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May Weather in Wizna, Poland

Last updated: August 27, 2025

In May, the average temperature in Wizna, Poland hovers around 13°C (56°F), but prepare for a wide range—minimums can plummet to -2°C (29°F) while maximums may soar to 30°C (85°F). With an expected precipitation of 75 mm (2.9 in) spread across about 11 days, you’ll want to keep an umbrella handy. The average humidity sits comfortably at 58%, ensuring a pleasant, yet occasionally unpredictable, climate.

May Temperature in Wizna

In May in Wizna, the average temperature is 13°C (56°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as -2°C (29°F). This variability makes it essential for travelers to pack a versatile wardrobe to enjoy their visit comfortably.

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

The chart illustrates May temperature patterns in Wizna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wizna, May typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (85°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec293137465566666557494133
Data source: Temperature data for Wizna 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 Wizna

In Wizna in May, the precipitation amount is 75 mm (2.9 in) over the course of 11 days.

May Precipitation Trends in Wizna

The chart displays monthly precipitation patterns in Wizna, 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 Wizna, May typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec424042377570968372623554
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Wizna

In Wizna in May, humidity is 58%. With an average temperature of 13°C (56°F), this humidity feels like a refreshing coolness that invigorates the senses, making it pleasant for traveling as long as you dress in layers to adjust to the slight chill.

May Average Humidity in Wizna

This chart illustrates the average monthly humidity levels in Wizna, 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 Wizna is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%76%58%56%59%60%71%86%90%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Wizna

In Wizna 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 Wizna, you can refer to this Hourly UV Index in Wizna.

Maximum UV Index Levels in Wizna for May

The chart shows the monthly maximum UV Index (UVI) for Wizna 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 Wizna typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567865321
Data source: Wizna 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 Wizna Compares to Other Months

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

This table compares monthly weather conditions in Wizna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)42 mm (1.7 inches)92%low
February Weather0°C (31°F)40 mm (1.6 inches)90%low
March Weather3°C (37°F)42 mm (1.7 inches)87%moderate
April Weather8°C (46°F)37 mm (1.4 inches)76%moderate
May Weather13°C (56°F)75 mm (2.9 inches)58%high
June Weather19°C (66°F)70 mm (2.8 inches)56%high
July Weather19°C (66°F)96 mm (3.8 inches)59%very high
August Weather19°C (66°F)83 mm (3.3 inches)60%high
September Weather14°C (58°F)72 mm (2.8 inches)71%moderate
October Weather9°C (49°F)62 mm (2.4 inches)86%moderate
November Weather5°C (41°F)35 mm (1.4 inches)90%low
December Weather1°C (33°F)54 mm (2.1 inches)93%low

Compare Wizna's Climate with Cities Worldwide