Last updated: March 24, 2025
In Bologna, Italy, May presents a delightful mix of warmth and occasional rain, making it a captivating month to experience this historic city. With maximum temperatures reaching 32°C (90°F) and an average of 18°C (65°F), visitors can enjoy pleasant afternoons, while cooler evenings can dip to a refreshing 6°C (43°F). May sees about 112 mm (4.4 in) of precipitation spread across 14 days, contributing to the lush, vibrant landscapes that characterize the region. The humidity levels around 70% add a touch of Mediterranean charm, making May a wonderful time to explore Bologna's rich culture and picturesque scenery.
May in Bologna, Italy marks a delightful transition into warmer weather, with temperatures reflecting the vibrant energy of spring. Daily lows hover around 6°C (43°F), while the average temperature climbs to a comfortable 18°C (65°F), making it the ideal time for outdoor activities and exploring the city’s rich cultural heritage. The days can get quite warm, with highs reaching 32°C (90°F), so visitors should be prepared for some sunny afternoons. As spring draws to a close, May stands out as a month of significant warmth compared to the cooler temperatures of the preceding months, such as April, which typically showcases milder averages. The rise in temperatures heralds the onset of summer, making Bologna not just a feast for the eyes but also a delight for the senses during this enchanting time of year.
In Bologna, May marks a notable increase in precipitation, with a substantial 112 mm (4.4 in) of rain, making it the wettest month so far this year. This uptick is accompanied by an increase in the number of rainy days, totaling 14 days, which reflects a shift towards a more unstable and humid climate as late spring unfolds. Compared to earlier months, such as January's meager 24 mm and 4 rainy days, May sets a distinct trend of higher rainfall, hinting at the bustling growth of flora and a vibrant atmosphere. As the city transitions into summer, residents and visitors alike can expect a lush and lively environment, shaped by the nourishing rains of May.
In May, humidity in Bologna, Italy hovers around 70%, marking a subtle dip from the higher levels seen in the preceding months. This slight decrease aligns with the overall trend of reducing humidity as spring transitions into summer; humidity levels steadily decline from April's 71% to June's 65%. The month of May offers a pleasant balance, where the warmth of early summer can be enjoyed without the oppressive mugginess of peak season. Overall, May's moderate humidity reflects a shift towards drier months, paving the way for the hotter and sunnier days to come.
In Bologna, Italy, May marks a significant shift in UV exposure, with the UV Index soaring to 8, categorizing it as very high. This increase means that residents and visitors should take extra precautions, as the burn time drops to a mere 15 minutes for unprotected skin. Following April's high index of 7, the trend towards elevated UV levels continues into June, where the UV Index peaks at 10. This steady rise from the lower numbers seen in the earlier months illustrates the increasing intensity of sunlight as summer approaches. Therefore, it's crucial to be vigilant with sun protection measures during this time. For a comprehensive understanding of Bologna's UV trends, check out the detailed information here: Bologna UV Index.
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As spring blossoms into summer, May in Bologna shines brightly, boasting an impressive 381 hours of sunshine. This is a marked increase from the 339 hours in April, reflecting the city's transition into sunnier days. The trend continues upward as the days grow longer, leading to June's peak of 419 hours of sunlight. May serves as a vibrant prelude to the warmth of summer, casting a delightful glow over Bologna's historic architecture and lively streets. This steady rise in sunshine not only enhances the city's charm but also beckons locals and visitors alike to bask in the increasing warmth and beauty that spring offers.
In Bologna, Italy, the likelihood of sunny weather experiences a notable upward trend as spring transitions into summer. While May boasts a 48% chance of sunshine, it falls just shy of April's 47% and shows a remarkable leap from the damp grayness of January at 37%. As the city basks in warmth, June sees a further increase to 60%, signaling the arrival of sunnier days ahead. This gradual buildup of sunny prospects suggests that by the time you reach May, you're likely to enjoy a delightful mix of sun and mild temperatures, setting the perfect stage for outdoor adventures.
