May Weather in Cieszyn, Poland

Last updated: August 27, 2025

In Cieszyn, Poland, May brings a dynamic climate characterized by warm days and cool nights. With temperatures soaring to a maximum of 29°C (85°F) and dipping to a cool minimum of -2°C (29°F), this month presents a delightful mix for residents and visitors alike, averaging around 13°C (55°F). Yet, May is not without its showers; the region experiences 122 mm (4.8 in) of precipitation over approximately 18 days, resulting in a humidity level of 70%. Despite the frequent rain, the lush landscapes and blooming flora make this month particularly enchanting.

May Temperature in Cieszyn

In May, Cieszyn, Poland, ushers in a notable shift from the lingering chill of winter, as temperatures begin to rise significantly. The month opens with an average low of -2°C (29°F), but warmth quickly sets in, bringing about pleasant days with highs reaching up to 29°C (85°F). With an average temperature of 13°C (55°F), May showcases the city's burgeoning spring, characterized by vibrant blooms and lively outdoor activities. This transition from cooler April days signals the approach of summer, as residents and visitors alike can relish in the gentle warmth and sunshine that May offers, making it a delightful time to explore the charming streets and lush landscapes of Cieszyn.

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

The chart illustrates May temperature patterns in Cieszyn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cieszyn, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec303439475565666658504234
Data source: Temperature data for Cieszyn 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 Cieszyn

May in Cieszyn, Poland, sees a significant surge in precipitation, with 122 mm (4.8 inches) falling over 18 days, marking it as the wettest month of the year. This increase is a notable rise from the preceding months, where average rainfall hovers around 70 mm. The frequency of rainy days in May, almost every other day, contributes to the lush and vibrant landscapes typical of late spring. As winter's chill fades, the ample moisture supports the blossoming flora, making this month not only the wettest but also a transformative period in Cieszyn, heralding the full arrival of spring.

May Precipitation Trends in Cieszyn

The chart displays monthly precipitation patterns in Cieszyn, 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 Cieszyn, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5672617012295107124117975586
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cieszyn

In Cieszyn, Poland, the month of May marks a notable shift in humidity levels as the seasonal transition takes hold. With an average humidity of 70%, May is a breath of fresh air compared to the chilly, damp depths of winter, where humidity levels peak at 90% in January and February. As spring unfolds, humidity begins to decline from the wetter months, dropping to 76% in April, before reaching its May low. The trend continues into the summer, where a more comfortable 67% is recorded in July. This gradual decrease highlights the region's shift towards a drier climate as warmer temperatures approach, making May a pleasant, moderate month ideal for outdoor activities.

May Average Humidity in Cieszyn

This chart illustrates the average monthly humidity levels in Cieszyn, 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 Cieszyn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cieszyn

In May, Cieszyn, Poland, experiences a noticeable uptick in UV radiation, with the UV Index reaching 7, categorized as high. As spring unfolds, residents and visitors should be aware that their burn time reduces to just 25 minutes—a significant shift from the more forgiving winter months. This trend marks an increasing intensity in sunlight as summer approaches, which continues with even higher indices in June and July. As you enjoy the outdoor warmth, make sure to take precautions against UV exposure. For more detailed insights, visit Cieszyn UV Index.

Maximum UV Index Levels in Cieszyn for May

The chart shows the monthly maximum UV Index (UVI) for Cieszyn 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 Cieszyn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Cieszyn 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.

May Sunshine in Cieszyn

As spring blossoms into summer, Cieszyn, Poland basks in an increasing abundance of sunlight, culminating in May, where residents enjoy an impressive 371 hours of sunshine. This rise in light starts with a modest 136 hours in January and gradually climbs, showcasing a steady trend as the days lengthen—325 hours in April elevates expectations before the sun truly shines in May. Following this peak, June continues the trend with even 410 hours, while July reaches a maximum with 423 hours of radiant daylight. Cieszyn's summer months set a vibrant stage for outdoor activities and community gatherings, making the most of nature's brilliance.

Monthly Sunshine Duration in Cieszyn: May Highlighted

The May sunshine duration represents the total number of hours Cieszyn experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec136h193h291h325h371h410h423h387h308h260h200h147h
Data source: Cieszyn May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cieszyn During May

In Cieszyn, Poland, May presents a moderate likelihood of sunny weather, with a 32% chance of sunny days. This figure aligns closely with the preceding month of April, which shows a 34% chance, suggesting a steady transition towards warmer, sunnier days as spring progresses. Interestingly, May's sunshine probability is lower than the upcoming June, where conditions become significantly sunnier, boasting a 49% chance of sunshine. As the seasons shift, the trend indicates that while May may not guarantee abundant sunshine, it nonetheless marks a pivotal point as Cieszyn inches closer to the brighter days of summer.

