January Weather in Sarnow, Poland

Last updated: August 27, 2025

In Sarnow, Poland, the average temperature in January hovers around -1°C (31°F). This chilly month can bring extremes, with minimum temperatures plunging to -25°C (-14°F) and peaking at a brisk 11°C (52°F). Expect 41 mm (1.6 in) of precipitation spread over 11 days, accompanied by a high average humidity of 90%, creating a truly wintry atmosphere.

January Temperature in Sarnow

In January in Sarnow, the average temperature is -1°C (31°F), with maximums reaching up to 11°C (52°F) and minimums dipping as low as -25°C (-14°F). Travelers should prepare for a wide range of temperatures and dress in layers to stay comfortable.

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

The chart illustrates January temperature patterns in Sarnow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sarnow, January typically has an average temperature of -1°C (31°F), with highs reaching up to 11°C (52°F) and lows dropping to around -25°C (-14°F).

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

January Precipitation in Sarnow

In Sarnow in January, the precipitation amount is 41 mm (1.6 in) over the course of 11 days.

January Precipitation Trends in Sarnow

The chart displays monthly precipitation patterns in Sarnow, 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 Sarnow, January typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 11 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 Sarnow

In Sarnow in January humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

January Average Humidity in Sarnow

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

In Sarnow in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Sarnow, you can visit Hourly UV Index in Sarnow.

Maximum UV Index Levels in Sarnow for January

The chart shows the monthly maximum UV Index (UVI) for Sarnow 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 Sarnow typically reaches 2, which falls under the low exposure category.

Data source: Sarnow 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 Sarnow Compares to Other Months

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

This table compares monthly weather conditions in Sarnow, 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 (31°F)	41 mm (1.6 inches)	90%	low
February Weather	1°C (35°F)	56 mm (2.2 inches)	88%	low
March Weather	4°C (40°F)	47 mm (1.8 inches)	86%	moderate
April Weather	9°C (49°F)	60 mm (2.4 inches)	79%	moderate
May Weather	14°C (57°F)	94 mm (3.7 inches)	65%	high
June Weather	19°C (67°F)	80 mm (3.2 inches)	66%	very high
July Weather	20°C (68°F)	89 mm (3.5 inches)	67%	very high
August Weather	20°C (68°F)	103 mm (4.0 inches)	67%	high
September Weather	15°C (59°F)	101 mm (4.0 inches)	72%	high
October Weather	11°C (51°F)	73 mm (2.9 inches)	83%	moderate
November Weather	6°C (42°F)	47 mm (1.8 inches)	90%	low
December Weather	2°C (35°F)	59 mm (2.3 inches)	92%	low