May Weather in Kielce, Poland

Last updated: August 27, 2025

In Kielce, Poland, May presents a delightful array of weather conditions, where temperatures can soar to a maximum of 30°C (85°F), but the average hovers at a mild 13°C (56°F). The month experiences a notable chill, with minimum temperatures occasionally dropping to -3°C (27°F). Rain is a frequent visitor, bringing approximately 90 mm (3.6 in) of precipitation over about 14 days, contributing to the lush beauty of the landscape. The humidity level remains moderate at 58%, adding a refreshing touch to the spring atmosphere. Overall, May in Kielce offers a vibrant mix of warmth and rain that exemplifies the transition from spring to summer.

May Temperature in Kielce

In Kielce, Poland, May ushers in a delightful transition from the cold grip of winter to the warmth of summer. With temperatures starting to rise, the month typically sees lows around -3°C (27°F), while averages climb to a comfortable 13°C (56°F). The peak days can be surprisingly warm, reaching up to 30°C (85°F), inviting outdoor activities and celebrations of spring. This steady upward trend in temperature from the chill of early months indicates a clear shift towards a more vibrant season, making May an ideal time to explore the blossoming landscapes of Kielce. As the city sheds its winter coat, it eagerly welcomes the sun and longer days, promising a refreshing experience for residents and visitors alike.

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

The chart illustrates May temperature patterns in Kielce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kielce, 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).
JanFebMarAprMayJunJulAugSepOctNovDec303339485666676858504134
Data source: Temperature data for Kielce 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 Kielce

In May, Kielce experiences a notable increase in precipitation, with an average of 90 mm (3.6 in), making it one of the wettest months of the year. This surge in rainfall is reflected in the number of precipitation days, which rises to 14, marking the transition into a wetter season as spring gives way to summer. Compared to the preceding months, May stands out with its abundant moisture, significantly surpassing April's 58 mm (2.3 in). This trend not only underscores the month’s pivotal role in replenishing local ecosystems but also sets the stage for the lush greenery that follows in the summer months.

May Precipitation Trends in Kielce

The chart displays monthly precipitation patterns in Kielce, 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 Kielce, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3746405890729310184713950
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kielce

In May, Kielce, Poland experiences a notable transition in humidity, with levels dropping to 58%. This decrease from the preceding months reflects the arrival of warmer weather, as April's humidity stands at a higher 76%. As spring unfolds, the pleasant decline enables residents to enjoy a more comfortable atmosphere, a stark contrast to the high humidity of the winter months, which consistently hovers around 89-91%. Following May, humidity levels continue to stabilize in June and July, registering an even lower 56%, maintaining a delightful balance that marks the start of summer. The trend highlights how Kielce's climate shifts dramatically from the dampness of winter to the refreshing conditions of late spring and early summer.

May Average Humidity in Kielce

This chart illustrates the average monthly humidity levels in Kielce, 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 Kielce is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%76%58%56%56%55%68%84%89%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kielce

As May arrives in Kielce, Poland, the UV Index ramps up to 7, signaling a transition to high levels of sun exposure and a recommended burn time of just 25 minutes. This increase from April’s Index of 6 indicates a clear trend toward more intense sunlight as spring fully unfolds. Notably, while January and February showed a consistent low exposure, the sun’s strength rises sharply by March, introducing a moderate Index of 4. As summer approaches, the sun continues to assert its presence, with June and July set to reach very high levels. As you enjoy the warmer days, be mindful of the sun's intensity and take necessary precautions. For more details about the UV Index throughout the year, visit Kielce UV Index.

Maximum UV Index Levels in Kielce for May

The chart shows the monthly maximum UV Index (UVI) for Kielce 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 Kielce typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678876321
Data source: Kielce 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 Kielce

In Kielce, Poland, the arrival of May marks a delightful peak in sunshine hours, with an impressive 363 hours that bring warmth and vibrancy to the city. This month stands out as a significant transition from the gradually increasing daylight of early spring—evident in January's modest 123 hours—to the long, bright summer days that follow. As the region basks in nearly 40 more hours of sunshine compared to April, it's clear that May not only heralds the bloom of flowers but also invites residents and visitors alike to relish outdoor activities. This upward trend in sunshine continues into June and July, further enhancing Kielce's appeal as a sunny getaway. With the fading sunlight in the subsequent months, May becomes a cherished highlight in the annual cycle, showcasing the city's enchanting embrace of spring's golden rays.

Monthly Sunshine Duration in Kielce: May Highlighted

The May sunshine duration represents the total number of hours Kielce 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.
JanFebMarAprMayJunJulAugSepOctNovDec123h186h269h324h363h400h412h384h295h249h191h128h
Data source: Kielce May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kielce During May

In Kielce, Poland, the likelihood of sunny weather in May stands at 36%, marking a slight decline from April's optimistic 37%. As spring progresses, May offers a transitional feel, where the sun begins to battle against emerging clouds, hinting at the vibrant summer ahead. This percentage suggests that while sunny days are certainly possible, they are joined by a mix of overcast conditions. Interestingly, this month acts as a precursor to the sunnier June, which enjoys a notable 52% chance of clear skies. Thus, while May may not be the sunniest month of the season, it invites a pleasant and refreshing backdrop for outdoor activities, heralding the warmer months to come.

