Last updated: February 26, 2025
In Ulm, Germany, May showcases a delightful transition into warmer weather, with maximum temperatures reaching a pleasant 29°C (85°F) and an average of 12°C (54°F). However, the month can still experience cooler evenings, with temperatures dipping to a brisk -2°C (29°F). Rainfall is a notable aspect of May, contributing 106 mm (4.2 in) of precipitation over 16 days, which helps maintain the town's lush greenery. With average humidity levels around 79%, visitors should be prepared for both sunny days and occasional showers, making it essential to enjoy the beauty of Ulm while staying equipped for varying weather conditions.
In Ulm, Germany, May brings a noticeable transition towards warmer weather as spring culminates in vibrant blooms. With average temperatures settling around 12°C (54°F), residents and visitors enjoy a marked increase in warmth compared to the earlier months. The minimum temperature hovers just above freezing at -2°C (29°F) while reaching a pleasant maximum of 29°C (85°F), perfect for outdoor activities. This growth in temperature trend hints at the summer's arrival, encouraging picnics along the Danube and strolls through the city's charming streets. As the days grow longer and sunnier, May truly encapsulates the season's essence, balancing cool mornings with delightful afternoons.
In May, Ulm experiences a significant increase in precipitation, with 106 mm (4.2 in) of rainfall over 16 days—a stark contrast to the drier conditions of April, which saw only 42 mm (1.7 in) across 9 days. This marked jump not only highlights May as the wettest month so far but also sets the stage for the even heavier rains expected in June, which averages 124 mm (4.9 in). The trend indicates that while spring starts off relatively dry, it quickly transitions to a wetter climate, priming the lush landscapes for the summer growth ahead. As the days become longer, the rainfall also becomes more frequent, underscoring May's pivotal role in Ulm's seasonal rhythm.
In Ulm, Germany, May marks a notable shift in humidity levels as they dip to 79%, the lowest point of the year. This decline from the wetter winter months, where humidity hovers around 91% in January and 89% in February, signifies the gradual warming as spring transitions into summer. Following May, humidity levels begin to creep back up, reaching 82% in June and peaking again in August. The overall trend reveals an annual cycle: while winter brings high moisture, May offers a brief respite, inviting residents to enjoy milder, less humid days before the summer heat returns.
In Ulm, Germany, the UV Index experiences a notable surge in May, reaching 8, which falls into the very high exposure category. This sharp increase from the previous months signifies a crucial shift in sun intensity as spring transitions into summer. With a burn time of just 15 minutes, it's essential for residents and visitors to be vigilant about sun protection during this period. As the UV Index peaks in June and July, staying informed and prepared becomes increasingly important. The trend highlights a seasonal pattern where the UV levels elevate significantly from moderate exposure in early spring to very high levels by late spring. For more details on UV Index levels throughout the year, visit Ulm UV Index.
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May in Ulm, Germany, marks a vibrant transition into the summer months, with 372 hours of sunshine illuminating the city. This surge in sunlight continues a steady upward trend from the winter months, where January's meager 139 hours gave way to increased brightness through spring. As the days lengthen and temperatures rise, Ulm experiences a delightful peak in sunshine hours in June, reaching 389 hours. The progression from May's warmth to the longer days of summer encapsulates the essence of the season, promising residents and visitors alike an abundance of sunny experiences before the gradual decline begins in August. This cyclical dance of daylight not only enhances the city’s charm but also invites exploration of its enchanting streets and picturesque landscapes.
In Ulm, Germany, the likelihood of experiencing sunny weather in May sits at 29%, reflecting a slight dip compared to the preceding months of April and March, which enjoy higher probabilities of sun at 42% and 40%, respectively. This trend suggests that while spring blossoms and outdoor activities may be enticing, residents should prepare for some cloud cover as May unfolds. Interestingly, as the year progresses, the chances of sunshine increase in the latter months, with September peaking at an impressive 46%. This cyclical nature of weather patterns emphasizes the importance of adaptability, allowing for both sunny days and sporadic showers that characterize Ulm's charming spring climate.
