Last updated: August 27, 2025
May in Dornach, Switzerland is a month of contrasts, where temperatures can soar to a pleasant 30°C (87°F) during sunny spells, while the average hovers around a cool 13°C (56°F). With a minimum dip to 0°C (32°F), it's wise to dress in layers. Rain is a frequent visitor this month, as 133 mm (5.2 in) of precipitation falls over 17 days, contributing to the lush greenery that characterizes the region. The air is often heavy with an average humidity of 80%, creating a vibrant yet moist atmosphere. Whether basking in the warmth or embracing the refreshing rain, May in Dornach offers a unique blend of Swiss spring charm.
In May, Dornach, Switzerland begins to blossom with the promise of warmer days, showcasing a delightful temperature range that heralds the arrival of spring. With minimum temperatures rising to a comfortable 0°C (32°F) and maximums reaching an inviting 30°C (87°F), this month is marked by an average of 13°C (56°F), a significant increase from the cooler months preceding it. The transition from April's brisk air is palpable, as people eagerly shed their winter garments in favor of lighter attire. As May unfolds, the city comes alive with outdoor activities, allowing residents and visitors alike to enjoy the invigorating warmth and magnificent scenery that the Swiss landscape offers.
In Dornach, Switzerland, May ushers in a remarkable shift in precipitation patterns, standing out with 133 mm (5.2 in) of rainfall across 17 days. This surge marks a significant increase from the relatively dry April, which saw only 62 mm (2.4 in) over just 10 days. As spring progresses, the frequency and intensity of rain become more pronounced, contributing to lush greenery and floral blooms. This trend continues into June, which also experiences substantial rainfall at 125 mm (4.9 in), hinting at a pattern of wetter conditions during this season. The increase in both precipitation amount and the number of rainy days in May indicates a transition into the wetter months of the year, supporting a vibrant ecosystem that thrives in these conditions.
As spring transitions into summer in Dornach, Switzerland, May brings a noticeable shift in humidity levels, dropping to a comfortable 80%. This marks a continued decline from the wetter months of January through April, where humidity levels hover above 84%. After the moist chill of winter, which reaches a peak of 91% in January, the milder weather encourages a gradual drying trend. Following May, humidity slightly rises again in June and July, settling at 82%, but the 80% in May provides a refreshing respite, perfect for outdoor activities amidst the blooming greenery. This dynamic humidity pattern enhances the region's enchanting charm, inviting both residents and visitors to enjoy the beauty of spring.
As May arrives in Dornach, Switzerland, the UV Index reaches a striking 8, signaling a shift to very high levels of sun exposure. This marks a notable increase from April's 6, where residents and visitors enjoyed a high exposure category but could safely bask in the sun for about 25 minutes. However, with May’s reduced burn time of just 15 minutes, it’s crucial for everyone to take precautions. This trend of intensifying UV levels continues into June and July, when the Index peaks at 9. As the season progresses, both awareness and protection are essential to enjoy the abundant sunshine safely. For detailed insights into UV exposure patterns throughout the year, visit Dornach UV Index.
UV Risk Categories
May in Dornach, Switzerland, brings a delightful surgence of sunshine, basking in 361 hours of radiant light. As spring unfolds, the region transitions from the calm of winter, where January recorded only 136 hours, to vibrant days filled with warmth and energy. The increasing hours of sunlight are palpable; with April's 353 hours, May marks a turning point, paving the way for even sunnier months ahead. June and July continue this trend, peaking at 389 and 413 hours respectively. This blossoming atmosphere invites both locals and visitors to revel in the natural beauty of Dornach, showcasing the charm of life beneath the Swiss sun.
In Dornach, Switzerland, the weather in May tends to be a mixed bag when it comes to sunshine, with a 33% chance of sunny days. This marks a notable dip compared to the brighter months of April, where the likelihood of sunshine peaks at 52%. Remarkably, as spring unfolds, there’s a clear upward trend in sun exposure from January's 17% to April, but May sees a slight decline that continues into the summer months of June and July. This suggests that while May can bring some delightful sunny moments, it's prudent to prepare for a bit of variability before the warmer months fully set in. The overall pattern reveals a gradual transition towards more sun-soaked days, yet May holds onto its share of cloud cover, making it an unpredictable month in the region.
