Last updated: August 27, 2025
May in Samnaun, Switzerland presents a captivating interplay of temperatures and weather patterns. With a maximum of 21°C (70°F), the days feel pleasantly warm, yet the average hovers around a cool 5°C (41°F), and nighttime lows can dip to a brisk minimum of -16°C (4°F). The month experiences considerable precipitation, totaling 176 mm (6.9 in) over approximately 23 days, resulting in a humidity level of 78%, which adds to the lush Alpine atmosphere. This dynamic weather creates the perfect backdrop for outdoor exploration and showcases the enchanting beauty of spring in the Swiss Alps.
In May, Samnaun, Switzerland, begins to shed the heavy cloak of winter, revealing a more temperate landscape. The temperatures range from a chilly -16°C (4°F) at night to a pleasant 21°C (70°F) during the day, marking a significant shift as spring firmly takes hold. This month boasts an average temperature of 5°C (41°F), a notable rise compared to the preceding months, paving the way for outdoor adventures amidst blossoming scenery. As the snow melts and the days grow longer and warmer, visitors can experience the vibrant beauty of the Alps, effectively transitioning from the frigid depths of winter to the refreshing warmth of summer.
In May, Samnaun, Switzerland experiences a notable uptick in precipitation, with 176 mm (6.9 in) falling over 23 days. This substantial increase marks May as the wettest month so far in the year, contrasting sharply with the milder conditions of April. As spring gives way to early summer, the frequency of rainy days not only contributes to the lush landscapes but also sets the stage for the vibrant flora typical of the region. Following May, precipitation remains high into June and July, reinforcing a trend of consistently elevated rainfall that allows the breathtaking alpine environment to thrive.
In Samnaun, Switzerland, May marks a significant shift in humidity levels, dipping to 78%, the lowest point since January. This decline reflects the gradual transition from the heavy moisture of winter months to the fresher atmosphere of late spring. Following the wetter months from January through April, the reduction in humidity in May is a welcome change, offering a more comfortable environment for outdoor activities and exploration. As the year progresses into June, humidity levels slightly rise again to 79%, indicating the onset of summer but still maintaining a pleasant balance. The trend illustrates the region's dynamic climate, where humidity begins to stabilize before the peak summer months.
In May, Samnaun, Switzerland, experiences a notably high UV Index of 9, categorizing the exposure as very high. This trend of elevated UV levels continues from April, where the index has already reached 8, and foreshadows the peak intensity seen in the summer months of June and July, both boasting a UV Index of 10. As the snow melts and the sun becomes more powerful, residents and visitors alike should take care, with a burn time of only 15 minutes indicating the need for effective sun protection. The leap in UV levels from March’s moderate index of 7 to May’s intense readings is a reminder of the importance of sun safety during this period. For more details on UV forecasts throughout the year, check out Samnaun UV Index.
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May heralds a stunning transformation in Samnaun, Switzerland, as the sun graces this mountain paradise with an impressive 365 hours of glorious sunshine. Following a steady climb from 176 hours in January to a vibrant 356 hours in April, May represents the zenith of springtime radiance, marking a delightful turning point in the year. As the days grow longer and the snow begins to melt, outdoor enthusiasts eagerly embrace the invigorating sunshine, setting the stage for unforgettable adventures amidst the lush landscapes. This sun-soaked month not only fosters a spirit of exploration but also hints at the promising sunshine of the upcoming summer, with June and July boasting even higher totals—389 and 409 hours respectively. Thus, May acts as a radiant bridge, seamlessly connecting winter's charm to the vibrant warmth of summer.
In Samnaun, Switzerland, the likelihood of sunny weather in May stands at 29%, which is slightly lower than the preceding months of April and March, showcasing a trend of diminishing sunshine as spring transitions into early summer. Although May typically offers a mix of weather, it follows a more promising February with a sun chance of 44%, revealing a seasonal ebb and flow in sunlight. As travelers consider May for their visits, it's clear that while the region certainly has its sunny moments, the unpredictable weather may encourage a flexible approach to outdoor activities. With opportunities for both exploration and leisure, visitors can still relish the beauty of Samnaun amidst the varying weather conditions.