As spring blooms into summer, Ulm, Germany experiences a delightful increase in daylight hours, peaking in May with an impressive 15 hours of sunlight. This gradual elongation from 8 hours in January to the sun-drenched days of late spring highlights the city's transition from winter’s gloom to the vibrancy of summer. Following May, the longest days occur in June with 16 hours, creating an inviting atmosphere for outdoor activities. As the year progresses, daylight begins to wane once more, gently descending to 12 hours in September and concluding the cycle at 8 hours in December. This rhythmic pattern of daylight not only marks the change of seasons but also enriches the cultural and recreational life of Ulm throughout the year.
In May, Ulm, Germany experiences a refreshing breeze, with an average wind speed of 3.6 m/s (8 mph), marking a notable uptick compared to the calmer months of April and the preceding winter. This gentle gustiness heralds the transition into summer, aligning with the warmer temperatures and blossoming scenery. While some months exhibit notably lower wind speeds, such as June's 2.2 m/s (5 mph) and September's 2.0 m/s (5 mph), May stands out as one of the windier periods of the year, suggesting a vibrant atmosphere for outdoor enthusiasts and nature lovers alike. As the year progresses into the summer months, the winds tend to calm, rounding out a pattern that showcases May as a pivotal point in Ulm’s annual climate cycle.
The weather in Ulm 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 Ulm and find detailed weather information for every month.
In comparison to January, May experiences significantly warmer temperatures, with averages around 12°C (54°F) compared to January's chilly average of 0°C (33°F). While May can reach maximum temperatures of up to 29°C (85°F), January's highs rarely exceed 13°C (56°F). Additionally, May sees more precipitation, totaling 106 mm (4.2 in) over 16 days, whereas January has less rain at 67 mm (2.6 in) over 11 days. Humidity levels are also interestingly high in both months, with January at 91% and May slightly lower at 79%. For further insights on January weather conditions, you can explore Ulm weather in January.
In comparing the weather between May and February, it's evident that May enjoys much milder temperatures, with an average of 12°C (54°F) and a maximum of 29°C (85°F), making it significantly warmer than February's average of 2°C (37°F) and maximum of 18°C (65°F). Additionally, February experiences much colder nights, with temperatures dipping as low as -18°C (-1°F), whereas May's minimum temperature is a much more tolerable -2°C (29°F).
Precipitation in May is relatively higher, totaling 106 mm (4.2 in) over 16 days, compared to February's 66 mm (2.6 in) over 11 days. However, February has a slightly higher humidity level at 89%, in contrast to May's 79%. This variation in weather patterns makes May feel much more inviting than the chilly conditions in February. For more specific details, you can refer to Ulm weather in February.
In comparing the weather of March and May, notable differences emerge. March typically experiences colder temperatures, with a minimum of -16°C (3°F), an average of 5°C (41°F), and a maximum of 21°C (70°F). In contrast, May offers a milder climate, featuring temperatures ranging from a minimum of -2°C (29°F) to an average of 12°C (54°F) and peaking at a warm 29°C (85°F). March sees less precipitation, averaging 68 mm (2.7 in) over 13 days, whereas May has significantly higher rainfall at 106 mm (4.2 in) over 16 days. Humidity levels are slightly higher in March at 87%, compared to May's 79%. For more detailed insights about the weather in March, you can check Ulm weather in March.
When comparing the weather in May to that of April, it's evident that May tends to be warmer and wetter. In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 29°C (85°F), with an average temperature of 12°C (54°F). In contrast, April experiences lower temperatures, with a minimum of -6°C (21°F) and a maximum of 26°C (79°F), averaging just 9°C (48°F). Additionally, May sees significantly more precipitation, measuring 106 mm (4.2 in) over 16 days, while April has only 42 mm (1.7 in) over 9 days. Interestingly, while humidity levels are slightly lower in May at 79% compared to April's 83%, both months exhibit a fair amount of moisture. For a more detailed look at April weather, check out Ulm weather in April.
In comparing the weather between May and June, we see a noticeable increase in temperatures. May typically experiences minimum temperatures as low as -2°C (29°F) and an average of 12°C (54°F), while June brings warmer conditions with minimums starting at 5°C (41°F) and an average of 17°C (64°F). The maximum temperatures also rise significantly, reaching up to 29°C (85°F) in May and soaring to 33°C (92°F) in June. Precipitation levels remain relatively high, with May receiving 106 mm (4.2 in) over 16 days compared to June's 124 mm (4.9 in) over just 14 days. Humidity levels are slightly elevated in June at 82%, compared to 79% in May. For more detailed information about conditions in June, you can visit Ulm weather in June.
