Last updated: August 27, 2025
May in Chur, Switzerland, is a month of transition, with temperatures ranging from a brisk minimum of -11°C (13°F) to a pleasant maximum of 22°C (71°F). The average temperature hovers around 6°C (43°F), reflecting the changes that spring brings. Rainfall is quite notable, with 157 mm (6.2 in) of precipitation spread over 22 days, resulting in a humidity level of approximately 80%. This combination of mild temperatures and frequent rain contributes to the lush landscapes that define Chur in May, making it a prime time for nature enthusiasts and outdoor explorers.
In May, Chur, Switzerland begins to embrace the warmth of spring, with temperatures gradually rising after the long winter months. The minimum temperature hovers around -11°C (13°F), marking a noticeable increase from the chilling depths of earlier months, while the average settles at a comfortable 6°C (43°F). As the month progresses, the highs can reach a delightful 22°C (71°F), inviting locals and visitors to enjoy the blossoming landscapes and outdoor activities. This transition from the frosty depths of winter to the pleasant warmth of late spring showcases a vivid shift in the climate, characterizing May as a time of renewal and blooming vitality in the heart of the Swiss Alps.
May is a particularly rainy month in Chur, Switzerland, as it boasts the highest precipitation of the year at an impressive 157 mm (6.2 in), significantly surpassing the drier earlier months. With 22 days of rainfall, May sees almost three-quarters of the month touched by rain, transitioning from the spring thaw into the lush greenery of early summer. This uptick in precipitation not only indicates a shift in weather patterns but also sets the stage for the wetter summer months that lie ahead, with June and July also experiencing high rainfall but with fewer days of precipitation. Thus, while May may seem daunting to those seeking sunshine, it plays a crucial role in nourishing the stunning alpine landscapes that Chur is renowned for.
In Chur, Switzerland, the humidity in May stands at a comfortable 80%, marking a steady decline from the 92% in January. This gradual drop reflects the transition to warmer months, with humidity levels consistently decreasing from 84% in April. As spring blossoms into summer, May offers a refreshing balance, slightly higher than the upcoming June and August levels at 82% and 80% respectively. The trend illustrates a seasonal rhythm, where the crispness of May precedes the more humid summer months, inviting both locals and visitors to enjoy the mild climate before the year transitions back to the more humid conditions of autumn and winter.
As the sun rises higher in the sky, May in Chur, Switzerland ushers in an elevated UV Index of 9, categorizing it as very high. This marks a significant jump from earlier months, showcasing a clear trend towards increased solar intensity. With a burn time of just 15 minutes, it’s crucial for residents and visitors alike to stay vigilant about sun protection. Following May, the UV Index remains high, peaking at 10 in June and July before tapering slightly in August. As warm days approach, understanding these UV trends is essential to enjoying the outdoors safely. For detailed insights on UV exposure in Chur, visit Chur UV Index.
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May marks a delightful turning point in Chur, Switzerland, with 361 hours of sunshine that beckons nature lovers and outdoor enthusiasts alike. As spring unfolds, the days grow longer and brighter, building on the steady increase in sunlit hours from 348 in April to 386 in June. This vibrant month serves as a precursor to the summer peak in July, when the sun shines for an impressive 408 hours. In contrast, the year starts off with relatively low sunshine, beginning with a mere 173 hours in January and gradually ramping up. With its picturesque landscapes bathed in May's golden light, Chur becomes a captivating destination, inviting all to embrace the sunny splendor before the warmth of summer truly sets in.
May in Chur, Switzerland brings a 30% chance of sunny weather, indicating a moderate likelihood of clear skies as spring continues to unfold. While April's chances dip slightly to 37%, the trend shows a gradual increase in sun exposure from the depths of winter, where January sits at a mere 22%. Following May, June and July maintain similar probabilities of 34% and 30%, respectively, suggesting that while May may not be the sunniest month, it's an essential bridge leading into the warmer, brighter summer days ahead. This transitional period is perfect for enjoying the emerging beauty of nature, even if sunshine isn't guaranteed.
