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May Weather in Poland, United States

Last updated: June 24, 2025

In Poland, United States, the average temperature in May hovers around 12°C (54°F). However, it can swing from a chilly 1°C (34°F) to a warm 31°C (88°F). Expect approximately 74 mm (2.9 in) of precipitation spread over 9 days, and make sure to stay hydrated with an average humidity of 72%.

May Temperature in Poland

In May in Poland, the average temperature is 12°C (54°F). Maximums can reach 31°C (88°F), and minimums can be as low as 1°C (34°F). This weather variation makes it advisable for travelers to pack layers to accommodate both warmer and cooler conditions.

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

The chart illustrates May temperature patterns in Poland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poland, May typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec232531435465717163523928
Data source: Temperature data for Poland 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 Poland

In Poland in May, the precipitation amount is 74 mm (2.9 in), which occurs over a span of 9 days.

May Precipitation Trends in Poland

The chart displays monthly precipitation patterns in Poland, 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 Poland, May typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec79857211274731397962117102110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Poland

In Poland in May, humidity is 72%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill that wraps around you, making outdoor excursions a bit uncomfortable. You may find yourself reaching for an extra layer as the moisture in the air adds to the coolness, prompting travelers to seek out sheltered spots to enjoy the scenery.

May Average Humidity in Poland

This chart illustrates the average monthly humidity levels in Poland, 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 Poland is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Poland

In Poland 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 Poland.

Maximum UV Index Levels in Poland for May

The chart shows the monthly maximum UV Index (UVI) for Poland 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 Poland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Poland 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 Poland Compares to Other Months

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

This table compares monthly weather conditions in Poland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)79 mm (3.1 inches)86%low
February Weather-4°C (25°F)85 mm (3.3 inches)84%moderate
March Weather0°C (32°F)72 mm (2.9 inches)82%moderate
April Weather6°C (43°F)112 mm (4.4 inches)80%very high
May Weather12°C (54°F)74 mm (2.9 inches)72%very high
June Weather19°C (66°F)73 mm (2.9 inches)72%very high
July Weather22°C (72°F)139 mm (5.5 inches)67%very high
August Weather21°C (71°F)79 mm (3.1 inches)66%very high
September Weather17°C (64°F)62 mm (2.4 inches)71%high
October Weather11°C (52°F)117 mm (4.6 inches)78%moderate
November Weather4°C (39°F)102 mm (4.0 inches)84%moderate
December Weather-2°C (28°F)110 mm (4.3 inches)81%low

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