In Bologna, Italy, daylight duration undergoes a captivating transformation throughout the year. Starting with only 9 hours in January, the days gradually lengthen, gaining an hour in February and reaching 11 hours by March. As spring blooms in April, daylight increases to 13 hours, setting the stage for May, when residents can bask in an impressive 14 hours of sunlight. This trend continues into the summer, peaking at 15 hours in both June and July, providing ample opportunity for outdoor activities. However, as summer wanes, daylight begins to shorten again, tapering off to 13 hours in August and continuing on a decline into autumn. By November, Bologna finds itself returning to 9 hours of daylight, reminding us of the cyclical nature of the seasons as the year draws to a close.
As spring transitions into summer, May in Bologna, Italy, brings a refreshing shift in the breeze, with an average wind speed of 2.6 m/s (6 mph)—the highest of the year. This subtle uptick from April's 2.2 m/s (5 mph) signals a gentle increasing trend, suggesting a desirable climate for outdoor enthusiasts and a breath of fresh air for those enjoying the city's picturesque landscapes. In contrast, the milder summer months of June and July witness a decline, averaging 2.0 m/s (4 mph) and 1.9 m/s (4 mph) respectively, reflecting the typically calmer conditions of the season. This rhythm of wind speed in May not only enhances the charm of Bologna but also invites a pleasant atmosphere perfect for leisurely strolls or al fresco dining, making it a delightful time to experience the city’s vibrant culture.
The weather in Bologna changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Bologna and find detailed weather information for every month.
In comparing the weather of May and January, a striking contrast emerges. May enjoys a more temperate climate with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), along with an average of 18°C (65°F). However, this month also sees a higher level of precipitation, with 112 mm (4.4 in) spread over 14 days, and humidity at 70%. In contrast, January is quite cold, featuring temperatures that dip to a minimum of -6°C (22°F) and only peak at 15°C (59°F), with an average temperature of 4°C (39°F). Additionally, January experiences much less precipitation, totaling just 24 mm (1.0 in) over 4 days, but has higher humidity at 87%. For more detailed insights, you can visit Bologna weather in January.
May and February present notably different weather patterns. In May, temperatures range from a chilly 6°C (43°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (65°F). In contrast, February experiences much cooler temperatures, with a minimum of -9°C (16°F) and a maximum of 21°C (70°F), averaging around 7°C (45°F). Additionally, May sees higher precipitation, with 112 mm (4.4 in) over about 14 days, compared to February's 73 mm (2.9 in) across 9 days. Humidity also differs slightly, being lower in May at 70% compared to February’s 79%. For more detailed information, you can visit Bologna weather in February.
When comparing the weather in May and March, there are notable differences. May typically features a much warmer climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 32°C (90°F) and an average temperature of 18°C (65°F). In contrast, March is significantly cooler, experiencing temperatures that drop as low as -13°C (9°F) and rise to a maximum of 25°C (77°F), with an average of 10°C (50°F). Precipitation levels also vary, as May receives 112 mm (4.4 in) over approximately 14 days, while March has a total of 48 mm (1.9 in) over just 7 days. Both months have similar humidity levels, with May at 70% and March at 69%. To learn more about the specific weather conditions in March, you can check Bologna weather in March.
Comparing the weather in April and May reveals notable differences in temperature and precipitation levels. April typically experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 14°C (57°F), peaking at 27°C (81°F). In contrast, May sees a rise in temperatures, ranging from a minimum of 6°C (43°F) to an average of 18°C (65°F) and a maximum of 32°C (90°F). Additionally, May is characterized by increased precipitation, with 112 mm (4.4 in) falling over 14 days, compared to April's 59 mm (2.3 in) over 8 days. Humidity levels remain similar, at 71% in April and slightly lower at 70% in May. For more insights on April weather, you can visit Bologna weather in April.
May typically features a wider range of temperatures, with lows dipping to 6°C (43°F) and highs reaching up to 32°C (90°F), while June enjoys a more consistent warm climate, with average temperatures ranging from 12°C (55°F) to a peak of 39°C (102°F). In addition, May experiences significantly higher rainfall, with 112 mm (4.4 in) over 14 days, compared to June's milder precipitation of 48 mm (1.9 in) over just 7 days. Humidity levels also drop from 70% in May to 65% in June, contributing to a generally drier and more comfortable atmosphere in the early summer. For more detailed insights, you can check out Bologna weather in June.
