May Weather in Suwalki, Poland

Last updated: August 27, 2025

In Suwalki, Poland, the average temperature in May hovers around 12°C (54°F). Visitors can expect a minimum of -1°C (30°F) and a maximum of 29°C (85°F). During this month, rainfall is moderate, with an average precipitation of 70 mm (2.8 in) spread over 12 days. The average humidity stands at a comfortable 59%, making it a pleasant time to explore.

May Temperature in Suwalki

In May in Suwalki, the average temperature is 12°C (54°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -1°C (30°F). Make sure to pack layers to stay comfortable during your travels, as the weather can vary significantly!

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

The chart illustrates May 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, May typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Suwalki

In Suwalki in May, the precipitation amount is 70 mm (2.8 in) over the course of 12 days.

May Precipitation Trends in Suwalki

The chart displays monthly precipitation patterns in Suwalki, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Suwalki, May typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Suwalki

In Suwalki in May, humidity is 59%. With an average temperature of 12°C (54°F), this humidity feels like a cool, refreshing breeze that slightly chills the air while adding a layer of moisture, making it ideal for leisurely exploration but possibly requiring a light jacket for comfort during outdoor activities.

May Average Humidity in Suwalki

This chart illustrates the average monthly humidity levels in Suwalki, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Suwalki is approximately 59%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Suwalki

In Suwalki in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Suwalki, you can refer to this Hourly UV Index in Suwalki.

Maximum UV Index Levels in Suwalki for May

The chart shows the monthly maximum UV Index (UVI) for Suwalki in May, 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 May, the maximum UV index in Suwalki typically reaches 6, which falls under the high exposure category.

Data source: Suwalki May 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 May 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 May’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 May’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