As spring transitions to summer in Samnaun, Switzerland, daylight hours steadily increase, offering residents and visitors a captivating experience of nature's awakening. In May, the sun graces the sky for a generous 15 hours, a significant leap from 8 hours in January. This surge in daylight not only highlights the vibrant blooms and lush landscapes but also invites outdoor enthusiasts to explore the picturesque surroundings. June, July, and August maintain this delightful 15-hour daylight duration, allowing ample time for hiking, biking, and soaking in the scenic Alpine beauty. As summer wanes into autumn, daylight begins to taper off, dropping to 12 hours in September and further diminishing towards winter, but the month of May remains a shining highlight in the calendar, celebrated for its abundant sunlight and invigorating energy.
In May, the tranquil winds of Samnaun, Switzerland continue a gentle embrace, with an average wind speed of 1.5 m/s (3 mph). This marks a slight uptick from the previous month, mirroring a mild trend seen in both February and April, where easterly breezes stimulate the vibrant spring atmosphere. As winter gives way to summer, the winds remain consistently calm, particularly when compared to the following months like June and July that experience a slight decline to 1.3 m/s. This steady yet subtle variation offers a perfect backdrop for outdoor adventures, inviting visitors to relish in the scenic beauty while enjoying the refreshing mountain air that defines this stunning Alpine region.
Weather in Samnaun varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Samnaun, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures begin to warm up, with a minimum of -16°C (4°F), an average of 5°C (41°F), and a maximum reaching 21°C (70°F). This month experiences significant precipitation at 176 mm (6.9 in) over 23 days, resulting in a humidity level of 78%. In contrast, January is much colder, with temperatures ranging from a low of -28°C (-18°F) to an average of -8°C (17°F) and a maximum of 6°C (42°F). Precipitation in January is lower at 129 mm (5.1 in) across just 11 days, but the humidity is higher at 93%. For more details on January weather, you can visit Samnaun weather in January.
The weather in May significantly contrasts with that of February. In May, temperatures range from a chilly minimum of -16°C (4°F) to a pleasant maximum of 21°C (70°F), with an average of 5°C (41°F). This month sees a considerable amount of precipitation, totaling 176 mm (6.9 in) over 23 days and an overall humidity level of 78%. In comparison, February experiences much colder temperatures, with a minimum of -23°C (-9°F) and a maximum of 8°C (47°F), averaging -5°C (23°F). Precipitation is lower, at 84 mm (3.3 in) over 12 days, and humidity is slightly higher at 89%. For a more detailed look at February weather, you can visit Samnaun weather in February.
When comparing the weather in May and March, a noticeable shift in temperatures and conditions becomes evident. May boasts a minimum temperature of -16°C (4°F) but averages a more comfortable 5°C (41°F), peaking at a pleasant 21°C (70°F). In contrast, March starts a bit colder, with a minimum of -24°C (-11°F) and an average of -3°C (27°F), reaching a maximum of only 11°C (53°F). Precipitation is more abundant in May, with 176 mm (6.9 in) over 23 days compared to March's 114 mm (4.5 in) over 17 days, although humidity is slightly lower in May at 78% compared to March’s 86%. For a detailed look at March conditions, you can visit Samnaun weather in March.
In comparing the weather patterns of April and May, May presents a significant warming trend. The minimum temperature in May is -16°C (4°F), an improvement from April's colder -21°C (-5°F), while the average temperature increases to a pleasant 5°C (41°F) compared to April's average of just 1°C (34°F). May also showcases a higher maximum temperature, reaching 21°C (70°F) versus April's peak of 15°C (59°F).
However, May is characterized by increased precipitation, totaling 176 mm (6.9 in) over 23 days, compared to April's 86 mm (3.4 in) over 12 days. Notably, humidity remains relatively high in both months, with May at 78% and April slightly higher at 83%. For those interested in a detailed look at April's weather, you can find more information here: Samnaun weather in April.
In May, temperatures in Samnaun are relatively cool, with a minimum of -16°C (4°F) and an average of 5°C (41°F), peaking at a maximum of 21°C (70°F). The month also sees significant precipitation, totaling 176 mm (6.9 in) over 23 days, coupled with a humidity level of 78%. In contrast, June brings milder temperatures, with a minimum of -3°C (27°F) and an average of 10°C (51°F), reaching a maximum of 26°C (79°F). Precipitation decreases slightly to 150 mm (5.9 in) over 20 days, while humidity remains relatively high at 79%. For more detailed information, check out Samnaun weather in June.
