May Weather in Kazanlak, Bulgaria

Last updated: August 21, 2025

May in Kazanlak, Bulgaria presents a delightful transition into warmer weather, characterized by a maximum temperature reaching 31°C (88°F) and an average of 16°C (62°F). While the days can be pleasantly warm, temperatures can dip to a brisk 4°C (40°F) during the night. The month experiences moderate precipitation, amounting to 77 mm (3.0 in) over 12 days, contributing to a humidity level of 72% that adds a touch of freshness to the air. This blend of warm days and cool nights, accompanied by refreshing rainfall, makes May an enchanting time in Kazanlak, perfect for outdoor explorations and enjoying the lush spring landscapes.

May Temperature in Kazanlak

In May, Kazanlak, Bulgaria, welcomes warmer temperatures that signal the arrival of spring in full bloom. The minimum temperature hovers around 4°C (40°F), providing a gentle lift from the chill of winter. Average temperatures rise to a comfortable 16°C (62°F), making it an ideal time to explore the lush landscapes and vibrant flowers that are characteristic of this season. On particularly warm days, temperatures can soar to a maximum of 31°C (88°F), creating the perfect backdrop for outdoor activities and gatherings. As May unfolds, the gradual increase in warmth marks a transition from the cooler months, setting a delightful tone for the summer ahead.

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

The chart illustrates May temperature patterns in Kazanlak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kazanlak, 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).
JanFebMarAprMayJunJulAugSepOctNovDec343943526268737467564638
Data source: Temperature data for Kazanlak 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 Kazanlak

May in Kazanlak, Bulgaria, marks a significant increase in precipitation, receiving 77 mm (3.0 in) over 12 rainy days. This uptick follows a relatively dry April and aligns with the trend of escalating rainfall as the region transitions into summer. Notably, May's totals indicate a distinct shift, as precipitation starts to peak, foreshadowing the 128 mm (5.0 in) expected in June. The freshness brought by May's rains supports lush greenery and vibrant blooms, setting a picturesque backdrop for the onset of warmer months. As the days grow longer and rain becomes more frequent, Kazanlak prepares for its vibrant summer landscape.

May Precipitation Trends in Kazanlak

The chart displays monthly precipitation patterns in Kazanlak, 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 Kazanlak, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5049745177128813121676287
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kazanlak

In Kazanlak, Bulgaria, the month of May experiences a notable shift in humidity, settling at 72%. This is a slight increase from the 70% recorded in April, indicating a gradual transition into the warmer months. The overall trend shows a steady decline in humidity from the cold, damp winter months—where humidity peaks at 88% in January—down to a comfortable 66% by June. As spring unfolds, May serves as a bridge between the lush humidity of early spring and the drier conditions that arrive in summer, making it an ideal time to enjoy the blooming landscapes of Kazanlak.

May Average Humidity in Kazanlak

This chart illustrates the average monthly humidity levels in Kazanlak, 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 Kazanlak is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%84%81%70%72%66%62%48%58%78%85%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kazanlak

As the spring sun reaches its peak, May unveils a significantly high UV Index of 9 in Kazanlak, Bulgaria, marking it as a month where sun safety becomes paramount. With an exposure category classified as very high, residents and visitors alike should be cautious, as the burn time shortens to just 15 minutes. This trend of increasing UV intensity clearly continues from April's Index of 8, illustrating the gradual intensification of sun exposure as summer approaches. Following May, the UV Index will further rise to an impressive 10 in June, emphasizing the need for effective sun protection strategies. For detailed information and daily updates, check out the Kazanlak UV Index.

Maximum UV Index Levels in Kazanlak for May

The chart shows the monthly maximum UV Index (UVI) for Kazanlak 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 Kazanlak typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997632
Data source: Kazanlak 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 Kazanlak

In Kazanlak, Bulgaria, the month of May shines as a pinnacle of sunlit days, boasting an impressive 393 hours of sunshine. As spring blooms, the increasing daylight sets the stage for a vibrant outdoor experience, following a steady rise from 286 hours in March and 345 hours in April. The sunny trend continues into June, peaking at 401 hours, making this region a delightful destination for sun-seekers. With the hours of sunshine significantly outpacing the darker winter months like January and November, May truly encapsulates the essence of warmth and vitality, inviting everyone to bask in the beauty of nature.

Monthly Sunshine Duration in Kazanlak: May Highlighted

The May sunshine duration represents the total number of hours Kazanlak 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h231h286h345h393h401h426h404h342h289h231h216h
Data source: Kazanlak May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kazanlak During May

In Kazanlak, Bulgaria, the likelihood of sunny weather sees a gradual upward trend as spring transforms into summer. With a 45% chance of sunshine in May, residents and visitors can expect relatively pleasant days, although not yet as bright as the peak summer months of July and August, which boast striking probabilities of 78% and 74% respectively. Interestingly, May’s sunshine chance is on par with the preceding months, April and March, both at 44%. This trend suggests that while May marks a transition into warmer days, it remains somewhat unpredictable, offering a refreshing blend of sunshine and spring's lingering conditions.