In Dornach, Switzerland, the daylight duration experiences a remarkable transformation as the year progresses. Starting in January with a modest 8 hours, the days gradually lengthen, reaching 10 hours in February and 11 hours by March. The real shift occurs in April, where daylight extends to 13 hours, hinting at the warmth of spring. By May, the days bask in a generous 15 hours of sunlight, a perfect prelude to the summer months ahead, where daylight remains consistently robust at 15 hours through June and July. As summer wanes, daylight begins to taper off—falling to 14 hours in August, then diminishing to 12 hours by September. A subtle reminder of the impending winter appears in October and November, where daylight retreats to 10 and 9 hours respectively, before settling once again at 8 hours in December. This rhythmic dance of daylight not only illuminates the changing seasons but also underscores the vibrant progression of nature throughout the year in Dornach.
In May, Dornach experiences a subtle uptick in average wind speed, reaching 2.8 m/s (6 mph), which distinguishes it from the calmer winds of the preceding months. This gentle increase reflects a seasonal shift, as spring gives way to the vibrant energies of summer. Notably, the month of May stands out compared to the lower winds of April, which averaged just 2.3 m/s (5 mph). Following May, wind speeds dip again into the summer months, with June and July recording the year's lowest averages at 1.8 m/s (4 mph) and 2.0 m/s (4 mph), respectively. This trend suggests that while May offers a refreshing breeze, the summer settles into a more tranquil atmosphere, perfect for enjoying the lush landscapes of Dornach.
Weather in Dornach varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dornach, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present distinctly different weather patterns. In May, temperatures range from a chilly 0°C (32°F) to a warm 30°C (87°F), with an average of 13°C (56°F). This month also experiences higher precipitation, totaling 133 mm (5.2 in) over 17 days, accompanied by a humidity level of 80%. In contrast, January is significantly colder, with temperatures varying from a minimum of -13°C (8°F) to a maximum of 16°C (61°F) and an average temperature of just 1°C (35°F). This month sees less rainfall, with 94 mm (3.7 in) occurring over 12 days, and humidity slightly higher at 91%. For more details about January weather, check out Dornach weather in January.
May typically brings much warmer and more variable weather compared to February. With temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (87°F), May enjoys an average temperature of 13°C (56°F), marking a significant increase in warmth. In contrast, February experiences colder conditions with temperatures fluctuating between -14°C (7°F) and 18°C (65°F) and an average of just 4°C (39°F).
Additionally, May sees higher precipitation levels at 133 mm (5.2 in) over 17 days, while February has lower totals of 77 mm (3.0 in) across 12 days. The humidity is also slightly lower in May at 80%, compared to February's higher 89%. For more detailed information, you can check out Dornach weather in February.
In comparing the weather between March and May, it's clear that May experiences a significant increase in warmth, with average temperatures rising from 6°C (43°F) in March to 13°C (56°F) in May. The temperatures in May can reach a maximum of 30°C (87°F), while in March, they peak at 21°C (71°F). Additionally, May is wetter, with 133 mm (5.2 in) of precipitation over 17 days compared to March's 91 mm (3.6 in) over 15 days. Humidity levels are slightly lower in May at 80%, compared to March's higher 87%. For a closer look at March's specific weather conditions, check out Dornach weather in March.
In comparing the weather between April and May, notable differences emerge. April experiences a wider temperature range, with a minimum of -4°C (25°F) and a maximum of 26°C (79°F), leading to an average temperature of 10°C (50°F). Conversely, May sees significantly warmer temperatures, with a minimum of 0°C (32°F), an average of 13°C (56°F), and a maximum of 30°C (87°F). Precipitation is higher in May, totaling 133 mm (5.2 in) over 17 days, compared to April's 62 mm (2.4 in) across 10 days. Additionally, while humidity levels are slightly lower in May at 80%, April's humidity stands at 84%. For more details about April weather specifically, you can visit Dornach weather in April.
May and June display a distinct progression in weather conditions. May experiences a wide temperature range, with minimums dropping to 0°C (32°F) and maximums reaching up to 30°C (87°F), while the average temperature hovers around 13°C (56°F). The month is characterized by relatively high precipitation, totaling 133 mm (5.2 in) over 17 days, and humidity levels remain elevated at 80%.
