May Weather in Klaj, Poland

Last updated: August 27, 2025

In May, the average temperature in Klaj, Poland hovers around 14°C (57°F). Expect a range that can dip to a brisk -2°C (29°F) or soar to a warm 29°C (85°F). With 103 mm (4.1 in) of precipitation spread over 16 days, it’s wise to keep an umbrella handy. The average humidity sits at a comfortable 69%, making it an interesting month to experience the local climate.

May Temperature in Klaj

In May in Klaj, the average temperature is 14°C (57°F). Maximums can reach 29°C (85°F), while minimums can dip to as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates May temperature patterns in Klaj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Klaj, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Klaj

In Klaj in May, the precipitation amount is 103 mm (4.1 in) spread over 16 days.

May Precipitation Trends in Klaj

The chart displays monthly precipitation patterns in Klaj, 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 Klaj, May typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 16 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 Klaj

In Klaj in May, humidity is 69%. With an average temperature of 14°C (57°F), this humidity feels like a mild blanket wrapping around you, making outdoor activities slightly uncomfortable but manageable for traveling, especially if you stay hydrated and take breaks in shaded areas.

May Average Humidity in Klaj

This chart illustrates the average monthly humidity levels in Klaj, 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 Klaj is approximately 69%, 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 Klaj

In Klaj in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Klaj.

Maximum UV Index Levels in Klaj for May

The chart shows the monthly maximum UV Index (UVI) for Klaj 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 Klaj typically reaches 7, which falls under the high exposure category.

Data source: Klaj 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 Klaj Compares to Other Months

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

This table compares monthly weather conditions in Klaj, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	37 mm (1.5 inches)	91%	low
February Weather	1°C (35°F)	57 mm (2.2 inches)	88%	low
March Weather	4°C (40°F)	45 mm (1.8 inches)	86%	moderate
April Weather	9°C (49°F)	63 mm (2.5 inches)	77%	moderate
May Weather	14°C (57°F)	103 mm (4.1 inches)	69%	high
June Weather	19°C (67°F)	80 mm (3.2 inches)	69%	very high
July Weather	20°C (68°F)	102 mm (4.0 inches)	63%	very high
August Weather	20°C (68°F)	123 mm (4.9 inches)	59%	high
September Weather	15°C (59°F)	104 mm (4.1 inches)	69%	high
October Weather	10°C (51°F)	80 mm (3.2 inches)	85%	moderate
November Weather	5°C (42°F)	48 mm (1.9 inches)	90%	low
December Weather	2°C (35°F)	58 mm (2.3 inches)	91%	low