Last updated: August 27, 2025
Experience the captivating May weather of Montreux, Switzerland, where temperatures range from a maximum of 27°C (81°F) to a cool minimum of -3°C (27°F). The month reveals an average temperature of 11°C (51°F), perfect for outdoor activities amidst the stunning Alpine backdrop. However, be prepared for approximately 182 mm (7.2 in) of rain over 19 days, creating a lush and vibrant landscape. With humidity levels around 80%, the air is rich and refreshing, making May a unique month to explore this beautiful lakeside town.
May in Montreux, Switzerland, marks a delightful transition into warmer weather, with temperatures reaching a minimum of -3°C (27°F) and an average of 11°C (51°F). As the days grow longer and sunnier, the maximum temperature can soar to a pleasant 27°C (81°F), making it an inviting time for outdoor exploration and leisure. This month stands out as the first in the year to consistently present mild conditions, a stark contrast to the chill of winter months like January and February, which often see sub-zero temperatures. The gradual warming trend leading into May indicates not just a welcome respite from the cold, but also sets the stage for even warmer days in the following summer months, encouraging both locals and visitors to enjoy the breathtaking scenery and vibrant culture of this stunning lakeside town.
In May, Montreux experiences a notable surge in precipitation, with 182 mm (7.2 in) of rain falling over 19 days—the highest monthly total observed so far this year. This significant increase compared to April’s 76 mm (3.0 in) not only marks a transition into one of the wetter months, but also signals the arrival of lush spring conditions. As the landscape awakens with vibrant colors, the frequent rain showers contribute to the region's picturesque beauty, making May a delightful yet rainy month. This trend of increased precipitation continues into June and July, emphasizing a distinctive pattern of wetter weather during the spring and early summer in Montreux.
May in Montreux, Switzerland, welcomes a refreshing drop in humidity, settling at 80%, a welcome relief as spring transitions into summer. This month marks the continuation of a gradual decline from the 91% of January, showcasing a trend towards more comfortable conditions. As the landscape blossoms and outdoor activities beckon, May's humidity is notably lower than the preceding months, hinting at the milder climate that lies ahead in June and July, both hovering at 82%. This fluctuation illustrates Montreux's unique climatic rhythm, where the initial dampness of the year begins to ease, inviting locals and visitors alike to enjoy the beauty of the region with greater ease.
In Montreux, Switzerland, the UV Index reaches a striking 8 in May, marking a shift towards very high exposure levels that call for enhanced sun protection. With a burn time of just 15 minutes, it’s clear that residents and visitors should be mindful of the sun's intensity as they enjoy the emerging warmth of spring. This trend of increasing UV exposure begins in March and escalates through the summer months, highlighting the importance of staying vigilant against potential sunburn. As the days lengthen and temperatures rise, June follows suit with an even higher index of 10, making May a pivotal month to adjust sun safety habits. For those planning outdoor activities, staying informed about the UV Index is essential—check it regularly at Montreux UV Index to ensure a safe and enjoyable experience under the sun.
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May in Montreux, Switzerland, brings a delightful embrace of sunshine, boasting 355 hours of radiant daylight, nearly matching the bloom of June and indicative of the region's gradual warming trend. As spring unfolds, the increase from 354 hours in April showcases a steady ascent in sunlight, inviting both locals and visitors to enjoy the picturesque landscapes. This upward trajectory continues into the summer months, with July capturing the most sunlight at 418 hours. The overall pattern reveals a vibrant transition from winter's modest 167 hours in January to the sunny peaks of July, exemplifying how Montreux beautifully warms under an increasingly brilliant Swiss sky.
As May unfolds in Montreux, Switzerland, the likelihood of sunny weather dips to 30%, a notable decrease from the preceding months of April and March, which boast 48% and 46% sunny days respectively. This fluctuation signals a shift as spring transitions towards the summer months. Although May's sunshine probability is lower than earlier in the season, it still holds promise for delightful sunlit moments, especially when contrasted with January's mere 19%. Paradoxically, while June, July, and August see a slight uptick in sunny days, they remain modestly above May's forecast. Thus, May acts as a pivotal bridge, providing a balanced blend of mild springtime charm with the anticipation of sunnier days ahead.
