Last updated: February 26, 2025
In May, Heilbronn, Germany, experiences a delightful range of weather, with temperatures reaching a maximum of 30°C (87°F) and an average of 14°C (57°F). While occasional cool spells bring the minimum down to -1°C (30°F), the month primarily showcases the beauty of spring. However, be prepared for a splash of rain, with precipitation totaling 85 mm (3.3 in) across 14 days, contributing to the lush landscape. The humidity levels hover at a comfortable 79%, creating an invigorating atmosphere perfect for outdoor activities.
In Heilbronn, Germany, May ushers in a pleasant transformation as temperatures begin to rise, showcasing a distinct transition from the chill of winter. With a minimum temperature of -1°C (30°F) and an average climbing to 14°C (57°F), the month balances coolness with warmth, making it a delightful time for outdoor activities. The maximum temperature can reach an inviting 30°C (87°F), hinting at the onset of summer. This shift is part of a broader trend observed in the month of May, where warmth steadily gives way to the hotter temperatures of June and July. As spring leaves its mark, the blooming landscapes of Heilbronn serve as a picturesque backdrop, inviting locals and visitors alike to enjoy the vibrant seasonal change.
May brings a notable shift in Heilbronn's weather, with precipitation amounting to 85 mm (3.3 in) over 14 days. This marks a modest increase compared to April's 37 mm (1.5 in) but keeps pace with the June total, suggesting a consistently rainy early summer. The rain in May, though significant, remains lower than the peak months of January and December, which enjoy a more pronounced wetness. The frequency of precipitation days echoes the trend seen in March, supporting the idea that spring transitions into a wetter season in Heilbronn. As May progresses, the blend of milder temperatures and the increased likelihood of rain heralds the gradual move toward summer's warmth interspersed with refreshing showers.
May marks a noticeable shift in humidity levels in Heilbronn, Germany, as the average drops to 79%, making it one of the driest months of the year. This decrease continues the trend of decreasing humidity from the winter months, where figures lingered in the low 90s. As spring unfolds, conditions become more comfortable, providing a welcome respite before the humidity begins to rise again in June. This seasonal transition highlights the dynamic climate of Heilbronn, showcasing the region's ability to shift from the heavy, moisture-laden air of winter to a more refreshing atmosphere as summer approaches.
As spring gives way to summer in Heilbronn, May marks a significant increase in the UV Index, reaching an impressive 8, which falls into the very high exposure category. This dramatic shift from the previous months—where the index hovered around low to moderate levels—means that residents and visitors must take extra precautions to protect their skin, with a burn time of just 15 minutes. Following April's UV Index of 6, the transition highlights a trend of escalating sun intensity, setting the stage for sustained high levels through June and July. As outdoor activities ramp up, it’s crucial to stay informed about the UV Index to ensure safe sun exposure. For more details, visit Heilbronn UV Index.
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In May, Heilbronn basks in 383 hours of sunshine, marking a delightful peak in the spring season. This month not only showcases a steady increase from April's 346 hours, but it also sets the stage for the summer months ahead. The upward trend continues into June with 390 hours, closely trailing the May totals, while July reaches its zenith at 412 hours. As the sun shines brighter in the early summer, residents and visitors can relish the warmth, making May a pivotal month in Heilbronn's annual sunshine calendar. With the promise of more sunny days ahead, May captures the essence of a vibrant and blossoming landscape.
In Heilbronn, Germany, the likelihood of sunny weather reaches its peak in the spring months, with April boasting a 46% chance and May following closely at 30%. As the temperatures begin to warm, there’s a notable decline in sunny prospects compared to the previous month, highlighting a transition where the sunny days of April give way to May's variable weather. This slight dip continues into the summer, with June and July averaging 34% and 37%, respectively. Interestingly, while May may not bask in as many sun-filled days as its predecessor, it still serves as a bridge between the vibrant spring and the summer months ahead, inviting outdoor activities amid its capricious skies.
