May Weather in Mendrisio, Switzerland

Last updated: August 27, 2025

May in Mendrisio, Switzerland, is characterized by vibrant spring weather, where temperatures can soar to a maximum of 32°C (89°F). The month showcases a pleasant average of 17°C (63°F), while cooler nights can drop to a refreshing minimum of 5°C (41°F). With 143 mm (5.6 in) of precipitation spread across 16 days, residents and visitors can expect a mix of sun-soaked days and gentle showers. The air is often humid, with an average humidity level of 74%, creating a lush, green landscape that captivates the senses. Whether you're exploring the charming streets or enjoying the scenic vistas, May in Mendrisio promises a delightful experience.

May Temperature in Mendrisio

In Mendrisio, Switzerland, the month of May marks a delightful transition into warmer weather, as temperatures begin to rise significantly. With a minimum of 5°C (41°F) and a comfortable average of 17°C (63°F), May offers a refreshing escape from the chill of early spring. The days can be quite warm, peaking at a stunning 32°C (89°F) at times, inviting both locals and visitors to enjoy outdoor activities amid the picturesque surroundings. This trend of increasing warmth is evident when compared to previous months, showcasing a significant leap from April’s more moderate maximum of 25°C (78°F). As the landscape blossoms and sunshine becomes more prevalent, May stands out as a vibrant month in Mendrisio, encouraging everyone to savor the beauty of the season.

May Weather in Mendrisio: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mendrisio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mendrisio, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec394348566372747466574841
Data source: Temperature data for Mendrisio generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mendrisio

May marks a significant turning point in precipitation for Mendrisio, Switzerland, as it experiences a notable uptick in rainfall, recording 143 mm (5.6 in) over 16 days of rain. This increase continues the trend observed from the previous months, where April already set the stage with 124 mm (4.9 in). The transition from spring into early summer brings not only more moisture but also increasingly frequent rainfall days. The pattern showcases a gradual escalation in precipitation leading into June, which is recorded at 161 mm (6.4 in); thus, May's abundant showers help prepare the region for the lush greenery that follows. As such, this month is pivotal for fostering Mendrisio's vibrant landscape, illustrating how the region thrives in response to its evolving climate.

May Precipitation Trends in Mendrisio

The chart displays monthly precipitation patterns in Mendrisio, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mendrisio, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec43468812414316116413614615216994
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mendrisio

As spring unfolds in Mendrisio, Switzerland, May welcomes a refreshing drop in humidity to 74%, continuing the gradual decline that begins earlier in the season. This reduction from the higher levels seen in the colder months, such as 88% in January and 81% in February, sets the stage for a more comfortable atmosphere that invites outdoor activities. The trend indicates a movement towards drier conditions, with humidity steadily decreasing as summer approaches; particularly notable is the drop to 67% in July, showcasing the evolution of Mendrisio's climate. The pleasant May humidity, while lower than in the preceding months, still retains a hint of the spring ambience, making it an ideal time to enjoy the region's natural beauty before the summer heat fully settles in.

May Average Humidity in Mendrisio

This chart illustrates the average monthly humidity levels in Mendrisio, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mendrisio is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mendrisio

As spring transitions into summer, May in Mendrisio, Switzerland, marks a significant jump in the UV Index, reaching 8, categorized as very high. With a burn time of just 15 minutes, it's essential for residents and visitors alike to take necessary precautions against sun exposure. This increase in UV intensity from the previous months highlights a clear trend: as temperatures rise and days lengthen, the risk of sunburn escalates rapidly. Following May, June and July maintain this high level, with UV Index values at 9, emphasizing the need for sun protection during outdoor activities. As you enjoy the beautiful weather, be sure to stay informed about the UV Index trends and prioritize your skin's health by checking the details at Mendrisio UV Index.

Maximum UV Index Levels in Mendrisio for May

The chart shows the monthly maximum UV Index (UVI) for Mendrisio in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Mendrisio typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Mendrisio May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Mendrisio

May ushers in the season of sunshine in Mendrisio, Switzerland, with a delightful 389 hours of sunlight, marking a charming peak in the spring months. Following the steady increase from January’s modest 188 hours, the sun's embrace strengthens through the spring, culminating in April’s bright 343 hours. As we transition into summer, June and July take the spotlight with record high hours of 412 and 427 respectively, showcasing Mendrisio's transformation into a sun-soaked paradise. The trend of climbing sunshine hours, particularly through the vibrant spring into the warm summer, offers residents and visitors alike an inviting atmosphere filled with possibility and outdoor adventure. As the days gradually shorten into autumn with September's 335 hours, May remains a celebrated month, embodying the essence of renewal and warmth.

