May Weather in Bydgoszcz, Poland

Last updated: August 27, 2025

May in Bydgoszcz, Poland offers a dynamic blend of spring weather, with temperatures ranging from a refreshing 0°C (31°F) to a pleasantly warm 28°C (84°F). The average temperature hovers around 13°C (56°F), making it a delightful time for outdoor activities. However, visitors should be prepared for occasional rain, as the city experiences 76 mm (3.0 in) of precipitation across 13 days throughout the month. With humidity levels at 63%, May’s climate presents a lush and vibrant atmosphere, perfect for enjoying the blooming landscapes and diverse cultural events in this enchanting Polish city.

May Temperature in Bydgoszcz

In May, temperatures in Bydgoszcz, Poland mark a significant transition into spring, showcasing an inviting warmth as the month progresses. The month opens with a gentle minimum of 0°C (31°F), allowing the city's blooming landscapes to begin their vibrant display. As days unfold, the average temperature rises to 13°C (56°F), creating a pleasant atmosphere for outdoor activities and exploration. The heat peaks around 28°C (84°F), reflecting a striking increase from the chill of earlier months. This upward trend from the frigid winter temperatures to the day’s moderate warmth is a clear cue that summer is on the horizon, inviting both locals and visitors to soak in the longer days and outdoor festivities of this culturally rich city.

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

The chart illustrates May temperature patterns in Bydgoszcz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bydgoszcz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333439475566666659514235
Data source: Temperature data for Bydgoszcz 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 Bydgoszcz

In May, Bydgoszcz experiences a noticeable uptick in precipitation, with an average of 76 mm (3.0 in) over the month, marking a significant increase compared to the preceding months. The city endures 13 rainy days this month, contributing to the lush greenery that characterizes late spring. This spike is particularly evident when juxtaposed with April's 36 mm (1.4 in) of rain across just 9 days. Such patterns highlight May as a transitional month, where the once gentle spring showers give way to more substantial rainfall, setting the stage for the upcoming summer. As temperatures begin to rise, this wetter climate not only enhances the landscape but also fills waterways, preparing Bydgoszcz for the vibrant growth of the season ahead.

May Precipitation Trends in Bydgoszcz

The chart displays monthly precipitation patterns in Bydgoszcz, 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 Bydgoszcz, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4140413676691006364623944
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bydgoszcz

As spring transitions into summer, May in Bydgoszcz, Poland, experiences a significant drop in humidity, averaging 63%. This reduction from the previous months—where humidity levels hovered around the 79% mark in April—indicates a shift towards drier conditions. Following this trend, June continues the dip slightly further to 61%, while the summer months stabilize around the low 60s. This pattern reflects the typical climatic shift of late spring, making May a refreshing time as residents and visitors alike can enjoy more comfortable outdoor conditions before the humidity levels begin to rise once again in late summer.

May Average Humidity in Bydgoszcz

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

As spring gives way to summer, May in Bydgoszcz marks a notable shift in the UV Index, reaching a level of 6, classified as high exposure. This increase in UV intensity, with a reduced burn time of just 25 minutes, signals the importance of sun protection for outdoor activities. Following a gradual rise from 1 in January to 5 in April, May's UV levels show a clear trend of intensifying solar radiation leading into the summer months, where values soar even further. As the months progress, June and July will see very high UV Index ratings of 8, making sun safety increasingly crucial. For those planning to enjoy the sun, being informed and prepared is key—check out the detailed UV Index information for Bydgoszcz here.

Maximum UV Index Levels in Bydgoszcz for May

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

As May arrives in Bydgoszcz, the city basks in a brilliant 390 hours of sunshine, marking a delightful peak in daylight hours that outshines the preceding months. This vibrant month follows a steady upward trend from the year’s start, where the sun graced the city with only 94 hours in January, gradually building as spring unfolded. The warmth of April, with its 337 hours of sunlight, sets the stage for May's golden embrace, while the transition from brighter days continues into June with a sunny 424 hours. This upward trajectory highlights a comforting shift towards summer, bringing not just more sunlight but also the promise of longer, warmer days that are eagerly anticipated throughout the year.

Monthly Sunshine Duration in Bydgoszcz: May Highlighted

The May sunshine duration represents the total number of hours Bydgoszcz 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h184h262h337h390h424h415h381h292h244h143h113h
Data source: Bydgoszcz May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bydgoszcz During May

In Bydgoszcz, Poland, the arrival of May brings a noticeable shift in the likelihood of sunny weather, with the chance of sunshine increasing to 41%. This is a welcome improvement compared to the earlier spring months of March and April, where the probabilities hover around 38% and 37% respectively. As May transitions into the warmer months, the sunshine chances continue to climb, paving the way for the striking 56% likelihood in June. This upward trend not only heralds the beauty of blooming nature but also invites residents and visitors alike to embrace outdoor activities, making May a delightful prelude to the vibrant summer ahead.

