Last updated: August 27, 2025
May in Lugano, Switzerland is a month of blossoming beauty and varying weather conditions. With maximum temperatures reaching a pleasant 28°C (83°F), the average hovers around 15°C (59°F), offering comfortable days for outdoor exploration. However, it's wise to be prepared for cooler evenings where temperatures can dip to a brisk 2°C (36°F). Rainfall is not uncommon, as the region experiences around 173 mm (6.8 in) of precipitation over 17 days, contributing to the lush greenery that embodies Lugano's charm. Humidity levels sit at a moderate 74%, enhancing the fresh, invigorating atmosphere of this picturesque lakeside city.
In Lugano, Switzerland, the month of May marks a delightful transition into warmer weather, with temperatures steadily rising after the chill of winter. The month starts with a comfortable minimum of 2°C (36°F), while average temperatures soar to a pleasant 15°C (59°F) and daytime highs can reach an inviting 28°C (83°F). This notable warmth signifies a significant departure from the colder months, creating an ideal atmosphere for enjoying Lugano’s stunning landscapes. As the city transforms under the brilliant May sun, it invites both locals and visitors to revel in outdoor activities, from leisurely strolls along the lakeside to exploring its lush parks, making it one of the most delightful months to experience this enchanting Swiss destination.
In May, Lugano experiences a significant uptick in precipitation, with 173 mm (6.8 in) of rain falling over 17 days. This marked increase from the preceding months highlights a clear trend of rising springtime rainfall, peaking after April's 140 mm (5.5 in). As the region transitions toward summer, the lush landscapes of Lugano are nourished by these showers, contributing to the vibrant greenery that defines the Swiss lakeside in late spring. With an average of over half the month experiencing rain, May’s weather is a reminder of nature’s refreshing vitality in this picturesque alpine locale.
In Lugano, Switzerland, May brings a notable shift in humidity levels as the spring season transitions into summer. With an average humidity of 74%, May shows a decrease compared to the wetter months of winter and early spring. The drop from 77% in April suggests that the air is gradually becoming drier as temperatures rise, setting the stage for sunnier days ahead. This trend continues into June, where humidity further declines to 71%. Such conditions make May a delightful month, offering a balance of comfortable warmth and fresh air, ideal for outdoor activities amidst the breathtaking Swiss landscape.
As May rolls in Lugano, Switzerland, the UV Index spikes to an impressive 8, marking it as a month of very high exposure. This significant increase from the preceding months, where the UV Index climbed steadily from a low of 2 in January to 6 in March and April, draws attention to the importance of sun safety. With a burn time reduced to just 15 minutes, it's crucial for residents and visitors to be proactive about sun protection. Following May, the UV Index remains high, peaking at 9 in June and July, before tapering off in August. This trend underscores the need for vigilance during the sunnier months in Lugano, making it essential to stay informed about local UV conditions. For more insights, check out the Lugano UV Index.
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May in Lugano, Switzerland, shines brightly with 378 hours of sunshine, marking a delightful peak in the spring season. This month stands out against the backdrop of gradually increasing daylight, as the hours of sunshine steadily rise from 187 hours in January to 339 hours in April. The ascent continues into the summer months, where June reaches an impressive 404 hours, hinting at the vibrant energy Lugano exudes as it transitions into summer. With each passing month, the growing sunlight invigorates the landscape, inviting residents and visitors alike to bask in the warmth and beauty of this picturesque lakeside town.
In Lugano, Switzerland, the likelihood of sunny weather in May stands at 43%, reflecting a moderate chance of sunshine as spring transitions into early summer. Observing the monthly trends, May experiences a slight dip compared to March's peak of 62%, yet remains consistent with April's 46%. Following the warmer months, sunshine probability increases, hitting a high of 53% in August. This data suggests that while May may not guarantee sun-filled days, it certainly offers a hopeful outlook as residents and visitors alike can look forward to enjoyable early summer afternoons amidst Lugano's stunning landscapes.