May and July present contrasting weather patterns. In May, temperatures range from a cooler minimum of 6°C (43°F) to a warm maximum of 32°C (90°F), with an average of 18°C (65°F). This month also experiences higher precipitation, averaging 112 mm (4.4 in) over 14 rainy days, contributing to a humidity level of 70%. In contrast, July showcases much warmer conditions, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 38°C (100°F) and an average of 26°C (79°F). July sees significantly less rainfall—about 60 mm (2.3 in) over 8 days—and a decrease in humidity to 61%. For a more detailed look at July's climate, visit Bologna weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a cool 6°C (43°F) at night to a warm 32°C (90°F) during the day, with an average of 18°C (65°F). While the month sees considerable rainfall with 112 mm (4.4 inches) spread over 14 days, it also has a high humidity level of 70%. In stark contrast, August features milder nights with temperatures starting at 13°C (55°F) and peaking at a scorching 40°C (105°F), averaging 26°C (79°F). Additionally, August experiences significantly lower precipitation at just 49 mm (1.9 inches) over 8 days and a reduced humidity of 54%. For more detailed information on August weather in Bologna, you can visit Bologna weather in August.
In May, temperatures range from a cool minimum of 6°C (43°F) to a warm maximum of 32°C (90°F), with an average temperature around 18°C (65°F). The month experiences approximately 112 mm (4.4 in) of precipitation over 14 days, contributing to higher humidity levels at 70%. In contrast, September offers slightly warmer conditions, with minimum temperatures starting at 7°C (45°F) and maximums reaching up to 34°C (93°F), leading to an average of 21°C (70°F). It sees less rainfall, with 86 mm (3.4 in) expected over 10 days and lower humidity at 66%. For more detailed information about the weather in September, check out Bologna weather in September.
May and October present quite different weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). This month experiences more rainfall, totaling 112 mm (4.4 in) over about 14 days, and the humidity stands at 70%. In contrast, October sees cooler temperatures with a minimum of 5°C (41°F) and a maximum of 27°C (82°F), averaging 15°C (60°F). Rainfall is lower at 65 mm (2.5 in) across just 7 days, and humidity increases to 83%. For more details on October weather specifics, check Bologna weather in October.
May and November present distinctly different weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (90°F), with an average of 18°C (65°F). While the month experiences substantial precipitation, totaling 112 mm (4.4 in) over 14 days, humidity averages around 70%, offering a warm and vibrant start to summer.
In contrast, November's weather sees cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 20°C (68°F), averaging at 10°C (51°F). Although it has slightly more precipitation at 118 mm (4.6 in) over 12 days, the humidity increases significantly to 88%, giving the month a damp and chilly feel. For a closer look at November's conditions, check out Bologna weather in November.
May and December exhibit stark contrasts in weather conditions. In May, temperatures range significantly, with a minimum of 6°C (43°F) and a maximum of 32°C (90°F), averaging around 18°C (65°F). The month sees considerable precipitation of 112 mm (4.4 in) spread across 14 days, accompanied by a humidity level of 70%. In contrast, December experiences much colder temperatures, with a minimum of -6°C (22°F) and a maximum of 16°C (61°F), averaging just 5°C (42°F). Precipitation is lighter at 74 mm (2.9 in) over 10 days, but the humidity rises to a higher level of 85%. For more detailed insights, check out Bologna weather in December.
As May unfolds in Bologna, the weather offers a delightful transition from the chill of spring to the warmth of summer. With temperatures peaking at a pleasant 32°C (90°F) and an average of 18°C (65°F), this month stands out as a time of comfort and vibrancy, unlike the cooler and more variable weather of earlier months. While the city experiences an average of 14 days of precipitation, the rainfall is generally light and interspersed with plenty of sunny spells, making it an ideal time for outdoor exploration. With humidity around 70%, the air feels warm yet inviting. For a deeper insight into what the weather holds throughout the year, check out Bologna Climate.