Percentage of Sunny Days in May in Bydgoszcz

The chart illustrates the percentage of sunny days in Bydgoszcz 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 Bydgoszcz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec11%34%38%37%41%56%35%30%36%41%15%25%
Data source: Bydgoszcz May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bydgoszcz in May

As spring unfolds in Bydgoszcz, Poland, the increase in daylight duration becomes beautifully evident. Starting with just 8 hours of daylight in January, residents eagerly anticipate the gradual lengthening of their days. By May, the days extend to a delightful 15 hours, heralding the arrival of fully vibrant spring and the emergence of summer. This trend of increasing daylight peaks in June and July, when the sun graces the city with a generous 16 hours of light, creating the perfect backdrop for outdoor activities. However, as summer wanes into August, a gradual retreat back to shorter days begins, ultimately leading to the 8 hours of daylight returning by November. This cyclical dance of daylight not only marks the changing seasons but also enhances the rhythm of life in Bydgoszcz, inviting both locals and visitors to bask in the evolving beauty of each month.

Average Daylight Hours in Bydgoszcz for May

The chart illustrates the variation in daylight duration in Bydgoszcz throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 9m9h 50m11h 54m14h15h 52m16h 50m16h 19m14h 39m12h 37m10h 31m8h 38m7h 37m
Data source: Bydgoszcz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bydgoszcz

In May, Bydgoszcz experiences a subtle increase in wind activity, with an average speed of 3.7 m/s (8 mph), slightly edging up from the previous months. This gentle rise reflects a transition into warmer weather, as spring fully takes hold. The wind in May serves as a refreshing change, especially after the steadiness of 3.5 m/s in January and 3.6 m/s in both March and April. Interestingly, this upward trend continues into the summer months, but the winds take a noticeable dip in June and July, averaging just 2.8 m/s (6 mph). May, therefore, stands out as a delightful blend of mild temperatures and pleasant breezes, signaling the arrival of outdoor activities and the vibrant life that accompanies spring in this charming Polish city.

Average May Wind Speed in Bydgoszcz

The chart displays monthly wind speed patterns in Bydgoszcz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.63.63.7 m/s2.82.83.33.34.04.04.0
Data source: Bydgoszcz May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bydgoszcz Compares to Other Months

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

May and January present starkly contrasting weather conditions. In May, temperatures range from a chilly 0°C (31°F) to a pleasant maximum of 28°C (84°F), with an average of 13°C (56°F), accompanied by a moderate 76 mm (3.0 in) of rain over approximately 13 days, leading to a relatively comfortable humidity level of 63%. In contrast, January experiences much colder temperatures, with a minimum of -18°C (-1°F) and a maximum of 12°C (53°F), averaging just 1°C (33°F). This month also sees lower precipitation at 41 mm (1.6 in) over about 10 days, but the humidity is significantly higher, at 91%. For more details, check out Bydgoszcz weather in January.

May and February offer starkly contrasting weather experiences. In May, temperatures range from a cool 0°C (31°F) to a pleasant high of 28°C (84°F), with an average of 13°C (56°F). The month sees more rain, with total precipitation of 76 mm (3.0 in) spread over 13 days, accompanied by a moderate humidity of 63%. In contrast, February is much colder, with temperatures dipping as low as -17°C (2°F) and peaking at 17°C (62°F), averaging just 1°C (34°F). Precipitation is less frequent, totaling 40 mm (1.6 in) over 8 days, but the humidity is notably higher at 90%. For a detailed look at February conditions, you can visit Bydgoszcz weather in February.

In comparing the weather of March and May, a clear transition into warmer temperatures is evident. March experiences a minimum temperature of -16°C (4°F) with an average of 4°C (39°F) and a maximum of 18°C (65°F), whereas May boasts a minimum of 0°C (31°F) and averages significantly higher at 13°C (56°F), peaking at 28°C (84°F). Precipitation is also higher in May, with 76 mm (3.0 in) falling over 13 days compared to March's 41 mm (1.6 in) over 11 days. Interestingly, March showcases a much higher humidity level at 87%, compared to May's 63%. For more details on March weather, check out Bydgoszcz weather in March.

In comparison to April, May brings a notable increase in average temperatures, with a minimum of 0°C (31°F) and an average of 13°C (56°F), compared to April's minimum of -3°C (26°F) and average of 8°C (47°F). While both months experience relatively mild maximum temperatures, May peaks at 28°C (84°F) versus April's 26°C (79°F). Precipitation levels are higher in May, totaling 76 mm (3.0 in) over 13 days, compared to April's 36 mm (1.4 in) over 9 days. Interestingly, despite the warmer temperatures, humidity is slightly lower in May at 63%, down from April's 79%. For more details on April's conditions, you can check Bydgoszcz weather in April.

