Last updated: August 27, 2025
In Ascona, Switzerland, May ushers in a delightful mix of mild weather, featuring a maximum temperature of 25°C (77°F) and an average temperature around 11°C (51°F). While the month can experience cooler nights, with minimums dropping to -7°C (21°F), May is characterized by a notable humidity level of 80%, creating a refreshing atmosphere. The region sees 176 mm (6.9 in) of precipitation over 19 days, making it a time for lush greenery and vibrant landscapes. Visitors can expect a beautiful, if somewhat damp, spring experience in this picturesque locale.
In May, Ascona experiences a delightful transition into warmer weather, with temperatures ranging from a minimum of -7°C (21°F) to a pleasant 25°C (77°F). This month's average temperature of 11°C (51°F) signals the arrival of spring, inviting visitors to enjoy the picturesque surroundings. The notable increase in warmth from the cooler months of January through April sets the stage for blooming landscapes and outdoor activities. Compared to the preceding months, where temperatures struggled to climb above freezing, May's mild climate presents a refreshing change, making it an ideal time to explore Ascona's charming streets and scenic lakeside views.
In May, Ascona experiences a notable increase in precipitation, with rainfall reaching 176 mm (6.9 in) over the month, making it the wettest in the year thus far. This significant spike is accompanied by an increase in rainy days, totaling 19, which suggests a transition into the lush vitality of spring. Compared to April’s 136 mm (5.3 in), May not only brings more rain but also marks a period where nature bursts into life, transforming the landscape. As the days grow longer and warmer, the frequent showers contribute to the vibrant green surroundings, setting a picturesque backdrop for both locals and visitors alike. This trend of elevated precipitation continues into early summer, highlighting May as a bridge into the wetter months ahead.
As spring unfolds in Ascona, Switzerland, May brings a refreshing dip in humidity, settling at 80%. This marks a notable decline from the higher levels experienced in the earlier months, such as 92% in January and 89% in February. The trend continues through April, where humidity is at 84%, paving the way for more comfortable conditions as the summer approaches. As we transition into June and July, humidity slightly increases again to 82% and 83% respectively, creating a balance between comfort and the warmth of the season. This gentle ebb and flow of moisture hints at the unique climatic characteristics of Ascona, where the effects of seasonal change are distinctly felt.
In May, Ascona experiences a notable surge in UV intensity, with the UV Index peaking at 9, categorizing it within the very high exposure range. This trend marks a continuation from April's 8, indicating that sun protection is increasingly essential as summer approaches. With a burn time of just 15 minutes, both locals and visitors alike must remain vigilant to avoid skin damage. As the sun's rays grow stronger heading into the summer months, it's crucial to stay informed about the UV Index, especially as June maintains the same high levels with a UV Index of 10. For more detailed information on UV levels throughout the year, check out Ascona UV Index.
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As spring unfolds, May shines brightly in Ascona, Switzerland, boasting 350 hours of glorious sunshine. This represents a delightful peak in the region's increasing daylight, following a steady climb from the 174 hours in January. As the months progress, each one seems to add more brightness, with April already showing a promising 330 hours. The vibrant atmosphere in May marks a clear transition into the sunny season, leading into an even sunnier June, which is on track to reach a splendid 379 hours. In the tapestry of Ascona’s annual weather, May serves as a joyful crescendo, inviting visitors to soak in the warmth and beauty that heralds the delightful summer ahead.
In Ascona, Switzerland, May brings a 38% chance of sunny weather, which marks a slight decline from the sunnier months of March (58%) and a dip from April (46%). This pattern signals a transitional phase as spring edges into early summer, where sunny days begin to compete with clouds. Following the bright spells of March, locals and visitors might feel a little disappointment as they experience fewer sunlit hours in May compared to the previous month. However, the promise of sunnier days looms in the distance, with August hitting a favorable 50%. As the region prepares for the vibrant summer, May’s moderate sunshine remains a beautiful backdrop for enjoying the lush landscapes and activities that Ascona has to offer.