Percentage of Sunny Days in May in Kazanlak

The chart illustrates the percentage of sunny days in Kazanlak 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 Kazanlak experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%48%44%44%45%47%78%74%53%39%34%31%
Data source: Kazanlak May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kazanlak in May

In Kazanlak, Bulgaria, the daylight duration unfolds a captivating narrative throughout the year. Starting with January at just 9 hours, the days gradually lengthen as spring approaches, peaking at 14 hours in May. This transition highlights the vibrant awakening of nature, with March and April seeing noticeable increases in daylight, showcasing the joyful onset of warmer weather. As summer arrives, June boasts the longest days at 15 hours, allowing for delightful evenings under the sun. The daylight then gently recedes, descending to 13 hours in August and tapering off to 9 hours by November and December, closing the cycle. Overall, the trend reflects a rhythmic dance of light—a reminder of nature’s beautiful cycles.

Average Daylight Hours in Kazanlak for May

The chart illustrates the variation in daylight duration in Kazanlak throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 26m10h 32m11h 57m13h 23m14h 37m15h 14m14h 55m13h 49m12h 26m11h9h 44m9h 5m
Data source: Kazanlak daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kazanlak

In Kazanlak, Bulgaria, May ushers in a refreshing shift in the winds, with an average speed of 2.2 m/s (5 mph). This slight uptick mirrors the conditions seen in both March and July, suggesting a consistent breeziness during the late spring and summer months. Interestingly, April dips to its lowest, at 1.9 m/s (4 mph), before the winds regain their gentle strength in May. Overall, while the average wind speed tends to oscillate throughout the year, May stands out as a period where nature's breath seems to invite both outdoor adventures and tranquil moments in this picturesque valley. The calming yet invigorating winds of May add to Kazanlak’s charm, marking a delightful transition into the warmer months ahead.

Average May Wind Speed in Kazanlak

The chart displays monthly wind speed patterns in Kazanlak, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.21.92.2 m/s1.82.21.92.01.91.62.2
Data source: Kazanlak May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kazanlak Compares to Other Months

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

May and January present contrasting climates that highlight the shift from winter to spring. In May, temperatures range significantly from a chilly 4°C (40°F) at night to a warm 31°C (88°F) during the day, averaging around 16°C (62°F). The month sees about 77 mm (3.0 in) of rainfall over 12 days, accompanied by a moderate humidity of 72%. In stark contrast, January is characterized by much colder conditions, with temperatures plummeting to a minimum of -15°C (5°F) and averaging just 1°C (34°F), peaking at 15°C (59°F). Although it receives less precipitation, around 49 mm (1.9 in) over 8 days, the month has a higher humidity level of 88%. For more details on January weather in Kazanlak, visit Kazanlak weather in January.

When comparing the weather in May and February, notable differences emerge. May typically enjoys milder temperatures, with a minimum of 4°C (40°F) and averages around 16°C (62°F), peaking at 31°C (88°F). It is a relatively wetter month with 77 mm (3.0 in) of precipitation over 12 days and a humidity level of 72%. In contrast, February presents a much colder climate, with temperatures dropping to a minimum of -12°C (10°F) and averaging just 4°C (39°F), reaching a maximum of 18°C (65°F). The month sees less precipitation, totaling 49 mm (1.9 in) across 8 days, but experiences a higher humidity level of 84%. For a detailed look at February weather in Kazanlak, you can visit Kazanlak weather in February.

The weather in May exhibits a significant warming trend compared to March, with average temperatures rising from 6°C (44°F) in March to 16°C (62°F) in May. While March features a chillier minimum temperature of -19°C (-1°F), May’s minimum is much milder at 4°C (40°F). Additionally, May experiences maximum temperatures reaching up to 31°C (88°F), far surpassing March's max of 22°C (71°F). Precipitation levels remain relatively similar, with May receiving 77 mm (3.0 in) over 12 days compared to March's 74 mm (2.9 in) over 11 days. Interestingly, humidity is slightly lower in May at 72%, while March records a higher humidity of 81%. For more detailed insights, you can check Kazanlak weather in March.

In comparing the weather between April and May, we can observe a clear warming trend as spring progresses. May boasts a minimum temperature of 4°C (40°F) and averages a comfortable 16°C (62°F), with a maximum reaching up to 31°C (88°F). In contrast, April sees colder conditions, with minimum temperatures dipping to -2°C (29°F) and an average of only 11°C (52°F).

