nomadseason

May Weather in Siemien, Poland

Last updated: August 27, 2025

In May, the average temperature in Siemien, Poland is a mild 14°C (57°F), with minimums dipping to -1°C (31°F) and maximums soaring up to 30°C (87°F). You'll experience 14 rainy days that contribute to an overall precipitation of 73 mm (2.9 in). With an average humidity level of 62%, be prepared for a comfortable yet slightly damp atmosphere!

May Temperature in Siemien

In May in Siemien, the average temperature is 14°C (57°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as -1°C (31°F). It's advisable to pack layers to accommodate the varied temperatures during your travels.

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

The chart illustrates May temperature patterns in Siemien, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siemien, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec303238485768686758504134
Data source: Temperature data for Siemien generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Siemien

In Siemien in May, the total precipitation amount is 73 mm (2.9 in) over the course of 14 days.

May Precipitation Trends in Siemien

The chart displays monthly precipitation patterns in Siemien, 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 Siemien, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4043394773778410175633552
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Siemien

In Siemien in May humidity is 62%. With an average temperature of 14°C (57°F), this humidity feels like a refreshing embrace, making it a pleasant experience for traveling as the mild climate invites you to explore without feeling too hot or sweaty.

May Average Humidity in Siemien

This chart illustrates the average monthly humidity levels in Siemien, 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 Siemien is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%77%62%61%61%60%70%86%90%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Siemien

In Siemien in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Siemien.

Maximum UV Index Levels in Siemien for May

The chart shows the monthly maximum UV Index (UVI) for Siemien 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 Siemien typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578876321
Data source: Siemien 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 Siemien Compares to Other Months

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

This table compares monthly weather conditions in Siemien, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)40 mm (1.6 inches)92%low
February Weather0°C (32°F)43 mm (1.7 inches)89%low
March Weather3°C (38°F)39 mm (1.5 inches)87%moderate
April Weather9°C (48°F)47 mm (1.8 inches)77%moderate
May Weather14°C (57°F)73 mm (2.9 inches)62%high
June Weather20°C (68°F)77 mm (3.0 inches)61%very high
July Weather20°C (68°F)84 mm (3.3 inches)60%very high
August Weather20°C (68°F)101 mm (4.0 inches)60%high
September Weather15°C (59°F)75 mm (3.0 inches)70%high
October Weather10°C (50°F)63 mm (2.5 inches)86%moderate
November Weather5°C (41°F)35 mm (1.4 inches)90%low
December Weather1°C (34°F)52 mm (2.0 inches)92%low

Compare Siemien's Climate with Cities Worldwide