January Weather in Ketrzyn, Poland

Last updated: August 27, 2025

In January, the average temperature in Ketrzyn, Poland hovers around -1°C (30°F), making it a chilly time of year. Temperatures can dip as low as -21°C (-6°F), while the highest recorded average reaches 9°C (48°F). Expect 44 mm (1.7 in) of precipitation spread over 12 days, contributing to an average humidity level of a brisk 92%.

January Temperature in Ketrzyn

In January in Ketrzyn, the average temperature is -1°C (30°F), with maximums reaching 9°C (48°F) and minimums dipping as low as -21°C (-6°F). Travelers should be prepared for frigid conditions and dress warmly to enjoy their time in this chilly destination.

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

The chart illustrates January temperature patterns in Ketrzyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ketrzyn, January typically has an average temperature of -1°C (30°F), with highs reaching up to 9°C (48°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in Ketrzyn

In Ketrzyn in January, the total precipitation amounts to 44 mm (1.7 in) over the course of 12 days.

January Precipitation Trends in Ketrzyn

The chart displays monthly precipitation patterns in Ketrzyn, 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 Ketrzyn, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 12 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 Ketrzyn

In Ketrzyn in January humidity is 92%. With an average temperature of -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities challenging and requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Ketrzyn

This chart illustrates the average monthly humidity levels in Ketrzyn, 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 Ketrzyn is approximately 92%, 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 Ketrzyn

In Ketrzyn 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 Ketrzyn.

Maximum UV Index Levels in Ketrzyn for January

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

Data source: Ketrzyn 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 Ketrzyn Compares to Other Months

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

This table compares monthly weather conditions in Ketrzyn, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	44 mm (1.7 inches)	92%	low
February Weather	-1°C (31°F)	39 mm (1.5 inches)	90%	low
March Weather	3°C (37°F)	46 mm (1.8 inches)	87%	moderate
April Weather	7°C (46°F)	43 mm (1.7 inches)	76%	moderate
May Weather	12°C (55°F)	76 mm (3.0 inches)	58%	high
June Weather	18°C (65°F)	54 mm (2.1 inches)	56%	high
July Weather	19°C (66°F)	101 mm (4.0 inches)	59%	high
August Weather	18°C (65°F)	78 mm (3.1 inches)	60%	high
September Weather	14°C (58°F)	67 mm (2.6 inches)	71%	moderate
October Weather	10°C (49°F)	69 mm (2.7 inches)	86%	moderate
November Weather	5°C (41°F)	42 mm (1.7 inches)	90%	low
December Weather	1°C (34°F)	57 mm (2.2 inches)	93%	low