May and July exhibit notable differences in weather conditions. In May, temperatures range from a chilly low of -2°C (29°F) to a warm high of 29°C (85°F), with an average of 12°C (54°F). The month experiences higher precipitation levels, totaling 106 mm (4.2 in) over about 16 days, contributing to a humidity level of 79%. In contrast, July sees milder minimum temperatures starting at 6°C (44°F) and reaching an average of 18°C (65°F), with maximums soaring to 34°C (94°F). Although July is generally drier with 89 mm (3.5 in) of rain spread over 13 days, it has slightly higher humidity at 83%. For a more detailed look at July weather, visit Ulm weather in July.
May and August present contrasting weather patterns, reflecting the transition from spring to summer. In May, temperatures can range from a chilly -2°C (29°F) at night to a pleasant 29°C (85°F) during the day, with an average of 12°C (54°F). The month sees substantial rainfall of 106 mm (4.2 in) over 16 days, accompanied by high humidity at 79%. In contrast, August offers milder nights with a minimum temperature of 6°C (44°F) and a warmer daytime average of 18°C (65°F), reaching highs of 32°C (90°F). Despite similar overall precipitation levels of 107 mm (4.2 in), August typically experiences rain over fewer days—14 in total—and slightly higher humidity at 84%. For more details on August weather, you can check Ulm weather in August.
In May, temperatures in Ulm range from a chilly -2°C (29°F) at the lowest to a warm 29°C (85°F) at the highest, with an average of 12°C (54°F). The month experiences significant rainfall, totaling 106 mm (4.2 in) over 16 days, accompanied by a humidity level of 79%. In contrast, September sees slightly milder conditions, with temperatures fluctuating between 1°C (35°F) and a comfortable maximum of 28°C (83°F), averaging 14°C (58°F). The precipitation in September is notably less, at 64 mm (2.5 in) over 12 days, with humidity creeping up to 85%. For more details on September's weather, check out Ulm weather in September.
May and October present distinct weather patterns, with May showcasing a wider temperature range, from a chilly minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), averaging around 12°C (54°F). In contrast, October tends to be cooler, with minimums around -1°C (31°F) and a maximum of 23°C (74°F), averaging 10°C (50°F). While May experiences more precipitation (106 mm) over more days (16 days), October has less rainfall at 67 mm across 12 days. Additionally, October's humidity is slightly higher at 88% compared to May's 79%. For more detailed insights, check out Ulm weather in October.
May and November display distinct weather patterns, reflecting the transition from spring to late autumn. In May, temperatures range from a brisk minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), with an average of 12°C (54°F). The month experiences a higher level of precipitation at 106 mm (4.2 in) over 16 days, along with a humidity level of 79%. In contrast, November tends to be cooler, with temperatures dipping lower, showcasing a minimum of -4°C (25°F) and an average of just 4°C (39°F), while reaching a maximum of 19°C (66°F). The overall precipitation is less at 50 mm (2.0 in) over 10 days, accompanied by a slightly higher humidity of 89%. For more details, check out Ulm weather in November.
May and December present distinctly different weather patterns. In May, temperatures range from a minimum of -2°C (29°F) to a warm maximum of 29°C (85°F), with an average of 12°C (54°F). The month experiences about 106 mm (4.2 in) of precipitation over 16 days, accompanied by a relatively comfortable humidity level of 79%. In contrast, December sees significantly colder temperatures, with a minimum of -9°C (16°F) and an average of just 2°C (35°F), peaking at a maximum of 13°C (56°F). Precipitation is slightly lower at 98 mm (3.9 in) but occurs over 17 days, while humidity rises to 91%, making the air feel much heavier. For a closer look at specific conditions in December, you can explore Ulm weather in December.
May in Ulm ushers in a vibrant transition from the chill of winter to the warmth of summer, with temperatures reaching delightful highs contrasted by cooler nights. Unlike the frosty days of earlier months, May showcases an inviting average of 12°C, making it a perfect time for outdoor activities. However, the month does not shy away from its fair share of rain, with about 16 days seeing precipitation, contributing to a 79% humidity level that keeps the air feeling fresh and invigorating. As the landscape bursts into bloom, Ulm's May weather stands out as a refreshing and dynamic precursor to the summer heat. For a deeper understanding of what to expect throughout the year, explore more at Ulm Climate.