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May Weather in Warsaw, United States

Last updated: June 24, 2025

In May, the average temperature in Warsaw, United States is a pleasant 19°C (67°F). During this month, you can expect temperatures to range from a cool 5°C (41°F) to a warm 34°C (93°F). Be prepared for some rain, as 177 mm (7.0 in) of precipitation typically falls over 14 days, accompanied by an average humidity of 82%.

May Temperature in Warsaw

In May in Warsaw, the average temperature is 19°C (67°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 5°C (41°F). This varied climate makes Warsaw an ideal destination for travelers looking to experience both warm and cooler weather.

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 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec343648556677807773594640
Data source: Temperature data for Warsaw generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Warsaw

In Warsaw in May, the total precipitation amount is 177 mm (7.0 in) spread over a duration of 14 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 177 mm (7.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6561123120177102118115631025440
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Warsaw

In Warsaw in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
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 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35610101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)65 mm (2.5 inches)80%moderate
February Weather2°C (36°F)61 mm (2.4 inches)78%moderate
March Weather9°C (48°F)123 mm (4.8 inches)75%high
April Weather13°C (56°F)120 mm (4.7 inches)77%very high
May Weather19°C (67°F)177 mm (7.0 inches)82%very high
June Weather25°C (77°F)102 mm (4.0 inches)83%extreme
July Weather27°C (80°F)117 mm (4.6 inches)81%extreme
August Weather25°C (77°F)115 mm (4.5 inches)78%very high
September Weather23°C (73°F)63 mm (2.5 inches)72%very high
October Weather15°C (59°F)102 mm (4.0 inches)72%high
November Weather8°C (46°F)54 mm (2.1 inches)84%moderate
December Weather5°C (41°F)39 mm (1.6 inches)86%moderate

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