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May Weather in Warsaw, United States

Last updated: June 24, 2025

In Warsaw, United States, the average temperature in May is a pleasant 19°C (66°F). However, be prepared for a temperature range where the minimum can drop to 0°C (32°F) and the maximum can soar to 32°C (90°F). During this month, you can expect 129 mm (5.1 in) of precipitation over approximately 16 days, contributing to an average humidity level of 79%.

May Temperature in Warsaw

In May in Warsaw, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as 0°C (32°F). This variation makes it essential for travelers to pack accordingly for both warm and cool conditions.

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 (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec343846556673777570594439
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 129 mm (5.1 in), recorded over a span of 16 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 129 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec831221381321291631169710310392108
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 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
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)83 mm (3.3 inches)87%moderate
February Weather3°C (38°F)122 mm (4.8 inches)85%moderate
March Weather8°C (46°F)138 mm (5.4 inches)86%high
April Weather13°C (55°F)132 mm (5.2 inches)84%very high
May Weather19°C (66°F)129 mm (5.1 inches)79%very high
June Weather23°C (74°F)162 mm (6.4 inches)82%very high
July Weather25°C (77°F)116 mm (4.6 inches)79%very high
August Weather24°C (75°F)97 mm (3.8 inches)70%very high
September Weather21°C (71°F)103 mm (4.0 inches)69%very high
October Weather15°C (59°F)103 mm (4.1 inches)76%high
November Weather7°C (44°F)92 mm (3.6 inches)88%moderate
December Weather4°C (40°F)108 mm (4.3 inches)87%moderate

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