As spring blossoms into summer, Chur, Switzerland, witnesses a delightful increase in daylight duration. Starting from January’s modest 9 hours, the days gradually lengthen, reaching 15 hours by May—making it a perfect time for outdoor adventures and soaking up the sun. This trend continues into June and July, where daylight maintains a generous 15 hours, allowing residents and visitors ample opportunity to enjoy the region's stunning landscapes. However, as the year progresses, a gradual decline begins in August, heralding the approach of autumn with shorter days, ultimately dropping back to 9 hours by November. This rhythmic ebb and flow of daylight not only marks the changing seasons but also creates a beautiful tapestry for life in Chur throughout the year.
In May, Chur experiences a gentle breeze, with an average wind speed of 1.5 m/s (3 mph), maintaining a consistent flow characteristic of the spring months. This slight increase from April's 1.4 m/s indicates a subtle warming and refreshing quality to the air as the city fully embraces the bloom of spring. Notably, May sets the stage for a steady trend where wind speeds generally hover around this mark, reflecting a calm and tranquil atmosphere that complements the picturesque scenery. As the seasons transition, this mild wind pattern continues into June, further enhancing Chur's appeal as a serene haven amidst the majestic Swiss Alps.
Weather in Chur varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Chur, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, significant differences emerge. May boasts a more moderate temperature range, with minimums around -11°C (13°F) and maximums reaching up to 22°C (71°F), resulting in an average temperature of 6°C (43°F). In contrast, January experiences much colder conditions, with a minimum of -28°C (-19°F), an average of -8°C (18°F), and a maximum of only 6°C (43°F). Additionally, May sees higher precipitation levels, accumulating 157 mm (6.2 in) over 22 days, compared to January's 92 mm (3.6 in) over 11 days. Despite May's lower humidity, averaging 80%, January remains consistently humid at 92%. For more detailed insights into January weather, refer to Chur weather in January.
May and February present stark contrasts in weather. In May, temperatures begin to rise with a minimum of -11°C (13°F), averaging around 6°C (43°F), and peaking at a comfortable 22°C (71°F). The month experiences considerable precipitation at 157 mm (6.2 in) over 22 days, paired with a humidity level of 80%. In contrast, February is much colder, featuring a minimum of -25°C (-13°F) and an average temperature of -4°C (25°F), reaching a maximum of only 10°C (50°F). Precipitation is significantly lower at 66 mm (2.6 in) over 12 days, although the humidity remains relatively high at 89%. For more details on February weather, you can visit Chur weather in February.
In comparing the weather of May and March, we see a significant shift in temperatures and precipitation patterns. May boasts a milder temperature range with minimums of -11°C (13°F), average highs around 6°C (43°F), and maximums reaching 22°C (71°F), while March remains much colder, with temperatures dipping to a minimum of -25°C (-13°F) and averaging -2°C (29°F), peaking at only 12°C (54°F). Moreover, May experiences more precipitation, totaling 157 mm (6.2 in) over 22 days, compared to March's 95 mm (3.7 in) over 16 days. The humidity levels also differ slightly, with March having a higher humidity at 87% compared to May's 80%. For a detailed look at March's weather in Chur, you can visit Chur weather in March.
May generally offers milder and more varied weather compared to the colder conditions of April. The average temperature in May rises to 6°C (43°F), with a maximum of 22°C (71°F), while April sees a lower average of 2°C (36°F) and peaks at 16°C (61°F). Additionally, May experiences more precipitation, totaling 157 mm (6.2 in) over 22 days, compared to April's 93 mm (3.7 in) over just 14 days. Despite being wetter, May's higher temperatures and slightly lower humidity, which sits at 80% compared to April's 84%, make it feel more comfortable overall. For a detailed look, you can check Chur weather in April.
In comparing the weather between May and June, one can observe a notable warming trend. May sees temperatures ranging from a chilly minimum of -11°C (13°F) to a more pleasant average of 6°C (43°F) and a maximum of 22°C (71°F). In contrast, June begins with a milder minimum of -2°C (29°F), an average of 11°C (53°F), and peaks at a warm 27°C (81°F). Both months experience considerable precipitation, with May receiving 157 mm (6.2 in) over 22 days and June slightly lower at 148 mm (5.8 in) across 19 days. Humidity remains relatively consistent, hovering at 80% in May and increasing slightly to 82% in June. For more details on the weather specific to June, you can check Chur weather in June.