Precipitation is slightly higher in May, totaling 77 mm (3.0 in) over 12 days, compared to April’s 51 mm (2.0 in) across 9 days. Despite the increased rainfall in May, the humidity remains similar, at around 72% for May and 70% for April. Overall, May offers warmer temperatures and more precipitation, signaling a shift towards typical early summer weather. For more detailed information, you can check out Kazanlak weather in April.

In comparison to May, June typically experiences warmer temperatures, with minimums rising from 4°C (40°F) in May to 7°C (45°F) in June, and average highs increasing from 31°C (88°F) in May to 34°C (94°F) in June. Despite the warmth, June also sees a significant boost in precipitation, with an average of 128 mm (5.0 in) over 17 days, up from May's 77 mm (3.0 in) over 12 days. Additionally, June’s humidity is slightly lower at 66%, compared to May’s 72%, creating a more comfortable feel despite the increased rainfall. For more detailed information, check out Kazanlak weather in June.

May and July present quite contrasting weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), averaging around 16°C (62°F). The month experiences about 77 mm (3.0 in) of precipitation over 12 days, with a relatively high humidity of 72%. In contrast, July sees considerably warmer temperatures, with a minimum of 11°C (53°F) and a maximum soaring to 37°C (99°F), averaging at 23°C (73°F). Although July has slightly more precipitation at 81 mm (3.2 in) over 11 days, it boasts lower humidity at 62%. For more specific details on July weather, you can check out Kazanlak weather in July.

May and August present quite contrasting weather patterns. In May, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 31°C (88°F), with an average temperature of 16°C (62°F). The month experiences considerable rainfall, totaling 77 mm (3.0 in) over approximately 12 days, accompanied by a high humidity level of 72%.

In contrast, August enjoys warmer temperatures, with a minimum of 11°C (52°F), an average of 23°C (74°F), and a peak of 38°C (101°F). This month sees significantly less precipitation, totaling only 31 mm (1.2 in) over about 6 days, and lower humidity at 48%. Overall, August offers a drier and hotter climate compared to the cooler and wetter conditions of May. For more details, check out Kazanlak weather in August.

May and September present distinct weather patterns. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), with an average temperature of 16°C (62°F). This month experiences a higher level of precipitation at 77 mm (3.0 in) over 12 days, contributing to a humidity level of 72%. In contrast, September features a slightly cooler range, with minimum temperatures of 2°C (36°F) and maximum readings reaching 34°C (94°F), resulting in an average of 19°C (67°F). Notably, September is much drier, with only 21 mm (0.8 in) of precipitation over 4 days and lower humidity at 58%. For more detailed information about the weather in September, you can visit Kazanlak weather in September.

May and October showcase distinct weather patterns, marking the transition from spring to autumn. In May, temperatures range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), with an average of 16°C (62°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 12 days, accompanied by a humidity level of 72%.

In contrast, October offers cooler temperatures with a minimum of 1°C (34°F) and an average of 13°C (56°F), while still reaching highs of 31°C (89°F). Precipitation in October is slightly lower at 67 mm (2.6 in) but occurs over just 6 days, indicating a drier month overall. The humidity increases to 78%, resulting in a crisp yet moist atmosphere. For more details on October’s climate, you can visit Kazanlak weather in October.

May and November present a striking contrast in weather conditions. In May, temperatures range from a pleasant 4°C (40°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (62°F). This month typically experiences about 77 mm (3.0 in) of precipitation over 12 days, with a humidity level of 72%. In comparison, November brings colder temperatures, with nightly lows dipping to -4°C (26°F) and daytime highs peaking at 25°C (77°F), averaging 8°C (46°F). Although it receives less precipitation at 62 mm (2.4 in) over 8 days, the humidity rises to 85%, making the air feel more damp. For more specifics on November weather, check out Kazanlak weather in November.

May and December showcase contrasting weather patterns. In May, temperatures range from a pleasant 4°C (40°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (62°F) and a humidity level of 72%. The month experiences some precipitation, totaling 77 mm (3.0 in) over about 12 days. In stark contrast, December brings much colder conditions, with temperatures dipping to a minimum of -9°C (15°F) and averaging just 4°C (39°F), while the daytime max reaches 17°C (62°F). Despite having slightly more precipitation at 87 mm (3.4 in) over 11 days, December's humidity soars to 87%, making it feel even chillier. For more specific details, you can check Kazanlak weather in December.

Compare Kazanlak's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kazanlak

As spring transitions to summer, May in Kazanlak offers a delightful mix of warm temperatures and blooming landscapes. With an average temperature that leans pleasantly higher than the earlier months, this time of year invites residents and visitors to embrace the outdoors. While rain may grace the city on about half the days of the month, the overall humidity remains moderate, contributing to the lush greenery that characterizes Kazanlak’s charming scenery. This vibrant blend of warmth and showers makes May a picturesque time to explore everything the region has to offer. For more detailed weather insights, visit Kazanlak Climate.