Percentage of Sunny Days in May in Cieszyn

The chart illustrates the percentage of sunny days in Cieszyn throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cieszyn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%30%40%34%32%49%38%34%40%47%27%16%
Data source: Cieszyn May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cieszyn in May

As spring unfolds into summer, Cieszyn, Poland, experiences a notable increase in daylight duration that significantly enhances the region’s natural beauty. In May, the days stretch to an impressive 15 hours, creating a vibrant atmosphere perfect for outdoor activities and exploration. This rise follows a gradual ascent from 11 hours in March and 13 hours in April, marking a clear transition towards the longest days of the year. As summer approaches, daylight peaks in June with 16 hours, before gently tapering off in the subsequent months. This trend not only showcases the shifting seasons but also invites residents and visitors alike to embrace the sun-soaked days of late spring and early summer, enriching the cultural and social landscape of Cieszyn.

Average Daylight Hours in Cieszyn for May

The chart illustrates the variation in daylight duration in Cieszyn throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 39m10h 6m11h 55m13h 46m15h 23m16h 13m15h 46m14h 20m12h 33m10h 42m9h 3m8h 11m
Data source: Cieszyn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Cieszyn

In Cieszyn, Poland, the month of May brings a gentle increase in the winds, with an average speed of 3.6 m/s (8 mph). This uptick follows the steadiness of the preceding spring months, where wind speeds hovered around 3.1 to 3.3 m/s (7 mph). As nature awakens in May, the breezy atmosphere complements the blooming landscapes, creating an invigorating environment perfect for outdoor activities. Interestingly, this month marks a transition, as the winds begin to wane in the summer months ahead; a sharp contrast to the more robust breezes experienced in October later in the year. Thus, May serves as a delightful reminder of spring's vitality before the calm of summer settles in.

Average May Wind Speed in Cieszyn

The chart displays monthly wind speed patterns in Cieszyn, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.33.13.33.6 m/s2.22.32.62.63.63.23.2
Data source: Cieszyn May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Cieszyn Compares to Other Months

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

The weather in May and January presents a stark contrast, reflecting the changing seasons. In May, temperatures can range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 29°C (85°F), with an average temperature of 13°C (55°F). This month also experiences relatively high humidity at 70% and significant precipitation of 122 mm (4.8 in) over 18 days. In contrast, January is characterized by much colder conditions, with temperatures plummeting to a minimum of -20°C (-3°F) and an average temperature of -1°C (30°F), only reaching a maximum of 10°C (51°F). This month sees lower precipitation levels of 56 mm (2.2 in) across 12 days, but the humidity is higher at 90%, contributing to a starkly different winter atmosphere. For more detailed information about January weather conditions, you can check Cieszyn weather in January.

In comparing the weather between May and February, it is clear that May experiences significantly milder temperatures, with an average of 13°C (55°F) compared to February's chilly average of 1°C (34°F). While February can see temperatures as low as -18°C (0°F), May's minimum dips only to -2°C (29°F). Precipitation in May is higher at 122 mm (4.8 in) over 18 days, compared to February's 72 mm (2.8 in) over 13 days, although the humidity is notably higher in February at 87%, compared to 70% in May. For a more detailed look into February's weather, you can visit Cieszyn weather in February.

When comparing the weather in May and March, a clear contrast emerges in both temperature and precipitation. May generally experiences milder conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 29°C (85°F) and an average of 13°C (55°F). In contrast, March is considerably colder, with temperatures dipping as low as -22°C (-8°F) and peaking at 20°C (68°F), averaging around 4°C (39°F). Additionally, while May sees higher precipitation levels of 122 mm (4.8 in) over 18 days, March has less rainfall, measuring 61 mm (2.4 in) across 14 days. Interestingly, March's humidity is notably higher at 83%, compared to May's 70%. For more specifics on March weather, you can visit Cieszyn weather in March.

In comparing the weather of May and April, May tends to be significantly warmer and wetter than April. The minimum temperature in May is higher at -2°C (29°F), while April experiences colder nights with a minimum of -6°C (22°F). Average temperatures also see a notable increase, with May averaging 13°C (55°F) compared to April's 8°C (47°F). Additionally, May's maximum temperature reaches 29°C (85°F), slightly surpassing April's high of 27°C (81°F). However, May brings more precipitation, totaling 122 mm (4.8 in) over 18 days, whereas April has only 70 mm (2.8 in) across 11 days. The humidity in April is slightly higher at 76%, compared to 70% in May. For more detailed information on April weather, you can visit Cieszyn weather in April.