May marks a delightful transition in Heilbronn, Germany, as daylight extends to an impressive 15 hours, signaling the full embrace of spring. This increase from the previous month’s 13 hours not only brightens the days but also invites residents outdoors to enjoy the vibrant landscapes. Following a gradual ascent from just 8 hours in January, daylight duration reaches a peak in June with 16 hours before gradually tapering off in the summer months. As the year progresses, the daylight duration trends show a rhythmic ebb and flow, with shorter days returning by autumn, reminding us to savor every moment of this sun-filled season.
In May, Heilbronn experiences a notable uptick in wind speed, averaging 3.5 m/s (8 mph), which stands out against the calmer breezes of the preceding months. This increase marks a transition from the more still conditions of late winter and early spring, where winds averaged between 2.6 and 3.4 m/s. The heightened wind activity not only breathes life into the surrounding landscapes but also sets the stage for a dynamic late spring, hinting at the seasonal changes that lie ahead. Following May, the wind speeds take a dip in June, suggesting that the summer months may bring a more tranquil atmosphere compared to the bracing breezes of early spring.
The weather in Heilbronn 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 Heilbronn and find detailed weather information for every month.
In comparing the weather of May and January, one can observe notable differences in temperature and humidity. May boasts a wide temperature range, with minimums dipping to -1°C (30°F) and maximums reaching a warm 30°C (87°F), averaging around 14°C (57°F). In contrast, January is considerably colder, with temperatures ranging from a minimum of -13°C (8°F) to a maximum of 13°C (55°F), and an average of just 2°C (35°F). Additionally, while May experiences moderate precipitation (85 mm) over 14 days, January has a slightly lower total precipitation (80 mm) but over just 12 days, and it comes with higher humidity levels at 91%. For more details on January's weather, you can visit Heilbronn weather in January.
When comparing the weather in May to February, we see stark differences in temperature and conditions. May typically experiences much milder temperatures, with a minimum of -1°C (30°F), an average of 14°C (57°F), and a maximum reaching up to 30°C (87°F). In contrast, February is much colder, starting from a minimum of -12°C (12°F), averaging only 4°C (39°F), and peaking at 19°C (66°F). While May has higher precipitation levels at 85 mm (3.3 in) over 14 days, February follows closely with 74 mm (2.9 in) over 11 days, accompanied by slightly higher humidity in February at 89% compared to May's 79%. For more detailed insights, you can check out Heilbronn weather in February.
In comparing the weather between March and May, we see a significant transition as spring unfolds into early summer. March experiences colder temperatures with a minimum of -11°C (13°F) and an average of just 6°C (43°F), while May enjoys milder conditions with a minimum of -1°C (30°F) and an average of 14°C (57°F), peaking at a maximum of 30°C (87°F). Although both months see around 14 days of precipitation, March totals slightly higher at 91 mm (3.6 in) compared to May's 85 mm (3.3 in). Humidity levels also trend with the seasons, as March holds a slightly higher humidity at 87% versus May's 79%. For more detailed insights on March weather, you can check Heilbronn weather in March.
When comparing the weather in April and May, May tends to be milder and warmer overall. In April, temperatures range from a minimum of -4°C (26°F) to a maximum of 27°C (80°F), with an average of 10°C (50°F). In contrast, May sees a broader temperature range, with a minimum of -1°C (30°F) and a maximum of 30°C (87°F), averaging 14°C (57°F). Additionally, May experiences more rainfall, totaling 85 mm (3.3 in) over 14 days, while April has only 37 mm (1.5 in) across 9 days. This variation in humidity is also noticeable; April has a slightly higher humidity level at 83%, compared to May's 79%. For a more detailed look at conditions, check out Heilbronn weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (87°F), with an average of 14°C (57°F). The month sees about 85 mm (3.3 in) of precipitation over 14 days, coupled with a humidity level of 79%. In contrast, June offers more consistent warmth, with temperatures starting at a minimum of 7°C (44°F) and peaking at 34°C (94°F), averaging around 19°C (66°F). Although the total precipitation remains similar at 85 mm (3.4 in) over just 12 days, humidity increases slightly to 82%. For a closer look at the specifics, visit Heilbronn weather in June.