As spring blossoms into summer, Lugano, Switzerland experiences an uplifting increase in daylight duration, reaching a delightful 14 hours in May. This progressive illumination begins in January with a modest 9 hours, gradually extending through the months—10 hours in February, 11 hours in March, and 13 hours in April. By the time May arrives, residents and visitors alike can bask in the abundance of natural light, setting the stage for longer, sun-kissed days ahead. June and July peak at an impressive 15 hours of daylight, before tapering off in the late summer and autumn months. The gradual transition from the winter months, characterized by shorter days, to the vibrant, light-filled days of May reflects the enchanting rhythm of the seasons in this picturesque Swiss locale.
In May, Lugano, Switzerland enjoys a gentle breeze, with average wind speeds consistently at 1.5 m/s (3 mph), mirroring the calm conditions of both March and April. This mildness serves as a gentle prelude to the warm summer months ahead, as wind speeds slightly taper off into June. Interestingly, the trends reveal a gradual increase towards the end of the year, with December peaking at 1.7 m/s (4 mph). Overall, the winds in May perfectly complement the region's picturesque scenery, providing just the right amount of freshness to enhance the beauty of this lakeside gem.
Weather in Lugano varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Lugano, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May is significantly milder and warmer compared to January. With average temperatures ranging from a chilly 2°C (36°F) to a pleasant high of 28°C (83°F), May experiences more than double the precipitation of January, totaling 173 mm (6.8 in) over 17 days. In contrast, January's temperatures are much cooler, averaging only 3°C (37°F), with a maximum of 13°C (56°F) and a minimum of -7°C (20°F). January also sees much less precipitation, with only 47 mm (1.9 in) falling over just 7 days, despite its higher humidity level of 88%. For more details on January conditions, check out Lugano weather in January.
In comparing the weather of May and February, it's clear that May experiences significantly milder temperatures, with a minimum of 2°C, an average of 15°C, and a maximum reaching up to 28°C. Contrasted with February, which sees much colder temperatures ranging from a minimum of -13°C to a maximum of 19°C, May is undeniably warmer and more inviting. Additionally, May receives considerably more precipitation, with 173 mm over 17 days, compared to February's 47 mm over just 8 days. Humidity levels are slightly lower in May at 74%, whereas February tends to be more humid at 81%. For a more detailed look at February weather, you can check Lugano weather in February.
When comparing the weather in March and May, it's clear that May experiences significantly warmer temperatures, with an average of 15°C (59°F) compared to March's 7°C (45°F). In May, temperatures can reach a maximum of 28°C (83°F), while March peaks at 21°C (70°F). However, May also sees more precipitation, with 173 mm (6.8 in) falling over 17 days, compared to March’s 94 mm (3.7 in) over 11 days. Interestingly, the humidity levels are quite similar, with May at 74% and March slightly higher at 76%. For a closer look at March's climate details, you can explore Lugano weather in March.
May generally presents milder and more varied weather compared to April. While April experiences cooler temperatures, with a minimum of -1°C (30°F) and an average of 11°C (52°F), May sees a significant rise, featuring a minimum of 2°C (36°F) and an average of 15°C (59°F). The maximum temperatures also increase, reaching up to 28°C (83°F) in May versus 24°C (75°F) in April. Additionally, May is characterized by higher precipitation, totaling 173 mm (6.8 in) over 17 days, compared to April's 140 mm (5.5 in) over just 11 days. Notably, humidity remains slightly lower in May at 74%, compared to 77% in April. For more details on April weather, visit Lugano weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a chilly minimum of 2°C (36°F) to a pleasant average of 15°C (59°F), with highs reaching up to 28°C (83°F). During this month, precipitation totals 173 mm (6.8 in) over 17 days, accompanied by a humidity level of 74%. Conversely, June brings warmer temperatures, with a minimum of 9°C (49°F) and an average of 19°C (67°F), peaking at 35°C (95°F). Despite experiencing higher precipitation of 196 mm (7.7 in), June has slightly fewer rainy days at 15 and maintains a lower humidity level of 71%. For more detailed insights, check out Lugano weather in June.
