May Weather in Warsaw, United States

Last updated: June 24, 2025

In Warsaw, United States, the average temperature in May hovers around 22°C (72°F). Expect a temperature range that can dip as low as 4°C (40°F) and soar up to 37°C (99°F). During this month, anticipate 123 mm (4.8 in) of precipitation spread over 10 days, with an average humidity level of 81%, making it a particularly moist time of year.

May Temperature in Warsaw

In May in Warsaw, the average temperature is 22°C (72°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 4°C (40°F). It's advisable to pack accordingly for a variety of weather conditions while enjoying 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 22°C (72°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (40°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 123 mm (4.8 in) over the course of 10 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 123 mm (4.8 inches) of precipitation spread over approximately 10 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 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme 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	7°C (46°F)	87 mm (3.4 inches)	85%	moderate
February Weather	10°C (51°F)	86 mm (3.4 inches)	82%	high
March Weather	12°C (55°F)	69 mm (2.7 inches)	81%	very high
April Weather	17°C (63°F)	94 mm (3.7 inches)	80%	very high
May Weather	22°C (72°F)	123 mm (4.8 inches)	81%	extreme
June Weather	25°C (77°F)	159 mm (6.3 inches)	81%	extreme
July Weather	27°C (80°F)	139 mm (5.5 inches)	81%	extreme
August Weather	26°C (79°F)	178 mm (7.0 inches)	80%	very high
September Weather	24°C (75°F)	183 mm (7.2 inches)	79%	very high
October Weather	19°C (67°F)	59 mm (2.3 inches)	80%	very high
November Weather	12°C (54°F)	83 mm (3.3 inches)	85%	moderate
December Weather	9°C (49°F)	111 mm (4.4 inches)	86%	moderate