In May, temperatures range widely from a chilling minimum of -1°C (30°F) to a comfortable average of 14°C (57°F), peaking at a warm 30°C (87°F). This month experiences about 85 mm of precipitation over 14 days, contributing to a relatively high humidity of 79%. In contrast, July presents a warmer climate with minimum temperatures around 7°C (45°F) and a comfortable average of 20°C (68°F), reaching highs of up to 36°C (97°F). Although July sees slightly less rainfall at 67 mm spread over 12 days, humidity is slightly higher at 83%, creating a muggy summer atmosphere. For more specifics on July weather, check out Heilbronn weather in July.
In comparing the weather between May and August, May tends to have a wider temperature range, with minimums dropping to -1°C (30°F) and maximums reaching up to 30°C (87°F), while August’s temperatures are generally milder, with minimums of 6°C (43°F) and maximums reaching 35°C (95°F). Precipitation is slightly higher in May at 85 mm (3.3 in) over 14 days compared to August's 65 mm (2.6 in) over 13 days, which indicates that May experiences a bit more rainfall. Humidity levels remain fairly similar, with May at 79% and August slightly higher at 84%. For those interested in more specifics, you can learn about Heilbronn weather in August.
May and September present interesting contrasts in weather patterns. In May, temperatures can dip as low as -1°C (30°F) and soar to a warm 30°C (87°F), with an average temperature around 14°C (57°F). This month sees a higher precipitation level of 85 mm (3.3 in) over approximately 14 days, contributing to a humidity of 79%. Conversely, September features slightly milder temperatures, with a minimum of 3°C (38°F) and a maximum of 31°C (88°F), averaging 15°C (60°F). Rainfall decreases to 51 mm (2.0 in) over just 9 days, resulting in a slightly higher humidity of 85%. For more details on September weather, you can check Heilbronn weather in September.
May and October exhibit notable differences in their weather patterns. In May, temperatures typically range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (87°F), with an average of 14°C (57°F). The month experiences around 85 mm (3.3 in) of precipitation over approximately 14 days, and humidity levels hover around 79%. In contrast, October sees a more moderate temperature range, with a minimum of -1°C (31°F) and a maximum of 25°C (77°F), and an average temperature of 11°C (52°F). The precipitation levels are slightly lower at 75 mm (3.0 in) over 12 days, but humidity is higher at 88%. For more details, visit Heilbronn weather in October.
May and November present contrasting weather patterns, with May showcasing a wider temperature range, from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (87°F) and an average of 14°C (57°F). In contrast, November tends to be cooler, with temperatures ranging from -3°C (27°F) to a maximum of 21°C (71°F) and an average of only 5°C (42°F). While May experiences greater precipitation at 85 mm (3.3 in) over 14 days, November sees less rain, totaling 51 mm (2.0 in) over 9 days. Additionally, November's humidity level rises slightly to 89%, compared to 79% in May. For more insights on the weather trends in November, check out Heilbronn weather in November.
May and December showcase contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (87°F), averaging around 14°C (57°F). The month experiences moderate precipitation of 85 mm (3.3 in) over 14 days, with a humidity level of 79%. In contrast, December brings colder temperatures, with a minimum of -7°C (20°F) and a maximum of 14°C (57°F), resulting in an average of just 3°C (38°F). The month is also wetter, with 130 mm (5.1 in) of precipitation spread across 19 days and higher humidity at 91%. For more details, check out Heilbronn weather in December.
As May arrives in Heilbronn, a notable transition occurs in the weather, characterized by warmer temperatures and increased humidity compared to the cooler spring months. This period often features some of the year’s highest temperatures, enticing residents and visitors alike to enjoy outdoor activities. However, the month is also marked by a fair share of rainfall, with precipitation occurring on nearly half the days, adding a refreshing balance to the warm days. The blend of mild and cozy weather makes May an enchanting time to experience Heilbronn. For more insights, explore Heilbronn Climate.