As spring blossoms into summer, May shines brightly in Montreux, Switzerland, with 15 hours of daylight illuminating the picturesque surroundings. This month marks a peak in daylight hours, following a steady increase since January’s modest 9 hours. The gradual growth from 10 hours in February to 13 in April sets the stage for May's full embrace of sunshine, perfectly complementing the vibrant nature and cultural events that the region is known for. The extended daylight hours not only enhance outdoor activities but also invigorate the local community, making May a delightful time to explore the beauty of Montreux. As summer arrives, the daylight remains consistent at 15 hours through June and July, creating a season ripe for enjoyment and adventure.
In Montreux, Switzerland, the May winds mirror the calm temperament of early spring, maintaining an average breeze of 1.6 m/s (4 mph). This gentle airflow is consistent with the trends observed from January through April, where wind speeds hover around the same level, creating a serene backdrop for boating and lakeside strolls. As the year progresses into the warmer months, a slight decline is noted in June with 1.3 m/s (3 mph), hinting at a gradual lull in the winds. Despite these fluctuations, May continues to offer a refreshing environment, inviting both locals and tourists to revel in the beauty of this picturesque lakeside town.
Weather in Montreux varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Montreux, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, a stark contrast emerges. May typically sees milder temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), with an average temperature of 11°C (51°F). However, it also experiences notable precipitation, with 182 mm (7.2 in) over 19 days, along with a relatively high humidity of 80%. In contrast, January is much colder, with temperatures plummeting to a minimum of -17°C (1°F) and reaching a maximum of 10°C (51°F), averaging -2°C (29°F). While January has less precipitation totaling 132 mm (5.2 in) across only 11 days, the humidity is higher at 91%. For a more detailed look at January conditions, you can visit Montreux weather in January.
When comparing the weather in May and February, it’s clear that May offers a much milder climate. May's temperatures range from a minimum of -3°C (27°F) to a maximum of 27°C (81°F), with an average of 11°C (51°F), while February experiences a harsher range, with minimums dropping to -15°C (4°F) and a maximum of only 15°C (59°F), averaging around 1°C (34°F). Additionally, May sees significantly more rainfall, with 182 mm (7.2 in) over 19 days, compared to February's 106 mm (4.2 in) over just 11 days. The humidity levels are also slightly higher in February at 89%, making the winter month feel quite chillier. For more detailed information, you can check Montreux weather in February.
In comparing the weather between March and May, one can notice a significant shift in temperature and precipitation patterns. May boasts a much warmer temperature range, with a minimum of -3°C (27°F) and an average of 11°C (51°F), peaking at a maximum of 27°C (81°F). In contrast, March experiences colder conditions, with temperatures ranging from a minimum of -16°C (4°F) to a maximum of 18°C (65°F), making it considerably chillier overall. Precipitation is also noteworthy, as May sees 182 mm (7.2 in) over 19 days, while March records 135 mm (5.3 in) during 15 days of rain, suggesting that May is not only warmer but also wetter. Furthermore, humidity levels are slightly higher in March at 87%, compared to May’s 80%. For a more detailed look at March weather, you can check Montreux weather in March.
In comparing the weather in May and April, May certainly offers more warmth, with temperatures ranging from a minimum of -3°C (27°F) to a pleasant average of 11°C (51°F) and a maximum of 27°C (81°F). In contrast, April experiences colder temperatures, with a minimum of -12°C (10°F) and an average of 7°C (45°F), peaking at 22°C (72°F). Additionally, May sees significantly higher precipitation, measuring 182 mm (7.2 in) over 19 days, whereas April has only 76 mm (3.0 in) of rainfall over 12 days. Humidity levels are quite similar in both months, with May at 80% and April slightly higher at 84%. For more details on the weather during this time, you can refer to Montreux weather in April.
In comparing the weather of May and June, we observe a noticeable shift towards warmer conditions. May experiences a wider temperature range, with minimums dipping to -3°C (27°F) and maximums reaching 27°C (81°F), while June starts warmer, with temperatures ranging from 4°C (39°F) to a peak of 32°C (89°F). Precipitation is slightly less in June, totaling 159 mm (6.3 in) over 18 days, compared to May's 182 mm (7.2 in) across 19 days, although humidity remains high in both months at around 80-82%. Overall, June tends to be warmer and slightly drier, making it a more inviting month for outdoor activities. For specific details about June conditions, you can refer to Montreux weather in June.
