Slupno

In January in Slupno, the average temperature is 0°C (32°F). The maximum can reach 11°C (53°F), while the minimum may drop as low as -18°C (0°F). Be prepared for cold conditions and pack accordingly for your travels.

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

The chart illustrates January temperature patterns in Slupno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slupno, January typically has an average temperature of 0°C (32°F), with highs reaching up to 11°C (53°F) and lows dropping to around -18°C (0°F).

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

January Precipitation in Slupno

In Slupno in January, the precipitation amount is 40 mm (1.6 in) over a span of 10 days.

January Precipitation Trends in Slupno

The chart displays monthly precipitation patterns in Slupno, 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 Slupno, January typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 10 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 Slupno

In Slupno in January, humidity is 91%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that penetrates your clothes, making every movement feel heavy and uncomfortable for traveling.

January Average Humidity in Slupno

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

In Slupno 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 Slupno.

Maximum UV Index Levels in Slupno for January

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

Data source: Slupno 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 Slupno Compares to Other Months

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

This table compares monthly weather conditions in Slupno, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	40 mm (1.6 inches)	91%	low
February Weather	1°C (34°F)	45 mm (1.8 inches)	90%	low
March Weather	4°C (39°F)	40 mm (1.6 inches)	87%	moderate
April Weather	9°C (48°F)	35 mm (1.4 inches)	79%	moderate
May Weather	13°C (56°F)	82 mm (3.2 inches)	63%	high
June Weather	19°C (67°F)	69 mm (2.7 inches)	61%	very high
July Weather	20°C (67°F)	74 mm (2.9 inches)	63%	very high
August Weather	20°C (68°F)	78 mm (3.1 inches)	65%	high
September Weather	15°C (59°F)	80 mm (3.2 inches)	75%	moderate
October Weather	10°C (51°F)	63 mm (2.5 inches)	85%	moderate
November Weather	5°C (42°F)	31 mm (1.2 inches)	90%	low
December Weather	2°C (35°F)	46 mm (1.8 inches)	93%	low