In contrast, June brings warmer temperatures, with minimums at 5°C (42°F) and maximums soaring to 34°C (94°F). The average temperature rises significantly to 19°C (66°F). Although precipitation decreases slightly to 125 mm (4.9 in) over 16 days, humidity remains comparable at 82%. This shift from May to June marks a transition to warmer, albeit slightly wetter, conditions. For a closer look at June weather specifics, visit Dornach weather in June.
In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average of 13°C (56°F). The month is relatively wet, with 133 mm (5.2 in) of precipitation spread over 17 days and high humidity levels at 80%. In contrast, July offers a milder temperature spectrum, with minimums around 8°C (47°F) and maximums peaking at 37°C (98°F), averaging 20°C (68°F). While July has slightly less precipitation at 117 mm (4.6 in) over 14 days, humidity remains high at 82%. For a detailed look at July weather, check out Dornach weather in July.
May and August present notable differences in weather patterns. In May, temperatures can dip as low as 0°C (32°F) and reach a comfortable average of 13°C (56°F), with maximum highs soaring to 30°C (87°F). The month experiences significant rainfall, totaling 133 mm (5.2 in) over 17 days, contributing to an average humidity of 80%. In contrast, August offers warmer temperatures, with a minimum of 6°C (43°F) and an average of 20°C (68°F), peaking at 35°C (95°F). Precipitation is slightly lower at 115 mm (4.5 in) over 15 days, and humidity decreases to 77%. For more details on August weather specifics, visit Dornach weather in August.
May and September present contrasting weather experiences, though they share some similarities. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average of 13°C (56°F). This month sees significant precipitation, with 133 mm (5.2 in) falling over 17 days, contributing to a humid atmosphere at 80%. In contrast, September experiences milder temperatures, with a minimum of 1°C (35°F), an average of 16°C (60°F), and a maximum of 30°C (86°F). Precipitation is notably lower at 67 mm (2.6 in) over 10 days, while humidity remains high at 81%. The transition from May's wetter conditions to September's drier weather creates a shift in the overall feel of the seasons. For more details on September weather in Dornach, you can visit Dornach weather in September.
May and October present contrasting weather patterns, highlighting the transition between spring and autumn. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average of 13°C (56°F). The month experiences significant rainfall, totaling 133 mm (5.2 in) over 17 days, and humidity levels are relatively high at 80%. In comparison, October sees cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 24°C (76°F), averaging around 11°C (51°F). Although it has less rainfall at 92 mm (3.6 in) over 14 days, humidity increases slightly to 89%. This shift in weather from May to October highlights the gradual cooling and increasing moisture typical of autumn. For more details on weather trends, check out Dornach weather in October.
May and November present contrasting weather patterns, as May typically sees warmer temperatures ranging from a minimum of 0°C (32°F) to a maximum of 30°C (87°F), with an average of 13°C (56°F). This month is characterized by higher precipitation, totaling 133 mm (5.2 in) across about 17 days, and a humidity level of 80%. In contrast, November experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 5°C (41°F), peaking at 21°C (70°F). While it is drier than May, November still receives 79 mm (3.1 in) of precipitation over 13 days, accompanied by slightly higher humidity at 89%. For more detailed insights into November weather, check out Dornach weather in November.
May and December present contrasting weather experiences. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 30°C (87°F), with an average of 13°C (56°F). The month sees around 133 mm (5.2 in) of precipitation over approximately 17 days, accompanied by a humidity level of 80%. In contrast, December temperatures drop significantly, with a minimum of -5°C (23°F) and a maximum of 14°C (57°F), averaging only 3°C (38°F). Precipitation is similar, at 129 mm (5.1 in), but occurs over 19 days. The humidity is also higher in December, reaching 91%. For more details on December weather, check out Dornach weather in December.
As May unfolds in Dornach, it brings a delightful shift in weather compared to the cooler months preceding it. With temperatures rising to a pleasant maximum of 30°C, the month welcomes warmth that contrasts sharply with the more frigid beginnings of the year. However, this increase in warmth is accompanied by a notable amount of humidity and consistent rainfall, making it one of the wetter months with precipitation occurring on 17 days. This dynamic blend of conditions ensures that May is not only a time for blooming nature but also a month where residents prepare for the occasional downpour. For a deeper understanding of how Dornach’s weather patterns evolve, explore Dornach Climate.