May and June present a notable transition in weather patterns. In May, temperatures range from a chilly 0°C (31°F) at night to a pleasant 28°C (84°F) during the day, with an average of 13°C (56°F). The month sees roughly 76 mm (3.0 in) of precipitation spread over 13 days, resulting in a humidity level of 63%. In contrast, June experiences milder nights with a minimum temperature of 5°C (41°F) and significantly warmer daytime highs reaching up to 35°C (94°F), averaging 19°C (66°F). Precipitation slightly decreases to 69 mm (2.7 in) over only 9 days, with humidity levels at 61%. For more details on June weather, you can check Bydgoszcz weather in June.

When comparing the weather in May and July, notable differences arise in temperature and precipitation. May features a wider temperature range, with minimums dropping to 0°C (31°F) and maximums reaching 28°C (84°F), averaging around 13°C (56°F). In contrast, July sees warmer conditions, with minimum temperatures starting at 8°C (46°F) and maximums soaring to 35°C (96°F), averaging a comfortable 19°C (67°F). While May experiences 76 mm (3.0 in) of rain over 13 days, July is slightly wetter with 100 mm (3.9 in) over 12 days, both months maintaining humidity levels around 63%. For more information about July's weather specifics, you can check Bydgoszcz weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of 0°C (31°F) to a warm maximum of 28°C (84°F), with an average of 13°C (56°F). The month experiences about 76 mm (3.0 in) of precipitation over 13 days, alongside a humidity level of 63%. In comparison, August is warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 33°C (91°F), and an average of 19°C (67°F). The precipitation decreases to 63 mm (2.5 in) over 10 days, while humidity rises slightly to 65%. This shift highlights a transition from the cooler, more unpredictable May weather to the warmer and drier conditions typical of late summer. For more details, check out Bydgoszcz weather in August.

May and September showcase a transition in weather patterns, with each month offering a unique experience. In May, temperatures range from a chilly 0°C (31°F) at night to a pleasant 28°C (84°F) during the day, while September sees slightly warmer lows of 2°C (36°F) and a maximum of 33°C (92°F). Precipitation levels are relatively close, with May receiving 76 mm (3.0 in) over 13 days compared to September's 64 mm (2.5 in) across 10 days. The humidity also rises in September, reaching 75%, up from May’s 63%. For more details on September weather, check Bydgoszcz weather in September.

May and October present distinctly different weather patterns. In May, temperatures range from a minimum of 0°C (31°F) to a maximum of 28°C (84°F), with an average of 13°C (56°F). This month sees about 76 mm (3.0 in) of precipitation over 13 days, with humidity levels around 63%. In contrast, October experiences cooler conditions, with temperatures fluctuating between -2°C (29°F) and 23°C (73°F), and an average of 10°C (51°F). It brings slightly less rainfall at 62 mm (2.5 in) over 11 days, but the humidity increases to a notable 85%. For a more detailed look at October weather, visit Bydgoszcz weather in October.

May and November exhibit distinctly different weather patterns. In May, temperatures range from a low of 0°C (31°F) to a high of 28°C (84°F), with an average temperature of 13°C (56°F). The month experiences relatively more precipitation, totaling 76 mm (3.0 in) over 13 days, and humidity levels sit at a comfortable 63%. In contrast, November sees cooler temperatures, with minimums dropping to -5°C (24°F) and maximums reaching only 18°C (64°F), resulting in an average temperature of 6°C (43°F). Precipitation during this month is lower at 39 mm (1.5 in) over just 8 days, but the humidity is significantly higher at 90%. For more detailed insights into November weather, you can refer to Bydgoszcz weather in November.

May and December present striking contrasts in weather. In May, temperatures range from a minimum of 0°C (31°F) to a pleasant average of 13°C (56°F), peaking at a warm 28°C (84°F). The month sees around 76 mm (3.0 in) of precipitation over 13 days, with humidity at a moderate 63%. In contrast, December experiences much colder conditions, with temperatures dipping to a minimum of -18°C (0°F) and averaging just 2°C (35°F), reaching a maximum of 12°C (55°F). Precipitation decreases to 44 mm (1.7 in) across 11 days, but humidity rises significantly to 93%. For more details on the December weather in Bydgoszcz, visit Bydgoszcz weather in December.

Compare Bydgoszcz's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Bydgoszcz

As spring unfolds in Bydgoszcz, May offers a delightful transition from the chill of winter, with temperatures soaring to pleasant highs compared to earlier months. The average temperature is notably warmer, making outdoor activities more inviting, despite experiencing a few rainy days. With approximately 76 mm of rain spread across 13 days, May's humidity level at 63% often brings a refreshing ambiance, contrasting with the dryness of the preceding months. The increase in warmth and rainfall hints at the vibrant summer ahead, making it the perfect time to explore the city's blossoming nature and cultural events. For more insights, check out Bydgoszcz Climate.