May Weather in Warsaw, United States

Last updated: June 24, 2025

In May, the average temperature in Warsaw, United States is a comfortable 16°C (62°F). Be prepared for some variability, as temperatures can dip to a chilly -2°C (29°F) or soar up to a warm 34°C (94°F). Expect about 134 mm (5.3 in) of precipitation over 15 days, contributing to an average humidity level of 81%.

May Temperature in Warsaw

In May in Warsaw, the average temperature is 16°C (62°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -2°C (29°F). Be sure to pack layers to accommodate the wide temperature range during your travels!

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

The chart illustrates May temperature patterns in Warsaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warsaw, May typically has an average temperature of 16°C (62°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (29°F).

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

May Precipitation in Warsaw

In Warsaw in May, the total precipitation amount is 134 mm (5.3 in) spread over a period of 15 days.

May Precipitation Trends in Warsaw

The chart displays monthly precipitation patterns in Warsaw, 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 Warsaw, May typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 15 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Warsaw

In Warsaw in May, humidity is 81%. With an average temperature of 16°C (62°F), this humidity feels like a warm embrace that can quickly leave travelers feeling sticky and drained, making outdoor adventures a bit challenging unless they stay properly hydrated and take breaks in the shade.

May Average Humidity in Warsaw

This chart illustrates the average monthly humidity levels in Warsaw, 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 Warsaw is approximately 81%, 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 Warsaw

In Warsaw in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Warsaw.

Maximum UV Index Levels in Warsaw for May

The chart shows the monthly maximum UV Index (UVI) for Warsaw 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 Warsaw typically reaches 9, which falls under the very high exposure category.

Data source: Warsaw 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 Warsaw Compares to Other Months

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

This table compares monthly weather conditions in Warsaw, 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 (28°F)	73 mm (2.9 inches)	85%	moderate
February Weather	-1°C (30°F)	77 mm (3.0 inches)	85%	moderate
March Weather	4°C (40°F)	105 mm (4.1 inches)	86%	high
April Weather	9°C (49°F)	97 mm (3.8 inches)	87%	very high
May Weather	16°C (62°F)	134 mm (5.3 inches)	81%	very high
June Weather	22°C (72°F)	113 mm (4.4 inches)	82%	very high
July Weather	24°C (76°F)	116 mm (4.6 inches)	81%	very high
August Weather	23°C (73°F)	103 mm (4.1 inches)	79%	very high
September Weather	20°C (68°F)	74 mm (2.9 inches)	78%	very high
October Weather	13°C (56°F)	113 mm (4.5 inches)	81%	high
November Weather	5°C (40°F)	80 mm (3.2 inches)	89%	moderate
December Weather	1°C (34°F)	62 mm (2.5 inches)	86%	low