Last updated: August 21, 2025
May in Shumen, Bulgaria brings a delightful blend of mild temperatures and occasional rainfall. The maximum temperature can soar to 29°C (84°F), while the average hovers around a comfortable 16°C (62°F). Early morning chill may surprise with a minimum of 3°C (37°F). Rainfall is common, with a total precipitation of 51 mm (2.0 in) spread over 9 days, contributing to a humidity level of 72%. This season marks a vibrant transition into summer, offering visitors a refreshing climate filled with lush greenery.
In May, Shumen, Bulgaria, experiences a delightful transition into warmer weather, with temperatures reflecting the full bloom of spring. The minimum temperature rises to a mild 3°C (37°F), while the average creeps up to a comfortable 16°C (62°F), offering a pleasant respite from the lingering chill of earlier months. The days can warm up to a sunny 29°C (84°F), inviting locals and visitors alike to enjoy outdoor activities amid blossoming landscapes. This month marks a significant shift from the colder winter and early spring months, showcasing a steady climb in temperatures that hints at the summer warmth just around the corner. As Shumen basks in these inviting conditions, it's the perfect time to explore the city's rich history and vibrant culture.
May in Shumen, Bulgaria, brings a mild increase in precipitation, with 51 mm (2.0 in) of rain recorded over 9 days. This rainfall is slightly above the 39 mm seen in April, suggesting a transition into the wetter months ahead. The pattern established in earlier months indicates a gradual uptick in precipitation as spring gives way to summer, with May serving as a bridge between the two. The relatively moderate rainfalls are conducive to the blossoming flora, while the frequency of rainy days hints at the refreshing nature of spring in this beautiful region. As the rainy season approaches, May prepares Shumen for the heavier downpours of June, which often sees nearly double the rainfall.
In Shumen, Bulgaria, May marks a notable transition in humidity levels, averaging around 72%. This slight increase from April's 70% indicates the approach of warmer months, as moisture begins to rise in anticipation of summer. As the year unfolds, humidity levels continue to decline, peaking in the winter months where figures soar to 88% in January and gradually decrease to 62% by July. The pattern reveals a clear seasonal trend, where the lush freshness of spring gives way to the drier heat of summer, creating a dynamic climate that captures the essence of changing seasons.
In May, Shumen, Bulgaria, experiences a significant surge in UV radiation, with the UV Index peaking at 9, categorizing it as very high and dramatically reducing the safe burn time to just 15 minutes. This escalation from earlier months highlights the shift from moderate in February to high in March and April, culminating in the need for increased sun protection. As the weather warms, residents and visitors should take extra precautions to safeguard their skin against potential sun damage during this intense UV period. For more details on UV Index trends throughout the year, check out Shumen UV Index.
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In Shumen, Bulgaria, the month of May truly shines, boasting an impressive 389 hours of sunshine that marks a delightful peak in the yearly cycle. Following a gradual ascent from the winter months—where sunshine is scarce, with just 164 hours in January—the amount of sunlight steadily increases through the spring. By April, residents can already bask in 339 hours, but it’s May that transforms the landscape into a sun-drenched paradise. This trend continues into June with 391 hours, and the warmth intensifies, reaching its zenith in July at 421 hours. As the year progresses, sunlight begins to wane, but each sunny month reinforces Shumen's charm, ensuring that May remains a standout, heralding the bright promise of summer ahead.
As spring transitions into summer, Shumen, Bulgaria experiences a promising outlook for sunny weather in May, with a 44% chance of sunshine. This marks an upward trend from earlier spring months like April and March, both sitting at 44%, which already hint at increasing brightness. May’s sunny prospects align closely with June's 45%, setting the stage for the warmer months ahead. Notably, this gradual rise in sunshine chances reflects a shift from the relatively dreary winter months, where sunny days are limited to just 27% in January. As the days lengthen and temperatures climb, May serves as a pivotal month, paving the way for the abundant sunshine characteristic of July's impressive 74%.
