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May Weather in Sztum, Poland

Last updated: August 27, 2025

In Sztum, Poland, the average temperature in May hovers around 12°C (54°F), with minimums dipping to -1°C (30°F) and maximums soaring to 28°C (83°F). During this time, expect 77 mm (3.0 in) of precipitation spread over 13 days, contributing to an average humidity of 63%. Whether you're exploring the sights or simply enjoying the weather, be prepared for a mix of conditions!

May Temperature in Sztum

In May in Sztum, the average temperature is 12°C (54°F). The maximum can reach 28°C (83°F), and the minimum can be as low as -1°C (30°F). This diverse temperature range makes Sztum an interesting destination for travelers seeking both warmth and a chance to experience cooler weather.

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

The chart illustrates May temperature patterns in Sztum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sztum, May typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec333338465464666658514235
Data source: Temperature data for Sztum 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 Sztum

In Sztum in May, the precipitation amount is 77 mm (3.0 in) spread over a total of 13 days.

May Precipitation Trends in Sztum

The chart displays monthly precipitation patterns in Sztum, 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 Sztum, May typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4238413877791047172644150
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sztum

In Sztum in May humidity is 63%. With an average temperature of 12°C (54°F), this humidity feels like a refreshing chill paired with a slight stickiness in the air, making it an invigorating yet slightly cumbersome experience for traveling.

May Average Humidity in Sztum

This chart illustrates the average monthly humidity levels in Sztum, 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 Sztum is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%79%63%61%63%65%75%85%90%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sztum

In Sztum in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sztum, you can refer to this Hourly UV Index in Sztum.

Maximum UV Index Levels in Sztum for May

The chart shows the monthly maximum UV Index (UVI) for Sztum 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 Sztum typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568865311
Data source: Sztum 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 Sztum Compares to Other Months

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

This table compares monthly weather conditions in Sztum, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)42 mm (1.6 inches)91%low
February Weather0°C (33°F)38 mm (1.5 inches)90%low
March Weather3°C (38°F)41 mm (1.6 inches)87%moderate
April Weather8°C (46°F)38 mm (1.5 inches)79%moderate
May Weather12°C (54°F)77 mm (3.0 inches)63%high
June Weather18°C (65°F)79 mm (3.1 inches)61%very high
July Weather19°C (66°F)104 mm (4.1 inches)63%very high
August Weather19°C (66°F)71 mm (2.8 inches)65%high
September Weather15°C (59°F)72 mm (2.8 inches)75%moderate
October Weather10°C (51°F)64 mm (2.5 inches)85%moderate
November Weather6°C (43°F)41 mm (1.6 inches)90%low
December Weather2°C (35°F)49 mm (1.9 inches)93%low

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