Percentage of Sunny Days in May in Kielce

The chart illustrates the percentage of sunny days in Kielce 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 Kielce experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%27%32%37%36%52%35%28%37%47%25%16%
Data source: Kielce May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kielce in May

As spring gently unfolds into summer, Kielce, Poland experiences a remarkable transformation in daylight duration. In May, the city basks in approximately 15 hours of sunlight—a significant increase from just 13 hours in April, marking the peak of invigorating springtime. This upward trend continues into June, where daylight reaches its zenith with 16 hours. However, as the seasons shift toward autumn, the daylight gradually recedes, starting with 15 hours in July and tapering down to 14 hours in August. By the time October arrives, Kielce faces a steeper decline, returning to 10 hours by the end of fall, ultimately descending to the winter months where daylight shrinks back to just 8 hours in both November and December. This cyclical rhythm of light and dark highlights the vibrant seasonal contrasts that define the region.

Average Daylight Hours in Kielce for May

The chart illustrates the variation in daylight duration in Kielce throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 54m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 39m8h 55m8h
Data source: Kielce daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kielce

In May, Kielce experiences a refreshing uptick in average wind speed, reaching 4.1 m/s (9 mph), making it one of the breezier months of the year. This increase follows a steady pattern from the relatively calmer early months—January through April, where winds hover around 3.5 to 3.9 m/s. The anticipation of warmer weather seems to usher in this gentle breeze, invigorating the atmosphere as spring unfolds. As the year progresses, however, the winds begin to taper off, particularly in June, dropping to 2.9 m/s (6 mph). This seasonal trend indicates a gradual shift towards calmer months, with periodic gusts returning in late autumn and early winter, maintaining an average around 4.0 m/s. Overall, May stands out as a vibrant transitional period where nature's breath invigorates the landscape, promising the warmth and vitality of impending summer.

Average May Wind Speed in Kielce

The chart displays monthly wind speed patterns in Kielce, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.93.63.84.1 m/s2.93.03.13.53.84.04.0
Data source: Kielce May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kielce Compares to Other Months

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

May and January present contrasting weather conditions in Kielce. In May, temperatures range from a chilly -3°C (27°F) at night to a warm 30°C (85°F) during the day, averaging around 13°C (56°F). The month sees about 90 mm (3.6 in) of precipitation over approximately 14 days, with a relative humidity of 58%. In stark contrast, January experiences much colder temperatures, with lows dropping to -24°C (-10°F) and an average of -1°C (30°F), peaking at just 10°C (51°F). Precipitation is lower at 37 mm (1.5 in) across 10 days, but humidity remains high at 91%. For more detailed information, you can check Kielce weather in January.

May and February exhibit striking contrasts in weather conditions. In May, temperatures can range from a chilly -3°C (27°F) at their lowest to a warm 30°C (85°F) at their peak, averaging around 13°C (56°F). This month also sees higher precipitation, with about 90 mm (3.6 in) over 14 days and a moderate humidity of 58%. In stark contrast, February brings colder temperatures, with a minimum of -16°C (4°F) and a maximum of 18°C (64°F), averaging just 0°C (33°F). February also experiences less rainfall, with 46 mm (1.8 in) across 10 days, but a notable humidity level of 89%. For more details on February weather, you can visit Kielce weather in February.

In comparing the weather between March and May, we observe a significant shift in temperature and humidity. March features a colder climate with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 20°C (69°F), accompanied by higher humidity at 86%. Conversely, May enjoys a more temperate atmosphere, with minimum temperatures of -3°C (27°F) and a warm average of 13°C (56°F) that can reach highs of 30°C (85°F). Additionally, May receives more precipitation, with about 90 mm (3.6 in) across 14 days, compared to March's 40 mm (1.6 in) over 10 days. For detailed insights about March weather, you can visit Kielce weather in March.

In comparing the weather of May and April, we see a noticeable increase in temperatures. May experiences a wider temperature range, with a minimum of -3°C (27°F), an average of 13°C (56°F), and a maximum of 30°C (85°F), while April has cooler temperatures, ranging from a minimum of -6°C (21°F) to a maximum of 27°C (81°F), with an average of 9°C (48°F). Additionally, May receives more precipitation, totaling 90 mm (3.6 in) over 14 days, compared to April's 58 mm (2.3 in) over 11 days. However, April's humidity is higher at 76%, compared to May's 58%, indicating that while May is warmer, it is also relatively drier. For more detailed information on April's weather, you can visit Kielce weather in April.

