January Weather in Siemysl, Poland

Last updated: August 27, 2025

In January, the average temperature in Siemysl, Poland hovers around 2°C (35°F), bringing with it chilly conditions. Expect minimum temperatures to dip as low as -12°C (11°F), while the mercury may reach a comfortable maximum of 12°C (54°F). During this month, precipitation totals approximately 60 mm (2.4 in) over 13 days, creating a humid atmosphere with an average humidity level of 90%.

January Temperature in Siemysl

In January in Siemysl, the average temperature is 2°C (35°F). Maximum can reach 12°C (54°F) and minimum can be as low as -12°C (11°F). Be prepared for cold weather and dress in layers when traveling to Siemysl during this time.

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

The chart illustrates January temperature patterns in Siemysl, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siemysl, January typically has an average temperature of 2°C (35°F), with highs reaching up to 12°C (54°F) and lows dropping to around -12°C (11°F).

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

January Precipitation in Siemysl

In Siemysl in January, the precipitation amount is 60 mm (2.4 in) over a span of 13 days.

January Precipitation Trends in Siemysl

The chart displays monthly precipitation patterns in Siemysl, 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 Siemysl, January typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Siemysl

In Siemysl in January humidity is 90%. With an average temperature of 2°C (35°F), this humidity feels like a cold, damp blanket that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Siemysl

This chart illustrates the average monthly humidity levels in Siemysl, 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 Siemysl is approximately 90%, 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 Siemysl

In Siemysl 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 Siemysl.

Maximum UV Index Levels in Siemysl for January

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

Data source: Siemysl 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 Siemysl Compares to Other Months

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

This table compares monthly weather conditions in Siemysl, 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)	60 mm (2.4 inches)	90%	low
February Weather	2°C (36°F)	49 mm (1.9 inches)	90%	low
March Weather	4°C (39°F)	54 mm (2.1 inches)	87%	moderate
April Weather	8°C (46°F)	40 mm (1.6 inches)	80%	moderate
May Weather	12°C (55°F)	58 mm (2.3 inches)	67%	high
June Weather	18°C (65°F)	59 mm (2.3 inches)	67%	very high
July Weather	18°C (65°F)	117 mm (4.6 inches)	67%	high
August Weather	19°C (66°F)	72 mm (2.8 inches)	67%	high
September Weather	15°C (59°F)	73 mm (2.9 inches)	78%	moderate
October Weather	11°C (52°F)	76 mm (3.0 inches)	84%	moderate
November Weather	6°C (44°F)	52 mm (2.0 inches)	89%	low
December Weather	3°C (37°F)	54 mm (2.1 inches)	92%	low