May Weather in Kyustendil, Bulgaria

Last updated: August 21, 2025

In May, Kyustendil, Bulgaria, experiences a delightful shift in weather, with maximum temperatures reaching 29°C (85°F) that invite outdoor activities. The average temperature sits comfortably at 15°C (59°F), while nighttime lows can dip to a chilly 0°C (32°F). This month also sees precipitation totaling 68 mm (2.7 in) spread across 14 days, contributing to a lush landscape. Coupled with a humidity level of 73%, May in Kyustendil offers a refreshing, vibrant climate that enhances the beauty of the region. Whether you're exploring nature or enjoying local culture, the pleasant weather sets the perfect scene.

May Temperature in Kyustendil

In May, Kyustendil, Bulgaria, ushers in a refreshing transition from the chill of spring to the warmth of early summer. The temperatures reveal a delightful range, starting from a cool minimum of 0°C (32°F) and peaking at a warm maximum of 29°C (85°F), with a pleasant average of 15°C (59°F). This month marks a significant departure from the frosty depths of winter, as the rising temperatures encourage blooming landscapes and outdoor activities. As the days grow longer and sunnier, residents and visitors alike can bask in the comfortable warmth, making May a truly vibrant time in Kyustendil.

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

The chart illustrates May temperature patterns in Kyustendil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kyustendil, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323842505865707163524436
Data source: Temperature data for Kyustendil 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 Kyustendil

In May, Kyustendil experiences a noticeable uptick in precipitation, with 68 mm (2.7 in) of rain falling over 14 days. This marks a slight increase from April's rainfall, indicating the transition into the wetter summer months. As nature awakens, May's showers contribute to vibrant landscapes and lush greenery, setting the stage for June’s peak precipitation of 97 mm (3.8 in). This trend underscores a pattern where spring leads into a more abundant and damp climate, paving the way for a rich, flourishing environment as the summer approaches.

May Precipitation Trends in Kyustendil

The chart displays monthly precipitation patterns in Kyustendil, 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 Kyustendil, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec635183666898733536534792
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kyustendil

In Kyustendil, Bulgaria, May ushers in a subtle shift in humidity levels, with an average of 73%. This marks a slight increase from the drier conditions in April, where humidity drops to 71%, but remains well below the winter months that reach peaks of 89% in January and December. As spring progresses into summer, the trend reveals a gradual decline in humidity, with June recording 67% and July at 68%. The month of May serves as a transitional phase, hinting at the warm and more comfortable summer ahead, while still holding onto a touch of the moisture from the fading spring.

May Average Humidity in Kyustendil

This chart illustrates the average monthly humidity levels in Kyustendil, 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 Kyustendil is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%85%83%71%73%67%68%50%59%79%87%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kyustendil

As May arrives in Kyustendil, Bulgaria, the UV Index climbs significantly to 9, placing it firmly in the very high category and reducing the effective burn time to just 15 minutes. This upward trend from the previous months—where January started at a low index of 2—highlights the increasing intensity of sun exposure as summer approaches. Following April's already high UV Index of 8, May signals a critical point for sun safety, emphasizing the importance of protective measures during outdoor activities. With the subsequent months likely to maintain this high UV Index, it's essential for residents and visitors alike to stay vigilant and informed. For more detailed insights, check out the Kyustendil UV Index.

Maximum UV Index Levels in Kyustendil for May

The chart shows the monthly maximum UV Index (UVI) for Kyustendil 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 Kyustendil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097632
Data source: Kyustendil 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 Kyustendil

As May unfolds in Kyustendil, Bulgaria, the city basks in a delightful 395 hours of sunshine, marking a peak in the spring season and hinting at the vibrant summer ahead. This illuminating month continues the upward trend initiated in earlier spring, with sunshine hours increasing steadily from 174 in January to 337 in April. The consistent ascent underscores Kyustendil’s transition from the chilly winter months to the warmth of summer. Notably, May surpasses its predecessors, laying the groundwork for even brighter June and July, which boast the highest sunshine hours of the year. This shining vitality creates a perfect backdrop for outdoor exploration and blooming landscapes, making May a truly enchanting time in this picturesque Bulgarian town.

Monthly Sunshine Duration in Kyustendil: May Highlighted

The May sunshine duration represents the total number of hours Kyustendil 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.
JanFebMarAprMayJunJulAugSepOctNovDec174h238h288h337h395h392h422h399h342h290h236h205h
Data source: Kyustendil May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kyustendil During May

In May, Kyustendil experiences a 47% chance of sunny weather, indicating a pleasant transition into late spring. This figure is slightly above the levels seen in April and March but still lags behind the sun-drenched heights of summer months like July and August, which boast chances of 73% and 77% respectively. Overall, May offers a refreshing balance as the region prepares for sunnier days ahead, making it an appealing time for outdoor activities before the heat of summer settles in.