In Shumen, Bulgaria, the daylight duration undergoes a captivating transformation throughout the year, showcasing a clear trend towards longer days as spring progresses into summer. January begins with a modest 9 hours, gradually increasing to 10 hours in February and reaching 11 hours by March. As the world awakens to spring, April offers 13 hours of daylight, culminating in a vibrant 14 hours by May. This peak in sunlight continues through June with a remarkable 15 hours, creating the perfect backdrop for outdoor adventures. However, as summer wanes, daylight slowly begins to retreat, dropping to 14 hours in July and 13 hours in August before settling at 12 hours in September. The cycle concludes with a return to shorter days as fall emerges, with October and November both offering 10 and 9 hours of daylight, respectively. This rhythmic ebb and flow highlights the beauty of seasonal change in Shumen, inviting both residents and visitors to revel in the sunlight as it shifts throughout the year.
In Shumen, Bulgaria, the average wind speed in May hovers around 2.8 m/s (6 mph), embracing a gentle breeze that characterizes early summer. This slight uptick from April’s 2.5 m/s suggests a subtle transition towards warmer months, even as wind speeds generally remain consistent throughout the year. Notably, the spring months, from March to May, showcase a trend of generally low winds, with only minor fluctuations, supporting outdoor activities and the delightful blooming of nature. As summer approaches, the wind tends to calm, with the lowest averages experienced in August at 2.2 m/s, providing a serene atmosphere perfect for enjoying the vibrant surroundings in Shumen.
Weather in Shumen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Shumen, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January display stark contrasts in weather. In May, temperatures range from a brisk 3°C (37°F) at their minimum to a pleasant 29°C (84°F) at their peak, with an average of 16°C (62°F). While May experiences some rainfall, totaling 51 mm (2.0 in) over about 9 days, the humidity sits at a moderate 72%. In contrast, January presents much colder conditions, with temperatures dipping as low as -17°C (2°F) and peaking at only 16°C (61°F), averaging around 1°C (34°F). Although January has slightly less precipitation at 49 mm (1.9 in) and fewer rainy days at 7, the humidity is notably higher at 88%. For a detailed look at January's climate, visit Shumen weather in January.
When comparing the weather in May and February, it's clear that May brings a much milder climate. Average temperatures in May range from a chilly 3°C (37°F) at night to a pleasant 16°C (62°F) during the day, peaking at a warm 29°C (84°F), whereas February’s temperatures are much colder, with lows hitting -12°C (11°F) and an average of only 4°C (39°F), reaching a maximum of 19°C (66°F). Precipitation is fairly similar in both months, with May receiving about 51 mm (2.0 in) over 9 days and February slightly less at 44 mm (1.7 in) over just 7 days. Additionally, February exhibits higher humidity at 84%, compared to May’s 72%. For more detailed information on February weather, you can visit Shumen weather in February.
In comparing the weather of March and May, we see a notable shift in temperatures and conditions. March experiences cooler temperatures, with a minimum of -13°C (10°F) and an average of 6°C (43°F), whereas May warms up significantly, averaging 16°C (62°F) and peaking at 29°C (84°F). Precipitation patterns also differ; March has slightly higher rainfall at 64 mm (2.5 in) over 10 days compared to May's 51 mm (2.0 in) across 9 days. Additionally, March tends to be more humid, with an average humidity of 81%, compared to May's 72%. For more detailed insights, you can check Shumen weather in March.
In comparing the weather in April and May, it's clear that May generally offers warmer and more varied temperatures. While April experiences a minimum temperature of -2°C (29°F) and a maximum of 27°C (80°F) with an average of 11°C (52°F), May sees a rise in the average temperature to 16°C (62°F), with maximums reaching up to 29°C (84°F). Precipitation levels are slightly higher in May, with 51 mm (2.0 in) spread over 9 days, compared to April's 39 mm (1.6 in) over 7 days. Both months have similar humidity levels, with April at 70% and May at 72%. For more detailed insights on April's weather, you can explore Shumen weather in April.
May and June exhibit distinct climatic differences. In May, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant average of 16°C (62°F), peaking at a warm 29°C (84°F). The month sees about 51 mm (2.0 in) of rainfall spread over 9 days, with humidity levels around 72%. In contrast, June brings warmer conditions, with minimum temperatures rising to 8°C (46°F) and an average of 21°C (69°F), reaching a high of 34°C (93°F). However, June is also wetter, with approximately 99 mm (3.9 in) of precipitation over 15 days and a slightly lower humidity level of 66%. For more details on June's weather, you can check Shumen weather in June.