Monthly Sunshine Duration in Mendrisio: May Highlighted

The May sunshine duration represents the total number of hours Mendrisio experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec188h233h308h343h389h412h427h391h335h290h211h215h
Data source: Mendrisio May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Mendrisio During May

May in Mendrisio, Switzerland, offers a moderate chance of sunshine, with about 45% likelihood of clear skies. While this is slightly lower than the preceding months of March, which enjoys a 64% probability, and April at 46%, it remains in line with the atmospheric patterns leading into summer. Interestingly, both May and June maintain comparable chances of sunny weather at 46%, suggesting a transition towards more stable conditions as the seasons shift. As summer approaches, the trend indicates a gradual increase in sunny days, making May an enticing time to enjoy the beauty of this charming Swiss region.

Percentage of Sunny Days in May in Mendrisio

The chart illustrates the percentage of sunny days in Mendrisio throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Mendrisio experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%42%64%46%45%46%45%55%44%49%40%51%
Data source: Mendrisio May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Mendrisio in May

In Mendrisio, Switzerland, the transition into spring heralds a remarkable increase in daylight, culminating in the delightful month of May. Beginning the year with just 9 hours of daylight in January, the city gradually experiences longer days, adding an hour in February and another in March. By April, the daylight extends to 13 hours, and by May, it reaches an inviting 14 hours. This upward trend continues into the summer months of June and July, where daylight peaks at 15 hours. As summer fades into fall, the hours of daylight gradually decrease, highlighting a natural rhythm that offers a unique charm to each season in Mendrisio.

Average Daylight Hours in Mendrisio for May

The chart illustrates the variation in daylight duration in Mendrisio throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 22m11h 56m13h 33m14h 55m15h 37m15h 15m14h 2m12h 29m10h 53m9h 28m8h 44m
Data source: Mendrisio daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Mendrisio

As spring transitions into summer, Mendrisio experiences a gentle yet consistent breeze throughout May, with an average wind speed of 1.9 m/s (4 mph). This marks a slight increase from April's 2.0 m/s, showcasing a steady trend where winter months generally exhibit lower speeds, such as January and February’s averages of 1.8 m/s and 1.6 m/s, respectively. As the year unfolds, wind speeds tend to fluctuate slightly but remain within a comfortable range, peaking during the earlier spring months before tapering down in the later autumn. Notably, May’s mild winds create an inviting atmosphere, perfect for outdoor activities, as the warm weather makes its awaited debut in the picturesque landscapes of Mendrisio.

Average May Wind Speed in Mendrisio

The chart displays monthly wind speed patterns in Mendrisio, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.61.82.01.9 m/s1.71.81.71.51.61.71.9
Data source: Mendrisio May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Mendrisio Compares to Other Months

Weather in Mendrisio varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mendrisio, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present stark contrasts in weather conditions. In May, the temperatures soar, with a minimum of 5°C (41°F) and an average high of 17°C (63°F), peaking at a warm 32°C (89°F). The month experiences considerable rainfall, accumulating 143 mm (5.6 in) over 16 days, and humidity levels average around 74%. In contrast, January features much colder temperatures, with a minimum of -6°C (21°F) and an average high of 4°C (39°F), only reaching up to 16°C (60°F). Precipitation is significantly lower during January at 42 mm (1.7 in), occurring over just 6 days, while humidity is higher at 88%. This comparison highlights the refreshing warmth of May in stark opposition to the chilly temperatures of January. For more detailed insights into January weather, visit Mendrisio weather in January.

When comparing the weather in May and February, it's clear that May offers significantly warmer temperatures, with averages reaching 17°C (63°F) and highs soaring up to 32°C (89°F). In contrast, February sees much cooler weather, with average temperatures around 6°C (43°F) and lows dipping to -7°C (19°F). Additionally, May experiences more precipitation, totaling 143 mm (5.6 in) over 16 days, while February has only 46 mm (1.8 in) spread across 7 days. Interestingly, February also boasts higher humidity levels at 81% compared to May's 74%. For more details on February weather, you can check Mendrisio weather in February.

When comparing the weather between March and May, it's clear that May offers significantly warmer temperatures. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 32°C (89°F), while March experiences cooler conditions, with a minimum of -5°C (23°F) and a maximum of 23°C (74°F). Additionally, May sees higher precipitation, with 143 mm (5.6 in) spread over 16 days, compared to March’s 88 mm (3.5 in) over just 9 days. Humidity levels are slightly lower in May at 74%, while March has a humidity of 76%. For a more detailed look at the specifics of March weather, you can refer to this link: Mendrisio weather in March.

In comparing the weather between April and May, it's clear that May brings warmer temperatures, with a minimum of 5°C (41°F) and an average of 17°C (63°F), compared to April's minimum of 0°C (33°F) and average of 13°C (56°F). The maximum temperature in May can reach up to 32°C (89°F), significantly higher than April's peak of 25°C (78°F). However, May experiences more precipitation, totaling 143 mm (5.6 in) over 16 days, while April has slightly less at 124 mm (4.9 in) across 11 days. The humidity also remains relatively high in both months, with April at 77% and May at 74%. For a more detailed look at April's weather, you can check Mendrisio weather in April.