Percentage of Sunny Days in May in Kyustendil

The chart illustrates the percentage of sunny days in Kyustendil 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 Kyustendil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%53%50%45%47%51%73%77%54%49%33%35%
Data source: Kyustendil May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kyustendil in May

As spring gracefully transitions into summer, May in Kyustendil, Bulgaria, offers a delightful increase in daylight, boasting 14 hours of bright sunshine. This consistent rise from 9 hours in January to 10 hours in February and 11 hours in March, culminating in 13 hours in April, reflects the region's awakening charm and vitality. By the time May arrives, the days stretch longer, inviting outdoor activities and the blossoming of nature. As we move into June, daylight reaches its peak at 15 hours, but May stands out as a crucial month, perfectly balancing warmth and light, signaling the vibrant essence of late spring before summer fully takes hold.

Average Daylight Hours in Kyustendil for May

The chart illustrates the variation in daylight duration in Kyustendil throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 28m10h 33m11h 57m13h 22m14h 35m15h 12m14h 52m13h 48m12h 26m11h 1m9h 46m9h 7m
Data source: Kyustendil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kyustendil

In Kyustendil, Bulgaria, the May winds begin to shift subtly, with an average speed of 1.9 m/s (4 mph)—slightly stronger than the calmer days of April, yet still gentle compared to the peak months of mid-summer. This minimal increase in wind speed is part of a broader trend observed in the spring months, where March sees a consistent 2.1 m/s before a slight dip happens through April. While May continues to maintain this comfortable breeze, the onset of summer brings a decline, with June and July experiencing even lighter winds around 1.5 m/s (3 mph). Overall, May serves as a transitional period, where the air is infused with fresh spring vigor, hinting at the warmth that awaits.

Average May Wind Speed in Kyustendil

The chart displays monthly wind speed patterns in Kyustendil, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.11.81.9 m/s1.51.51.61.61.61.81.9
Data source: Kyustendil May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kyustendil Compares to Other Months

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

In May, the weather transitions to a milder climate with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 29°C (85°F). This month experiences about 68 mm (2.7 in) of precipitation over approximately 14 days, accompanied by a humidity level of 73%. In contrast, January presents a much colder scenario, with temperatures fluctuating between -25°C (-13°F) and a maximum of 13°C (56°F). The precipitation in January, though slightly less at 63 mm (2.5 in), occurs over fewer days, specifically 9 days, and the humidity is higher at 89%. For more detailed information about January weather specifics, refer to Kyustendil weather in January.

May and February present contrasting weather experiences. In May, temperatures range from a brisk 0°C (32°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 15°C (59°F). This month sees about 68 mm (2.7 in) of precipitation spread over 14 days, with a humidity level of 73%. In stark contrast, February features much colder conditions, with temperatures dipping as low as -20°C (-4°F) and peaking at 18°C (65°F), averaging around 3°C (38°F). This winter month has less precipitation, at 51 mm (2.0 in), occurring over just 9 days but carries a higher humidity of 85%. For a more detailed look at February weather, check out Kyustendil weather in February.

May and March present quite different weather patterns. In March, temperatures can drop to a chilly minimum of -18°C (1°F), with an average of 6°C (42°F) and a maximum of 23°C (73°F). The month experiences higher humidity at 83% and more precipitation, totaling 83 mm (3.3 in) over 12 days. In contrast, May brings milder weather, with temperatures ranging from a minimum of 0°C (32°F) to a more pleasant average of 15°C (59°F), peaking at 29°C (85°F). While May sees slightly less precipitation at 68 mm (2.7 in), it spans 14 days, indicating more frequent rain. For a more detailed comparison, you can check out Kyustendil weather in March.

In comparing the weather between April and May, it's evident that May experiences a significant rise in temperatures, with minimums of 0°C (32°F) compared to April's chilling lows of -5°C (23°F). The average temperature in May is a comfortable 15°C (59°F), while April lags behind at an average of 10°C (50°F). Though both months see similar precipitation levels, with May totaling 68 mm (2.7 in) over 14 days and April a close 66 mm (2.6 in) over 11 days, the humidity in May is slightly higher at 73% versus April's 71%. This transition from April to May marks a shift towards warmer and more humid conditions, perfect for enjoying the blossoming spring. For more detailed insights into April weather, you can check Kyustendil weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable average of 15°C (59°F), reaching a maximum of 29°C (85°F). This month experiences an average precipitation of 68 mm (2.7 in) across 14 days, with humidity levels around 73%. In contrast, June brings warmer conditions, with minimum temperatures starting at 5°C (40°F) and an average rising to 18°C (65°F), peaking at a hot 33°C (91°F). Additionally, June sees increased precipitation totaling 97 mm (3.8 in) over 17 days, although humidity decreases slightly to 67%. For more detailed information, you can check Kyustendil weather in June.