In May, the weather is typically milder with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), averaging around 16°C (62°F). This month also experiences more humidity at 72% and about 51 mm (2.0 in) of precipitation over 9 days. In contrast, July brings noticeably warmer conditions, with temperatures ranging from 13°C (55°F) to a high of 37°C (100°F) and an average of 23°C (74°F). While July has slightly less precipitation at 50 mm (2.0 in) over 10 days, the humidity drops to 62%, resulting in a more comfortable yet hotter atmosphere. For more detailed insights, you can check Shumen weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a cool minimum of 3°C (37°F) to an average of 16°C (62°F), peaking at a warm 29°C (84°F). This month experiences moderate rainfall, averaging 51 mm (2.0 in) over about 9 days, coupled with a higher humidity level of 72%. In contrast, August is significantly warmer, with temperatures ranging from a minimum of 12°C (53°F) to an average of 24°C (75°F), and reaching a scorching maximum of 38°C (101°F). Rainfall is considerably lower in August, averaging just 21 mm (0.8 in) over 4 days, and humidity drops to a more comfortable 48%. For a detailed overview of August's climate, you can refer to Shumen weather in August.
May and September showcase distinct weather characteristics that reflect the transition from spring to autumn. In May, temperatures range from a chilly 3°C (37°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 16°C (62°F). This month also sees a fair amount of rainfall, with about 51 mm (2.0 in) spread over 9 days, coupled with a relatively high humidity of 72%.
In contrast, September offers slightly warmer conditions, with minimum temperatures remaining the same at 3°C (37°F) but reaching a higher maximum of 33°C (91°F) and an average of 19°C (67°F). Notably, it experiences much less rainfall, totaling only 19 mm (0.8 in) over just 3 days, and lower humidity at 58%. For a more detailed look at weather patterns in September, check out Shumen weather in September.
May and October present distinct weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (84°F), with an average of 16°C (62°F). The month experiences 51 mm (2.0 in) of precipitation over 9 days, with a humidity level of 72%. In contrast, October has a slightly cooler average temperature, ranging from a minimum of 1°C (34°F) to a maximum of 31°C (87°F) and averaging 13°C (56°F). Rainfall is comparable, with 52 mm (2.0 in) occurring over just 6 days, and humidity increases to 78%. For a detailed look at October weather, visit Shumen weather in October.
In May, the weather is generally warmer with temperatures ranging from a minimum of 3°C (37°F) to a pleasant maximum of 29°C (84°F), along with an average temperature of 16°C (62°F). This month experiences some rainfall, totaling 51 mm (2.0 in) over about 9 days, while maintaining a humidity level of 72%. In contrast, November presents a much cooler climate, with temperatures dipping as low as -5°C (23°F) at night, peaking at 26°C (79°F), and averaging at 8°C (47°F). The month has slightly less rainfall at 48 mm (1.9 in) over 7 days but boasts higher humidity at 85%. For more detailed insights on November weather, visit Shumen weather in November.
May and December showcase strikingly different weather conditions. In May, temperatures range from a pleasant minimum of 3°C (37°F) to a warm maximum of 29°C (84°F), with an average of 16°C (62°F). The month experiences moderate rainfall, totaling 51 mm (2.0 in) over approximately 9 days, and humidity levels hover around 72%. In contrast, December is characterized by much colder conditions, with temperatures dipping to a minimum of -11°C (13°F) and averaging 4°C (39°F), while reaching a maximum of 18°C (64°F). The precipitation in December is slightly higher at 66 mm (2.6 in), spread across 12 days, with a notable increase in humidity to 87%. For more specific details on December weather in Shumen, check out Shumen weather in December.
May in Shumen is a delightful transition into warmer weather, marked by mild temperatures and increased humidity compared to the chill of early spring. With maximum temperatures reaching up to 29°C (84°F), this month stands out as a vibrant period filled with blooming flora and lively outdoor activities. Although there are some rainy days, averaging 51 mm of precipitation, the overall climate feels fresh and invigorating. This unique blend of moderate warmth and occasional rain makes May a perfect time to explore Shumen's natural beauty and cultural heritage. For more detailed insights into Shumen's climate, visit Shumen Climate.