May and June present distinct differences in weather patterns. In May, temperatures can range from a chilly minimum of -3°C (27°F) to a warm maximum of 30°C (85°F), with an average temperature of 13°C (56°F). The month is characterized by higher precipitation, totaling 90 mm (3.6 in) over 14 days, alongside a humidity level of 58%. In contrast, June sees a more consistent warming trend, with minimum temperatures starting at 5°C (42°F) and reaching a maximum of 34°C (93°F). The average temperature rises to 19°C (67°F), and precipitation decreases to 72 mm (2.8 in) over 13 days, while humidity slightly lowers to 56%.

For more specifics about the weather during this month, you can check this link: Kielce weather in June.

May and July exhibit significant differences in weather, with May experiencing cooler temperatures and greater variability. In May, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 13°C (56°F) and can peak at 30°C (85°F). This month also sees about 90 mm (3.6 in) of precipitation over 14 days, along with a humidity level of 58%. In contrast, July enjoys milder temperatures with a minimum of 8°C (47°F), an average of 20°C (68°F), and a maximum reaching up to 36°C (97°F). Precipitation remains relatively similar at 93 mm (3.7 in) over the same number of days, with a slightly lower humidity of 56%. For more detailed information, you can check out Kielce weather in July.

May and August weather in Kielce offer distinct experiences, as the transition from spring to summer brings notable changes. In May, temperatures range from a chilly -3°C (27°F) at night to a pleasant average of 13°C (56°F), occasionally peaking at 30°C (85°F). The month sees around 90 mm (3.6 in) of precipitation spread over 14 days, coupled with a humidity level of 58%. In contrast, August presents a warmer climate, with nighttime lows starting at 7°C (45°F) and daytime averages reaching 20°C (68°F), peaking at a hot 36°C (97°F). Although August has slightly higher precipitation at 101 mm (4.0 in) over 12 days, humidity drops to 55%, making for a more comfortable feel. For more specific details on August weather, you can refer to the following link: Kielce weather in August.

May and September in Kielce exhibit distinct weather patterns, with May showcasing a greater temperature range, where minima can drop to -3°C and maxima reach 30°C. It tends to have an average temperature of 13°C, alongside a precipitation level of 90 mm over 14 days. In contrast, September typically features slightly warmer conditions, with average temperatures around 15°C, minima of 0°C, and maxima peaking at 31°C. Precipitation in September is slightly lower at 84 mm over 12 days, and the humidity is higher at 68%. For those interested in more details about September's climate, check out Kielce weather in September.

In May, the weather typically showcases a wide range of temperatures, with daily highs reaching up to 30°C (85°F) and lows dipping to -3°C (27°F). The average temperature hovers around a pleasant 13°C (56°F), and the month experiences significant rainfall, totaling 90 mm (3.6 in) over approximately 14 days, with a moderate humidity level of 58%. In contrast, October offers cooler temperatures, where the maximum average is lower at 24°C (75°F) and the overall average is around 10°C (50°F). Precipitation decreases to 71 mm (2.8 in) across about 10 days, but the humidity rises significantly to 84%. For more specific insights on October weather, you can visit Kielce weather in October.

May and November present contrasting weather characteristics, reflecting the transition from spring to late autumn. In May, temperatures range significantly, with a minimum of -3°C (27°F), an average of 13°C (56°F), and a maximum reaching up to 30°C (85°F). The month is also marked by relatively high precipitation at 90 mm (3.6 in) over 14 days, with humidity around 58%. In contrast, November experiences cooler temperatures, with a minimum of -7°C (19°F) and an average of 5°C (41°F), peaking at 20°C (68°F). Precipitation decreases to 39 mm (1.5 in) spread across 10 days, while humidity rises significantly to 89%. For more details on November weather, you can visit Kielce weather in November.

When comparing the weather in May and December, one can see striking contrasts in temperature and humidity. May typically enjoys a mild average temperature of 13°C (56°F), with maximums reaching up to 30°C (85°F), making it a much warmer month overall. In contrast, December brings a colder climate, with average temperatures hovering around just 1°C (34°F) and maximums capping at 14°C (58°F). Additionally, December exhibits higher humidity levels at 91%, compared to May’s 58%, creating a more oppressive feel despite the cooler temperatures. Precipitation is slightly lower in December at 50 mm (2.0 in) over 12 days, as opposed to May's 90 mm (3.6 in) over 14 days. For those interested in the specifics of December weather in Kielce, you can find more information here: Kielce weather in December.

Compare Kielce's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kielce

As May unfolds in Kielce, it brings a delightful shift from the chill of winter, ushering in warmer days with temperatures reaching up to 30°C (85°F). This month stands out with a pleasant average temperature, fostering a vibrant atmosphere as nature bursts into life. While it experiences a notable 90 mm of precipitation over about 14 days, the humidity remains moderate, hovering around 58%. Compared to the colder months, May offers a refreshing balance of warmth and moisture, making it an ideal time for outdoor activities and exploration. For a deeper understanding of the weather patterns, be sure to check out Kielce Climate.