May Weather in Warsaw, Poland

Last updated: August 27, 2025

In May, Warsaw, Poland experiences a delightful transition into spring, with temperatures reaching a maximum of 30°C (86°F) and averaging around 14°C (57°F). However, the month can start off chilly, with a minimum temperature dipping to -3°C (27°F) on colder days. Rainfall is relatively moderate, totaling 82 mm (3.2 in) over approximately 12 days, while the humidity hovers around 58%, adding a refreshing touch to the vibrant atmosphere of the city. As nature comes alive, May offers a perfect blend of warmth and occasional showers, making it an ideal time for outdoor explorations in the Polish capital.

May Temperature in Warsaw

In May, temperatures in Warsaw, Poland begin to rise significantly, marking a transition to milder weather. The minimum temperature hovers around -3°C (27°F), while the average climbs to a pleasant 14°C (57°F), providing an inviting atmosphere for outdoor activities. The maximum temperature can reach a warm 30°C (86°F), showcasing the transition from the lingering chill of early spring to the onset of early summer. This month illustrates a dramatic shift in climate, with April's coolness making way for a vibrant and refreshing May, making it an ideal time to explore the city's parks and gardens in full bloom.

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

The chart illustrates May temperature patterns in Warsaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Warsaw, 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).
JanFebMarAprMayJunJulAugSepOctNovDec313339485767686759514235
Data source: Temperature data for Warsaw 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 Warsaw

May marks a significant uptick in precipitation in Warsaw, Poland, delivering 82 mm (3.2 in) of rainfall over 12 days. This increase is a notable leap from the preceding months, where monthly averages hovered between 36 mm and 44 mm. The blossoming spring not only brings vibrant greenery but also a more dynamic weather pattern. The rainfall in May contributes to the lush landscapes, as the city experiences a transition from the lighter, drier days of April to the more saturated conditions that signal the approach of summer. This shift lays the groundwork for the wetter season ahead, with June and July following closely behind, both also characterized by substantial rainfall. Hence, May serves as a fulcrum of sorts in Warsaw's precipitation trends, ushering in a period of increased moisture that cultivates the city's natural beauty.

May Precipitation Trends in Warsaw

The chart displays monthly precipitation patterns in Warsaw, 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 Warsaw, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec414440368266789279713350
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Warsaw

As spring unfolds in Warsaw, May marks a notable shift in humidity levels, with a refreshing drop to 58%. This reduction continues the trend from April, where humidity was significantly higher at 76%, signaling a transition to more comfortable weather as the city blossoms. In comparison to the preceding months, May offers a reprieve from the heavier, moisture-laden air typical of winter, which lingers at 92% in January and 90% in February. The drier conditions of May pave the way for the approaching summer months, where humidity begins to stabilize around the mid to high 50s. This gradual decrease not only enhances the outdoor experience but also sets the stage for the vibrant, lively atmosphere that characterizes Warsaw during this delightful time of year.

May Average Humidity in Warsaw

This chart illustrates the average monthly humidity levels in Warsaw, 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 Warsaw is approximately {2}%, 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 Warsaw

In May, Warsaw experiences a noticeable increase in the UV Index, reaching 6 and indicating a high exposure category. With the burn time dropping to just 25 minutes, May marks a significant shift from the milder months of winter and early spring. This trend highlights the need for heightened sun protection as residents and visitors alike embrace the warmer days ahead. As the months progress, the UV Index will continue to rise, peaking in June and July, which underscores the importance of being proactive about sun safety. For more information on UV levels throughout the year, check the detailed Warsaw UV Index.

Maximum UV Index Levels in Warsaw for May

The chart shows the monthly maximum UV Index (UVI) for Warsaw 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 Warsaw typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124568875321
Data source: Warsaw 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 Warsaw

May in Warsaw, Poland, is a delightful transition into summer, boasting 393 hours of sunshine. This month marks a significant leap from the earlier months—in just five months, sunlight nearly quadruples from 102 hours in January. As spring breathes life into the city, May's shining days beckon residents and visitors alike to enjoy outdoor activities, festivals, and the blooming parks. Following the trend, June typically shines even brighter, with 430 hours of sunlight, setting the stage for a vibrant summer. The increasing daylight hours from January through May highlight Warsaw's awakening from winter's grasp, making May a particularly joyous time to revel in the warmth and beauty of the Polish capital.

Monthly Sunshine Duration in Warsaw: May Highlighted

The May sunshine duration represents the total number of hours Warsaw 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.
JanFebMarAprMayJunJulAugSepOctNovDec102h186h266h339h393h430h423h388h297h240h166h126h
Data source: Warsaw May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Warsaw During May

As spring blossoms in Warsaw, the likelihood of sunny weather significantly increases, peaking at 37% in May. This marks a notable rise from 14% in January and a steady climb through the months, showcasing the transition from the dreariness of winter to the vibrant days of spring. With each passing month leading up to May, the chance of sunshine nudges upward, indicating that residents can expect a refreshing change, though still with plenty of variability. As the city prepares for the warmth of June, the sunny days in May serve as a delightful prelude to the summer, inviting both locals and visitors to enjoy the outdoors in the heart of Poland.