May and July exhibit distinct weather patterns, characterized by varying temperatures and precipitation levels. In May, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant maximum of 22°C (71°F), with an average of 6°C (43°F). The month records a significant amount of precipitation at 157 mm (6.2 in) over 22 days, while humidity remains high at 80%.
In contrast, July offers milder temperatures, with a minimum of 3°C (37°F), an average of 12°C (54°F), and a maximum of 26°C (79°F). Precipitation is slightly lower, totaling 148 mm (5.8 in) across 20 days, but humidity increases to 83%. For more insights on this month, you can explore Chur weather in July.
May and August present distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant maximum of 22°C (71°F), with an average of 6°C (43°F). This month experiences significant precipitation, totaling 157 mm (6.2 in) over 22 days, alongside high humidity levels at 80%. In contrast, August sees warmer temperatures, with a minimum of 0°C (33°F) and a maximum of 24°C (76°F), averaging 12°C (54°F). However, it has even higher precipitation, with 201 mm (7.9 in) falling over 19 days, while maintaining similar humidity levels at 80%. For more details about the weather conditions in August, check out Chur weather in August.
May and September exhibit notable differences in weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a minimum of -11°C (13°F) to an average of 6°C (43°F), peaking at 22°C (71°F), accompanied by considerable precipitation of 157 mm (6.2 in) over 22 days, and a humidity level of 80%. In contrast, September features slightly milder conditions, with temperatures ranging from -10°C (15°F) to an average of 8°C (47°F), and a maximum of 21°C (70°F). Rainfall decreases to 136 mm (5.3 in) over 15 days, with humidity rising to 83%. For more details on the weather in September, you can check Chur weather in September.
May and October exhibit distinct weather patterns that highlight the transition from spring to autumn. In May, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant maximum of 22°C (71°F), with an average temperature of 6°C (43°F). This month experiences considerable precipitation, totaling 157 mm (6.2 in) over approximately 22 days, accompanied by a humidity level of 80%.
In contrast, October features milder temperatures, with a minimum of -8°C (17°F) and a maximum of 17°C (62°F), averaging around 4°C (40°F). While precipitation is slightly lower at 142 mm (5.6 in) spread over only 12 days, humidity rises to 90%, contributing to a damp atmosphere. For more detailed insights into October weather specifically, check out Chur weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a chilly minimum of -11°C (13°F) to a pleasant maximum of 22°C (71°F), averaging around 6°C (43°F). This month sees a significant amount of precipitation, totaling 157 mm (6.2 in) over 22 days, while humidity hovers at 80%. In stark contrast, November experiences much colder temperatures, with a minimum of -19°C (-2°F) and a maximum of only 13°C (56°F), yielding an average temperature of -2°C (29°F). Precipitation decreases to 104 mm (4.1 in) over just 13 days, accompanied by higher humidity at 88%. For a more detailed look at November's climate, you can refer to Chur weather in November.
May and December present starkly contrasting weather conditions. In May, temperatures can range from a chilly -11°C (13°F) to a pleasant 22°C (71°F), with an average of 6°C (43°F). The month sees 157 mm (6.2 in) of precipitation spread over 22 days and a moderate humidity level of 80%. In contrast, December experiences far colder temperatures, with a minimum of -26°C (-15°F) and a maximum of only 6°C (42°F), averaging around -6°C (21°F). Precipitation is slightly less at 130 mm (5.1 in) across 17 days, and humidity rises to a higher 90%. For more detailed insights, you can refer to Chur weather in December.
As May arrives in Chur, the weather marks a distinct transition from the colder months, with a notable rise in temperatures and an influx of humidity. While the average temperature hovers around a mild 6°C, maximums can reach up to a pleasant 22°C, offering a refreshing change after the winter chill. However, it’s essential to be prepared for frequent rainfall, as May experiences a significant number of precipitation days. With a humidity level of 80%, the atmosphere feels lush and vibrant, setting the stage for budding nature. For a deeper dive into Chur's climate patterns, check out Chur Climate.