In Ascona, Switzerland, the progression of daylight throughout the year reveals a beautiful rhythm of nature. As winter fades, January and February offer just 9 to 10 hours of daylight, gradually increasing as spring approaches. March welcomes 11 hours, setting the stage for a vibrant April, which sees a jump to 13 hours. By May, the days stretch to a delightful 14 hours, inviting residents and visitors alike to revel in the lush landscapes and lively outdoor activities. As summer peaks in June and July with a maximum of 15 hours, the long, sunlit days are perfect for exploring the stunning surroundings. However, as autumn approaches, daylight begins to wane, transitioning smoothly into 14 hours in August and tapering down to 12 hours in September. This gentle decline continues through the fall months, reminding all of the cyclical nature of light, culminating in 8 hours of daylight come December. The variation in daylight not only enhances the charm of each season but also enriches the experience of living in this idyllic Swiss town.
In the delightful month of May, Ascona, Switzerland experiences a gentle breeze, with an average wind speed of 1.4 m/s (3 mph). This slightly stable wind pattern follows a trend observed from January to April, where speeds remained relatively low, making for pleasant outdoor activities without the disruption of strong gusts. Interestingly, as the year progresses toward summer, the wind picks up a tad, with May's speed matching that of March and April, suggesting a consistent calmness in the air that is ideal for enjoying the beautiful lakeside views. As spring gives way to summer, the wind remains soft, setting the stage for tranquil days filled with sunshine and the blossoming beauty of nature.
Weather in Ascona varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ascona, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing May and January weather, it's clear these months offer contrasting climates. May typically sees milder temperatures, ranging from a minimum of -7°C (21°F) to a maximum of 25°C (77°F), with an average temperature of 11°C (51°F). In contrast, January is much colder, with temperatures dipping as low as -16°C (4°F) and reaching a maximum of just 9°C (49°F), averaging -2°C (29°F). May also experiences significantly more precipitation, with 176 mm (6.9 in) over 19 days, while January has a much lighter total of 71 mm (2.8 in) spread over just 10 days. The humidity levels are high in both months, at 80% in May and 92% in January, contributing to the dampness often felt during the winter. For more information, visit Ascona weather in January.
In comparing the weather between February and May, it's clear that May boasts significantly milder temperatures, with an average of 11°C (51°F) compared to February's chilly average of 1°C (34°F). February experiences harsher conditions, including a minimum temperature plunging to -17°C (2°F), while May's lowest is a relatively mild -7°C (21°F). Additionally, May sees more precipitation at 176 mm (6.9 in) over 19 days, compared to February's 56 mm (2.2 in) over just 11 days. Despite the higher moisture levels in May, February has a slightly higher humidity at 89%. For a detailed look at Ascona's weather in February, check out Ascona weather in February.
In comparing the weather between March and May, it's clear that May brings significantly warmer temperatures. While March experiences a chilling minimum of -17°C (3°F) and an average of just 3°C (37°F), May boasts a minimum of -7°C (21°F) and an average of 11°C (51°F), with a high reaching 25°C (77°F). Precipitation is also notably higher in May, with 176 mm (6.9 in) falling over 19 days compared to March's 106 mm (4.2 in) over 12 days. Additionally, humidity remains relatively high in both months, at 80% in May and slightly higher at 87% in March. For a more detailed look at March's weather specifically, visit Ascona weather in March.
When comparing the weather between April and May, we see a noticeable warming trend. In May, the temperatures range from a minimum of -7°C (21°F) to a maximum of 25°C (77°F) with an average of 11°C (51°F), while April's temperatures range from -6°C (21°F) to 20°C (68°F) and average just 7°C (44°F). Rainfall is also more frequent in May, with precipitation occurring on 19 days totaling 176 mm (6.9 in), compared to April's 10 days of rain and 136 mm (5.3 in). Humidity levels are slightly lower in May at 80% versus 84% in April. For more details, you can refer to Ascona weather in April.
May and June present a notable transition in weather conditions. In May, temperatures range from a chilly minimum of -7°C (21°F) to a comfortable maximum of 25°C (77°F), with an average of 11°C (51°F). The month is characterized by significant precipitation, totaling 176 mm (6.9 in) over 19 days, alongside a humidity level of 80%.
In contrast, June offers warmer temperatures, with a minimum of 5°C (41°F) and a maximum soaring to 34°C (93°F), averaging 15°C (60°F). Precipitation is slightly less, at 159 mm (6.3 in) over 18 days, and humidity increases modestly to 82%. This shift from May to June marks a move towards warmer and more humid conditions, making June especially inviting for outdoor activities.