In comparing the weather between May and July, one can observe significant changes in temperature and humidity. May experiences milder conditions, with minimum temperatures dropping to around 0°C (32°F) and an average of 15°C (59°F), while July boasts warmer weather, featuring a minimum of 9°C (49°F) and an average of 21°C (70°F). The maximum temperatures also rise dramatically, from 29°C (85°F) in May to a sizzling 35°C (96°F) in July. Precipitation levels are relatively similar, with May receiving 68 mm (2.7 in) over 14 days and July slightly higher at 73 mm (2.9 in) across 12 days. Interestingly, humidity decreases slightly in July, dropping to 68% from a higher 73% in May. For a detailed look at July weather, you can visit Kyustendil weather in July.

When comparing the weather in May and August, we see notable differences in temperature, precipitation, and humidity. May typically sees a minimum temperature of 0°C (32°F) and averages around 15°C (59°F), peaking at a maximum of 29°C (85°F). This month also experiences higher precipitation, totaling 68 mm (2.7 in) over about 14 days, alongside a humidity level of 73%. In contrast, August is warmer and more stable, with temperatures ranging from a minimum of 9°C (48°F) to an average of 21°C (71°F) and a maximum of 35°C (96°F). Precipitation drops significantly to 35 mm (1.4 in) over just 7 days, and humidity decreases to 50%. For more details on August weather, you can visit Kyustendil weather in August.

May experiences a diverse range of temperatures, with a minimum of 0°C (32°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). Despite its warmer days, May also sees considerable precipitation, totaling 68 mm (2.7 in) over approximately 14 days, coupled with relatively high humidity at 73%. In contrast, September features slightly warmer average temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 33°C (91°F) and an average of 17°C (63°F). It boasts significantly less rainfall, with only 36 mm (1.4 in) over just 5 days, and lower humidity levels at 59%. For a more detailed view of September's weather, visit Kyustendil weather in September.

May and October present contrasting weather patterns. In May, temperatures range from a low of 0°C (32°F) to a high of 29°C (85°F), with an average of 15°C (59°F). This month typically sees around 68 mm (2.7 in) of precipitation over about 14 days, accompanied by humidity levels of 73%. In contrast, October features cooler temperatures, with a minimum of -3°C (28°F), an average of 11°C (52°F), and a maximum of 27°C (81°F). Precipitation is lower at 53 mm (2.1 in), spread across just 6 days, and humidity increases slightly to 79%. For more detailed information, you can check Kyustendil weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 29°C (85°F), with an average of 15°C (59°F). The month experiences moderate precipitation of 68 mm (2.7 in) over about 14 days, accompanied by a humidity level of 73%.

On the other hand, November is significantly cooler, with temperatures dipping to a minimum of -12°C (10°F) and averaging 7°C (44°F), while the maximum reaches 23°C (74°F). This month sees lower precipitation at 47 mm (1.9 in) over just 7 days but has a higher humidity level of 87%. For more detailed insights on November weather, check out Kyustendil weather in November.

May and December present quite contrasting weather conditions. In May, temperatures range from a refreshing 0°C (32°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 15°C (59°F). The month sees about 68 mm (2.7 in) of precipitation over 14 days, alongside a moderate humidity level of 73%. In contrast, December brings a chillier climate, with temperatures dipping as low as -12°C (11°F), averaging just 2°C (37°F) and peaking at 13°C (55°F). This month experiences higher precipitation at 92 mm (3.6 in) over 11 days, coupled with increased humidity at 89%. For more detailed insights on December's weather, you can visit Kyustendil weather in December.

Compare Kyustendil's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kyustendil

As May unfolds in Kyustendil, the weather takes on a refreshing charm, making it distinct from the preceding months. With a pleasant average temperature of 15°C and maximums reaching 29°C, the atmosphere becomes inviting, paving the way for outdoor activities. However, May does bring about an increase in rainfall, with 14 days experiencing precipitation, leading to a higher humidity level of 73% compared to the drier months before. This blend of warmth and occasional showers contributes to the lush landscapes, making May a delightful time for nature enthusiasts. For more insights into the overall climate, visit Kyustendil Climate.