May and June present distinct contrasts in weather. In May, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), with an average of 13°C (55°F). The month is marked by significant precipitation, totaling 122 mm (4.8 in) over 18 days, accompanied by a humidity level of 70%. Conversely, June experiences a more stable and warmer climate, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (89°F) and an average of 18°C (65°F). Rainfall decreases to 95 mm (3.8 in) over 14 days, and humidity remains slightly elevated at 71%. For more detailed insights, you can check Cieszyn weather in June.

May and July present distinct contrasts in weather characteristics. In May, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), with an average of 13°C (55°F). The month sees considerable precipitation, totaling 122 mm (4.8 in) across 18 days and a relatively high humidity level of 70%. In contrast, July showcases a milder temperature profile, with a min of 7°C (44°F), an average of 19°C (66°F), and a maximum reaching 33°C (92°F). Rainfall is slightly less in July, measuring 107 mm (4.2 in) over 16 days, and the humidity decreases to 67%. For a closer look at the weather specifics in July, visit Cieszyn weather in July.

In May, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), with an average temperature of 13°C (55°F). The month is characterized by significant precipitation, totaling 122 mm (4.8 in) over 18 days, coupled with a humidity level of 70%. In contrast, August experiences milder temperatures, with a minimum of 7°C (45°F) and a maximum of 33°C (92°F), resulting in a more comfortable average of 19°C (67°F). Although August has slightly higher precipitation at 124 mm (4.9 in) over 14 days, it boasts a lower humidity level of 64%. For more details, you can check Cieszyn weather in August.

May and September both feature a maximum temperature of 29°C (85°F), but overall, May tends to be slightly warmer, with an average temperature of 13°C (55°F) compared to September's 14°C (58°F). In terms of precipitation, May sees a bit more rainfall, at 122 mm (4.8 in) over 18 days, while September has 117 mm (4.6 in) over just 14 days. Additionally, humidity levels are a bit higher in May at 70%, compared to September's 67%. For a more detailed look at weather conditions in September, check out Cieszyn weather in September.

May and October present distinct weather experiences. In May, temperatures can range from a chilly -2°C (29°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 13°C (55°F). This month sees higher precipitation, averaging 122 mm (4.8 in) over 18 days, combined with a humidity level of 70%. In contrast, October's temperatures drop slightly, with a minimum of -3°C (27°F) and a maximum of 25°C (77°F), averaging 10°C (51°F). While October has less rainfall, totaling 97 mm (3.8 in) over 12 days, it features higher humidity at 83%. For more details on the October climate, you can visit Cieszyn weather in October.

May and November exhibit contrasting weather patterns, with May typically experiencing milder temperatures and more variable conditions. In May, temperatures range from a minimum of -2°C (29°F) to an average of 13°C (55°F), peaking at 29°C (85°F), while November shows a chillier range with lows around -8°C (18°F) and an average of 6°C (42°F). Precipitation differs significantly as well; May sees about 122 mm (4.8 in) over 18 days, compared to November's 55 mm (2.1 in) over just 10 days. Humidity levels are higher in November at 90%, while May maintains a relatively lower average of 70%. For a detailed look at November conditions, you can check out Cieszyn weather in November.

In May, temperatures in Cieszyn can vary significantly, with a minimum of -2°C (29°F) and a maximum reaching up to 29°C (85°F), resulting in an average of 13°C (55°F). The month experiences around 122 mm (4.8 in) of precipitation over approximately 18 days and a humidity level of 70%. In contrast, December presents much colder weather with a maximum temperature of 15°C (58°F) and a chilling minimum of -13°C (9°F), averaging just 1°C (34°F). Although December has lower total precipitation at 86 mm (3.4 in) over 15 days, it features a higher humidity level of 91%. For more detailed insights into December weather specifics, visit Cieszyn weather in December.

Compare Cieszyn's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Cieszyn

As spring fully unfolds in Cieszyn, May brings a delightful transition from the cooler temperatures of earlier months, with average highs reaching a pleasant 29°C (85°F). This month is characterized by a noticeable increase in warmth, although chilly nights can still dip to around -2°C (29°F). Precipitation is more frequent, with nearly 18 rainy days contributing to a total of 122 mm (4.8 in) of rain, resulting in a humidity level of 70%. Compared to other months, May offers a refreshing blend of warmth and the lush greenery brought on by spring rains, making it an ideal time to explore the region. For a deeper dive into weather patterns, check out the detailed Cieszyn Climate page.