Percentage of Sunny Days in May in Warsaw

The chart illustrates the percentage of sunny days in Warsaw 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 Warsaw experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%28%34%36%37%54%40%28%39%44%19%24%
Data source: Warsaw May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Warsaw in May

As spring transitions into summer, May in Warsaw showcases a remarkable increase in daylight, boasting an impressive 15 hours of sunshine. This surge continues the upward trend established throughout the preceding months, starting from just 8 hours in January. Each month’s gradual lengthening of daylight not only brightens the city but also invigorates the spirit of its residents. By April, the length already reached 13 hours, setting the stage for the vibrant activities and outdoor enjoyment that May offers. Following May, daylight peaks in June with 16 hours, making this period a time when Warsaw truly comes alive, basking in the glow of longer, sunnier days.

Average Daylight Hours in Warsaw for May

The chart illustrates the variation in daylight duration in Warsaw throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 17m9h 55m11h 54m13h 57m15h 44m16h 40m16h 10m14h 34m12h 36m10h 34m8h 45m7h 46m
Data source: Warsaw daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Warsaw

In May, Warsaw experiences a notable uptick in wind speed, averaging 3.8 m/s (8 mph), a gentle increase compared to the preceding months. This refreshing breeze signals the transition into warmer weather, as spring reaches its peak. When juxtaposed with the consistent wind speeds of the earlier months—ranging from 3.3 to 3.4 m/s—May's wind is a gentle harbinger of summer. Interestingly, the following months, June and July, show a dip in wind activity, with speeds dropping to 2.6 m/s (6 mph). This pattern suggests that while May offers a delightful breath of wind, the summer months tend to become calmer, inviting residents and visitors to enjoy the vibrant outdoor scenery without the interference of strong gusts.

Average May Wind Speed in Warsaw

The chart displays monthly wind speed patterns in Warsaw, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.33.43.43.8 m/s2.62.63.03.23.94.03.7
Data source: Warsaw May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Warsaw Compares to Other Months

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

May and January present strikingly different weather patterns. In May, temperatures range from a chilly -3°C (27°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 14°C (57°F). This month sees a moderate level of precipitation, totaling 82 mm (3.2 in) over about 12 days, with a humidity level of 58%. In contrast, January is much colder, with temperatures dropping as low as -22°C (-8°F) and averaging around 0°C (32°F) during the day. The month typically experiences 41 mm (1.6 in) of precipitation over approximately 10 days, accompanied by high humidity at 92%. For a detailed look at what to expect, check out Warsaw weather in January.

In May, temperatures experience a significant rise, ranging from a chilly minimum of -3°C (27°F) to a warm average of 14°C (57°F) and peaking at a balmy 30°C (86°F). The month sees about 82 mm (3.2 in) of precipitation over 12 days, coupled with a moderate humidity level of 58%. In contrast, February is much colder, with temperatures dipping as low as -17°C (1°F), averaging just 1°C (33°F), and reaching a maximum of 17°C (63°F). This month has lower precipitation at 44 mm (1.7 in) spread across 9 days, but the humidity is notably higher at 90%. For a detailed look at February weather patterns, check out Warsaw weather in February.

Comparing the weather in May and March reveals a significant transition from winter to spring. In March, temperatures range from a chilly minimum of -17°C (2°F) to a mild maximum of 19°C (66°F), with an average temperature of about 4°C (39°F). The month sees about 40 mm (1.6 in) of precipitation over 11 days and experiences higher humidity at 87%. In contrast, May offers a much warmer climate, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 30°C (86°F), and an average temperature of 14°C (57°F). This month records increased precipitation at 82 mm (3.2 in) over 12 days, but with a lower humidity level of 58%. For more detailed information, check Warsaw weather in March.

In comparing the weather between April and May, we can see a noticeable warming trend as spring progresses. May experiences a minimum temperature of -3°C (27°F) and averages 14°C (57°F), peaking at a maximum of 30°C (86°F). This is a stark contrast to April, which has a slightly colder minimum of -5°C (24°F) and an average temperature of 9°C (48°F), with a maximum of 28°C (82°F). Additionally, May sees increased precipitation at 82 mm (3.2 in) over 12 days, compared to April's 36 mm (1.4 in) spread over 8 days. Interestingly, while humidity in April is higher at 76%, May's relative humidity is lower at 58%. For a more detailed look at April's weather, you can visit Warsaw weather in April.