For more detailed insights, you can explore Ascona weather in June.
In May, temperatures can range from a chilly minimum of -7°C (21°F) to a pleasant maximum of 25°C (77°F), averaging around 11°C (51°F). This month typically experiences significant rainfall, with a total precipitation of 176 mm (6.9 in) across 19 days and humidity levels averaging 80%. In contrast, July sees warmer weather, with minimum temperatures at 6°C (44°F) and maximums reaching up to 27°C (80°F), resulting in an average of 17°C (63°F). While it has less rainfall, totaling 123 mm (4.9 in) over 18 days, humidity slightly increases to 83%. For a more detailed look at July's weather in Ascona, you can visit Ascona weather in July.
May and August showcase distinct climatic characteristics, despite their similar humidity levels of 80%. In May, temperatures range from a minimum of -7°C (21°F) to a maximum of 25°C (77°F), with an average of 11°C (51°F). This month experiences a higher precipitation of 176 mm (6.9 in) over 19 days. In contrast, August sees warmer temperatures, with lows of 7°C (45°F) and highs reaching 28°C (82°F) for an average of 17°C (62°F). Precipitation decreases slightly to 169 mm (6.6 in) but occurs over fewer days, only 13. For more detailed information about August weather, you can check Ascona weather in August.
May and September present a transition in weather as spring shifts to autumn. In May, temperatures range from a chilly -7°C (21°F) at night to a pleasant 25°C (77°F) during the day, with an average of 11°C (51°F). The month is characterized by high humidity at 80% and about 176 mm (6.9 in) of precipitation over 19 days. In contrast, September offers a slightly milder experience, with nighttime lows of -1°C (31°F) and daytime highs reaching 23°C (74°F), resulting in an average temperature of 13°C (55°F). September sees less precipitation at 136 mm (5.4 in) over 14 days and a slightly higher humidity level of 83%. For those interested in exploring the September climate, more details can be found at Ascona weather in September.
May and October present distinct weather experiences, emphasizing the transition from spring to fall. In May, temperatures range from a chilly minimum of -7°C (21°F) to a pleasant average of 11°C (51°F), peaking at 25°C (77°F), accompanied by moderate precipitation of 176 mm (6.9 in) over 19 days. The humidity sits at a relatively high 80%, contributing to a fresh, vibrant atmosphere.
Contrastingly, October features cooler temperatures with a minimum of -1°C (30°F), an average of 8°C (47°F), and a maximum of 21°C (69°F). This month also sees an increase in precipitation, totaling 242 mm (9.5 in) across 12 days, and humidity rises to 90%, adding to the crispness of the fall air. For more detailed weather insights, check out Ascona weather in October.
May and November present contrasting weather experiences. In May, temperatures range from a brisk -7°C (21°F) to a pleasant 25°C (77°F), with an average temperature of 11°C (51°F) and significant precipitation of 176 mm (6.9 in) over 19 days, accompanied by a moderate humidity level of 80%. In contrast, November is notably cooler, with temperatures dipping from -9°C (16°F) to a maximum of 15°C (59°F) and an average of just 3°C (38°F). Although precipitation is slightly lower at 168 mm (6.6 in) spread across 13 days, the humidity rises to 88%, creating a damp atmosphere. For more detailed insights, check out Ascona weather in November.
May and December present quite different weather patterns. In May, temperatures range from a chilly -7°C at night to a warm 25°C during the day, averaging 11°C overall. The month is relatively wet, with 176 mm of precipitation over 19 days and a humidity level of 80%. In contrast, December features much colder temperatures, with lows of -13°C and highs peaking at 9°C, averaging around -1°C. While December sees less rainfall at 119 mm over only 12 days, humidity is notably higher at 90%. For more details on December weather in Ascona, you can check this link: Ascona weather in December.
As May unfolds in Ascona, the temperatures begin to rise significantly, offering a delightful transition from the chilly confines of winter. While temperatures can peak at a pleasant 25°C (77°F), the month also carries its share of cool nights, maintaining an average that keeps things refreshingly mild. However, this is balanced by an increase in precipitation, with about 19 rainy days contributing to a humid atmosphere that hovers around 80%. This combination of warmth and moisture makes May a unique and vibrant month in Ascona’s seasonal tapestry, ideal for embracing the beauty of spring. For more insights into the region's climate, visit Ascona Climate.