May and June present a noticeable shift in weather patterns. In May, temperatures range from a cooler minimum of 5°C (41°F) to an average high of 32°C (89°F), with a total of 143 mm (5.6 in) of precipitation recorded over 16 days and an average humidity of 74%. In contrast, June warms significantly, boasting minimum temperatures of 12°C (55°F) and reaching an average maximum of 37°C (100°F). Although precipitation slightly increases to 161 mm (6.4 in), it only occurs across 12 days, and humidity decreases marginally to 71%. This transition from May to June indicates not only warmer weather but also a shift towards more intense summer conditions. For more detailed insights, check out the Mendrisio weather in June.

May and July present notable differences in weather conditions. In May, temperatures range from a cool minimum of 5°C (41°F) to a maximum of 32°C (89°F), with an average temperature of 17°C (63°F). The month is quite wet, experiencing 143 mm (5.6 in) of precipitation over 16 days and a relatively high humidity of 74%. In contrast, July warms up significantly, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F) and an average temperature of 24°C (75°F). Although July receives slightly more precipitation at 164 mm (6.5 in) over 14 days, the humidity dips to 67%, making it feel generally less muggy compared to May. For a closer look at July weather specifics, you can refer to Mendrisio weather in July.

May and August present distinct weather patterns, highlighting the transition between spring and summer. In May, temperatures can vary significantly, with a minimum of 5°C (41°F) and a maximum reaching 32°C (89°F), resulting in an average of 17°C (63°F). The month is characterized by higher precipitation, totaling 143 mm (5.6 in) over 16 days, accompanied by a humidity level of 74%. In contrast, August offers warmer conditions, with minimum temperatures of 14°C (58°F) and maximums climbing to 34°C (93°F), averaging around 24°C (75°F). Precipitation is slightly lower at 136 mm (5.3 in) over 13 days, and humidity is also more comfortable at 64%. For more details about the weather in August, you can check Mendrisio weather in August.

In May, the weather can be quite variable, with temperatures ranging from a chilly 5°C (41°F) at night to a warm 32°C (89°F) during the day, resulting in an average temperature of 17°C (63°F). The month experiences substantial rainfall, with 143 mm (5.6 in) spread over 16 days, contributing to a consistent humidity level of 74%. Conversely, September offers slightly milder temperatures, with minimums of 8°C (46°F) and maximums of 29°C (84°F), averaging 19°C (66°F). While the precipitation is slightly higher at 146 mm (5.8 in), it falls over fewer days—only 11—maintaining the same humidity of 74%. For more detailed insights into September weather, you can refer to Mendrisio weather in September.

In comparing the weather of May and October, we see distinct differences in temperature and precipitation. May typically enjoys warmer temperatures, with averages around 17°C (63°F) and maximums reaching up to 32°C (89°F), while October presents cooler averages of 14°C (58°F) and a maximum of 26°C (80°F). Additionally, May experiences higher humidity at 74% compared to October's 87%. Precipitation is also notable; May sees around 143 mm (5.6 in) over 16 days, whereas October has slightly more precipitation at 152 mm (6.0 in) but covers just 8 days. For more detailed information, you can check the link Mendrisio weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a warm maximum of 32°C (89°F), with an average of 17°C (63°F). The month experiences moderate rainfall at 143 mm (5.6 in) spread over 16 days, accompanied by a humidity level of 74%. In contrast, November brings cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 18°C (64°F), resulting in an average of just 9°C (49°F). This month is slightly wetter, with precipitation measuring 169 mm (6.7 in) over 12 days, and a higher humidity level of 88%. For more details, check out Mendrisio weather in November.

May and December in Mendrisio present stark contrasts in weather. May typically enjoys a wide temperature range with a minimum of 5°C (41°F), an average of 17°C (63°F), and a maximum reaching up to 32°C (89°F), alongside higher humidity levels at 74% and significant precipitation of 143 mm (5.6 in) over 16 days. In contrast, December brings a chillier atmosphere with temperatures dipping as low as -3°C (28°F) and averaging just 5°C (41°F). The maximum temperature in December is a modest 14°C (58°F), and while it sees less precipitation at 94 mm (3.7 in) and fewer wet days (8), the humidity rises to 85%. For a detailed look at weather conditions during December, you can visit Mendrisio weather in December.

Compare Mendrisio's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Mendrisio

As May unfolds in Mendrisio, the weather presents a delightful blend of warmth and vibrancy, setting it apart from the chillier months preceding it. With temperatures reaching a comfortable maximum of 32°C, the month brings a significant transition from the cooler spring, while still maintaining a refreshing average. However, be prepared for the potential of rain, as May experiences an active precipitation pattern, combining a fair share of sunny days with overcast ones. This month showcases a higher humidity level, enhancing the lush beauty of the landscape. For a more comprehensive understanding of Mendrisio's climate trends throughout the year, explore Mendrisio Climate.