May and July exhibit distinct weather characteristics. In May, temperatures oscillate between a chilly minimum of -3°C (27°F) and a pleasant maximum of 27°C (81°F), with an average of 11°C (51°F). The month is also marked by considerable precipitation of 182 mm (7.2 in) over 19 days and an humidity level of 80%. In contrast, July showcases warmer temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 32°C (90°F), with an average of 17°C (63°F). Precipitation is slightly lower at 165 mm (6.5 in) across 16 days, accompanied by a marginally higher humidity level of 82%. For more detailed insights into the weather during this month, visit Montreux weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 27°C (81°F), with an average of 11°C (51°F). This month experiences significant precipitation, totaling 182 mm (7.2 in) over 19 days, and humidity remains high at 80%. In contrast, August showcases warmer conditions with a minimum of 6°C (43°F) and a maximum of 30°C (86°F), leading to a more comfortable average temperature of 17°C (62°F). Precipitation is slightly lower at 152 mm (6.0 in) over 15 days, and humidity dips to 77%. For more detailed weather information, check Montreux weather in August.
In May, temperatures can vary significantly, with a minimum of -3°C (27°F) and a maximum reaching 27°C (81°F). The month is marked by 182 mm (7.2 in) of precipitation over 19 days, resulting in a relatively humid environment with an average humidity of 80%. In contrast, September presents milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (78°F) and an average of 13°C (56°F). The month receives less rainfall, totaling 100 mm (3.9 in) over 13 days, with a slightly higher humidity level of 81%. For a more detailed look at what to expect, you can check Montreux weather in September.
May and October present contrasting weather patterns, with May offering a tentative transition into warmth, featuring temperatures ranging from a chilly -3°C (27°F) to a pleasant maximum of 27°C (81°F) alongside significant rainfall of 182 mm (7.2 in) spread over 19 days. In contrast, October ushers in cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 22°C (72°F). October also experiences a decrease in precipitation to 120 mm (4.7 in) over 13 days, but it is slightly more humid at 89%. For a more detailed look at October weather, you can explore Montreux weather in October.
May and November present contrasting weather conditions. In May, temperatures range from a chilly -3°C (27°F) to a warm 27°C (81°F), with an average of 11°C (51°F). The month experiences significant rainfall, with 182 mm (7.2 in) across 19 days, and the humidity hovers around 80%. In contrast, November is cooler, with temperatures varying from -8°C (17°F) to a maximum of 18°C (64°F) and an average of 4°C (39°F). Although November receives less precipitation at 106 mm (4.2 in) over 13 days, the humidity increases to 89%. For more details on November weather, check out Montreux weather in November.
May and December present sharply contrasting weather conditions. In May, temperatures range from a brisk -3°C (27°F) at night to a pleasant 27°C (81°F) during the day, with an average of 11°C (51°F). The month experiences relatively high humidity at 80% and receives a substantial rainfall of 182 mm (7.2 in) over approximately 19 days. In contrast, December is much colder, with temperatures dropping as low as -16°C (3°F) and averaging around 0°C (32°F). The maximum temperature reaches only 11°C (52°F). December also sees slightly more precipitation, totaling 208 mm (8.2 in) over 18 days, and an increased humidity level of 91%. For a more detailed look at the December climate, you can check out Montreux weather in December.
As spring fully embraces Montreux in May, the weather transforms dramatically, contrasting with the chill of earlier months. With temperatures reaching a pleasant maximum of 27°C (81°F) during the day, the warmth invites visitors to explore the stunning lakeside scenery and blooming gardens. However, the average chill of 11°C (51°F) and the occasional nighttime dip to a chilly -3°C (27°F) remind us that the season is still shifting. May also brings increased rainfall, with 182 mm (7.2 in) falling over 19 days, adding to the lush greenery but also necessitating a flexible outdoor plan. The moderate 80% humidity further enhances the feeling of freshness in the air, making this month a captivating time to experience Montreux's vibrant beauty. For a deeper understanding of what to expect, check out Montreux Climate.