May weather in Warsaw is characterized by a broader temperature range, with minimums dropping to -3°C (27°F) and maximums reaching up to 30°C (86°F). The month sees an average temperature of about 14°C (57°F) and experiences approximately 82 mm (3.2 in) of precipitation over 12 days, alongside a humidity level of 58%. In contrast, June brings warmer conditions, with minimum temperatures rising to 6°C (43°F) and maximums soaring to 35°C (96°F). The average temperature for June is notably higher at 20°C (68°F), accompanied by reduced precipitation of 66 mm (2.6 in) across just 10 days and a slightly lower humidity of 56%. For more details, you can check Warsaw weather in June.

In May, temperatures can be quite variable, with a minimum of -3°C (27°F) and a maximum of 30°C (86°F), resulting in an average temperature of 14°C (57°F). The month typically experiences 82 mm (3.2 in) of precipitation over 12 days, along with a humidity level of 58%. In contrast, July brings warmer weather, with a minimum temperature of 8°C (47°F) and a higher maximum of 34°C (94°F), resulting in an average of 20°C (68°F). While July has slightly less precipitation at 78 mm (3.1 in) over 13 days, the humidity remains similar at 59%. For more detailed information, you can check Warsaw weather in July.

In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 30°C (86°F), averaging around 14°C (57°F). The month experiences approximately 82 mm (3.2 in) of precipitation over 12 days, creating a moderate humidity level of 58%. In contrast, August sees a more temperate climate, with minimum temperatures rising to 7°C (46°F) and maximums reaching up to 35°C (95°F), averaging around 20°C (68°F). Precipitation in August is slightly higher at 92 mm (3.6 in) over 11 days, accompanied by a slight increase in humidity to 60%. For more details on the weather during this time, you can check Warsaw weather in August.

May and September offer contrasting yet mild weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 30°C (86°F), with an average of around 14°C (57°F). The month experiences about 82 mm (3.2 in) of precipitation over 12 days, and humidity sits at 58%. In comparison, September shows slightly higher temperatures with a minimum of 2°C (35°F) and a maximum of 31°C (88°F), while the average remains close at 15°C (59°F). Precipitation is slightly less at 79 mm (3.1 in) over the same number of days, but humidity increases to 71%. For a more detailed look at September's weather in Warsaw, you can check out Warsaw weather in September.

In May, temperatures can range from a chilly -3°C (27°F) at night to a warm 30°C (86°F) during the day, with an average of around 14°C (57°F). This month also sees about 82 mm (3.2 in) of precipitation over 12 days, and humidity levels at 58%. In contrast, October features cooler temperatures with a minimum of -1°C (30°F) and a maximum of 24°C (75°F), averaging around 10°C (51°F). The precipitation slightly decreases to 71 mm (2.8 in) over the same number of rainy days, but humidity rises significantly to 86%. For more detailed information, you can check Warsaw weather in October.

May and November present distinctly different weather patterns. In May, temperatures range from a minimum of -3°C (27°F) to a warm maximum of 30°C (86°F), with an average of 14°C (57°F). The month sees around 82 mm (3.2 in) of precipitation over approximately 12 days, coupled with a moderate humidity level of 58%. In contrast, November experiences cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (66°F), averaging just 5°C (42°F). The precipitation is significantly lower at 33 mm (1.3 in) over 7 days, but humidity rises to a higher 90%. This shift highlights the transition from spring warmth in May to the cooler, wetter conditions typical of late autumn. For more detailed insights, visit Warsaw weather in November.

In May, the weather in Warsaw is characterized by a much warmer atmosphere, with temperatures ranging from a chilly -3°C (27°F) at night to a pleasant 30°C (86°F) during the day and an average of 14°C (57°F). With 82 mm (3.2 in) of precipitation spread over 12 days and a humidity level of 58%, May offers a vibrant spring transition. In contrast, December brings colder conditions, where temperatures can drop as low as -14°C (7°F), with a significantly lower average of 1°C (35°F) and a maximum of only 12°C (54°F). The month sees a decrease in precipitation to 50 mm (2.0 in) also over 12 days, but the humidity rises dramatically to 93%, giving a much more damp and chillier feel. For more detailed insights, check out Warsaw weather in December.

Compare Warsaw's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Warsaw

As spring unfolds in Warsaw, May brings a delightful transition with warmer temperatures and increased daylight compared to the cooler months preceding it. While the days can reach a maximum of 30°C, the evenings still retain a refreshing chill as temperatures can dip to around -3°C. This month sees a moderate level of precipitation over approximately half the month, contributing to the lush greenery that defines this season. With an average humidity of 58%, May offers a comfortable climate that invites outdoor exploration and appreciation of the city's blossoming beauty. For a more detailed understanding of what to expect in this vibrant month, visit Warsaw Climate.