January Weather in Suwalki, Poland

Last updated: August 27, 2025

In January, the average temperature in Suwalki, Poland is a brisk -2°C (29°F), with extremes ranging from a chilly -25°C (-12°F) to a milder 8°C (47°F). During this time, expect about 43 mm (1.7 in) of precipitation over 11 days, accompanied by a high average humidity of 93%. Stay warm and prepared for a variety of weather conditions!

January Temperature in Suwalki

In January in Suwalki, the average temperature is -2°C (29°F), with maximums reaching 8°C (47°F) and minimums dropping as low as -25°C (-12°F). Travelers should prepare for chilly conditions and variable weather during this time.

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

The chart illustrates January temperature patterns in Suwalki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suwalki, January typically has an average temperature of -2°C (29°F), with highs reaching up to 8°C (47°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Suwalki

In Suwalki in January, the total precipitation amount is 43 mm (1.7 in) recorded over a span of 11 days.

January Precipitation Trends in Suwalki

The chart displays monthly precipitation patterns in Suwalki, 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 Suwalki, January typically receives around 43 mm (1.7 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 Suwalki

In Suwalki in January humidity is 93%. With an average temperature of -2°C (29°F), this humidity feels like a dense, frosty blanket that clings to you, making the cold seep into your bones and transforming outdoor activities into a chilly challenge.

January Average Humidity in Suwalki

This chart illustrates the average monthly humidity levels in Suwalki, 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 Suwalki is approximately 93%, 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 Suwalki

In Suwalki 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 Suwalki.

Maximum UV Index Levels in Suwalki for January

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

Data source: Suwalki 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 Suwalki Compares to Other Months

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

This table compares monthly weather conditions in Suwalki, 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 (29°F)	43 mm (1.7 inches)	93%	low
February Weather	-1°C (30°F)	36 mm (1.4 inches)	90%	low
March Weather	2°C (36°F)	42 mm (1.6 inches)	88%	moderate
April Weather	7°C (45°F)	45 mm (1.8 inches)	77%	moderate
May Weather	12°C (54°F)	70 mm (2.8 inches)	59%	high
June Weather	18°C (65°F)	54 mm (2.1 inches)	59%	very high
July Weather	19°C (66°F)	95 mm (3.8 inches)	60%	high
August Weather	18°C (65°F)	85 mm (3.3 inches)	60%	high
September Weather	14°C (57°F)	69 mm (2.7 inches)	72%	moderate
October Weather	9°C (48°F)	62 mm (2.4 inches)	88%	moderate
November Weather	4°C (40°F)	40 mm (1.6 inches)	91%	low
December Weather	0°C (32°F)	55 mm (2.2 inches)	93%	low