In comparing the weather between May and July, it is evident that July offers warmer temperatures across the board. While May sees a minimum temperature of 2°C (36°F) and an average of 15°C (59°F), July starts at a milder minimum of 11°C (52°F) and reaches an average of 21°C (70°F). The maximum temperature also rises significantly, with July reaching up to 31°C (88°F) compared to May's peak of 28°C (83°F).
Precipitation levels are relatively similar, with May experiencing slightly more rainfall at 173 mm (6.8 in) over 17 days, while July has 167 mm (6.6 in) spread over 16 days. Additionally, July tends to be less humid, with an average humidity of 67%, compared to May's 74%. For more detailed insights on July weather, you can check Lugano weather in July.
In May, temperatures range from a chilly minimum of 2°C (36°F) to a comfortable maximum of 28°C (83°F), with an average of 15°C (59°F). The month sees considerable rainfall, totaling 173 mm (6.8 in) over 17 days, accompanied by a high humidity of 74%. In contrast, August brings warmer weather with min temperatures of 12°C (53°F) and max temperatures reaching 31°C (88°F), averaging 21°C (70°F). Although August experiences similar precipitation at 174 mm (6.9 in), it occurs over just 13 days, and the humidity is lower at 64%. The weather in August can be much different in feel compared to May, making it an ideal time for outdoor activities. For more details, visit Lugano weather in August.
May and September present distinct weather patterns, with May experiencing a wider temperature range. In May, temperatures can drop to a chilly 2°C (36°F) at night but can rise to a warm 28°C (83°F) during the day, averaging around 15°C (59°F). Conversely, September sees milder temperatures with a minimum of 4°C (39°F) and a maximum of 26°C (80°F), averaging 17°C (63°F). While May has higher precipitation levels at 173 mm (6.8 in) spread over 17 days, September is comparatively drier with 141 mm (5.5 in) over just 12 days. Interestingly, humidity levels remain consistent between the two months at 74%. For a more detailed look at September weather, check out Lugano weather in September.
May generally features warmer temperatures compared to October, with average highs reaching 28°C (83°F) and lows dipping to around 2°C (36°F), while October sees an average maximum of 24°C (75°F) and a minimum of 3°C (38°F). However, October tends to have higher humidity at 87%, compared to May's 74%. Precipitation is also greater in October, with about 206 mm (8.1 in) over 9 days, compared to May's 173 mm (6.8 in) over 17 days. For more detailed information, you can check out this link: Lugano weather in October.
May and November present strikingly different weather characteristics. In May, temperatures range from a minimum of 2°C (36°F) to a warm maximum of 28°C (83°F), with an average of 15°C (59°F). It is relatively humid, with a humidity level of 74% and about 173 mm (6.8 in) of precipitation spread over 17 days. In contrast, November sees cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (62°F), averaging around 8°C (46°F). While November has a similar amount of precipitation at 174 mm (6.9 in), it comes over just 12 days, resulting in a notably higher humidity level of 88%. For more details, you can check this link: Lugano weather in November.
May and December present contrasting weather patterns. May boasts a mild average temperature of 15°C (59°F) and experiences highs of up to 28°C (83°F), making it a warm and vibrant month. In contrast, December sees much colder conditions, with average temperatures around 3°C (39°F) and lows plummeting to -8°C (17°F). The precipitation levels are higher in May, with 173 mm (6.8 in) falling over 17 days compared to December's 104 mm (4.1 in) over just 9 days. Additionally, December tends to be more humid, reaching up to 85%, while May's humidity sits at 74%. For a closer look at December conditions, check out Lugano weather in December.
In May, Lugano begins to embrace the warmth of spring, transitioning from the cooler chill of earlier months. With a maximum temperature often reaching around 28°C (83°F), residents and visitors alike can enjoy more pleasant outdoor activities. However, the month is also characterized by a noticeable level of precipitation, averaging 173 mm over 17 days, which adds a refreshing touch to the lush landscapes. The overall humidity of 74% creates a vibrant atmosphere, setting Lugano apart from the drier summer months to come. To learn more about what to expect throughout the year, explore Lugano Climate.