In May, temperatures often dip down to a chilly -16°C (4°F) at night, with an average of 5°C (41°F) and a peak of 21°C (70°F) during the day. The month sees ample rainfall, totaling 176 mm (6.9 in) across 23 days, alongside relatively high humidity at 78%. In comparison, July experiences milder conditions with minimum temperatures rising to 1°C (34°F), an average of 11°C (53°F), and maximums reaching 26°C (80°F). Precipitation levels remain similar, with 175 mm (6.9 in) over 21 days, but humidity increases slightly to 82%. For a closer look at July weather, refer to Samnaun weather in July.
May and August present distinct weather patterns, reflecting the transition from spring to late summer. In May, temperatures can dip as low as -16°C (4°F), with an average of 5°C (41°F) and a peak hitting 21°C (70°F). The month is marked by considerable precipitation, totaling 176 mm (6.9 in) over 23 days, and humidity levels averaging 78%.
In contrast, August offers milder temperatures, with a minimum of 0°C (32°F), an average of 11°C (53°F), and a maximum reaching 23°C (74°F). While it sees a slightly higher total precipitation of 184 mm (7.2 in) over a similar number of rainy days (22), humidity rises only slightly to 80%. Overall, August presents a more stable and warmer climate than the cool, rainy May. For more detailed insights, you can check Samnaun weather in August.
May and September present distinct weather patterns, highlighting the transition from spring to autumn. In May, temperatures range from a minimum of -16°C (4°F) to a maximum of 21°C (70°F), with an average of 5°C (41°F). The month sees considerable precipitation, totaling 176 mm (6.9 in) over 23 days, accompanied by a relatively high humidity level of 78%. In contrast, September experiences milder temperatures, with a minimum of -11°C (13°F) and a maximum of 20°C (69°F), averaging 7°C (46°F). Precipitation is less frequent, amounting to 136 mm (5.3 in) over 16 days, and humidity rises slightly to 83%. For more detailed information on September weather, visit Samnaun weather in September.
May and October exhibit notable differences in weather patterns. In May, temperatures range from a chilly -16°C (4°F) at night to a pleasant high of 21°C (70°F) during the day, with an average of 5°C (41°F). This month sees considerable precipitation, totaling 176 mm (6.9 in) over 23 days, and a humidity level of 78%. In contrast, October experiences milder conditions, with minimum temperatures at -11°C (13°F) and a maximum of 16°C (62°F), averaging around 3°C (38°F). Precipitation in October is lower, at 127 mm (5.0 in) spread over 13 days, but the humidity is slightly higher at 90%. For detailed information about the weather in October, you can visit Samnaun weather in October.
May and November present strikingly different weather conditions. In May, temperatures range from a chilly -16°C (4°F) at their lowest to a pleasant 21°C (70°F) at their peak, with an average of 5°C (41°F). The month is characterized by a notable amount of precipitation, totaling 176 mm (6.9 in) over 23 days, coupled with a humidity level of 78%. In contrast, November experiences a more severe chill, with minimum temperatures dipping to -21°C (-5°F) and a maximum of 12°C (55°F), averaging around -3°C (27°F). Though November's precipitation is less, at 91 mm (3.6 in) across just 10 days, it is accompanied by a higher humidity of 89%. For more detailed insights on November weather, check out Samnaun weather in November.
May and December present contrasting weather conditions, with May experiencing milder temperatures and more variability. In May, temperatures range from a chilly -16°C (4°F) at night to a pleasant 21°C (70°F) during the day, with an average of 5°C (41°F). This month sees a total precipitation of 176 mm (6.9 in) over 23 days, accompanied by a humidity level of 78%. In contrast, December is much colder, with nighttime lows plummeting to -27°C (-16°F) and daytime highs only reaching 3°C (38°F), averaging -7°C (19°F). Although December has slightly less precipitation at 155 mm (6.1 in) over 17 days, it is notably more humid, with humidity levels at 90%. For a detailed view of December's weather, you can visit Samnaun weather in December.
As May unfolds in Samnaun, the weather begins to transition from the lingering chill of winter to the warmth of early summer. With average temperatures notably higher than the preceding months, the maximum reaches a pleasant 21°C, inviting outdoor adventures amidst the breathtaking alpine scenery. However, it's essential to remain prepared for cooler nights and unexpected rain showers, as the month can still experience a mix of conditions, with a significant amount of precipitation over numerous days. The increased humidity adds to the invigorating feel of the air, making May a dynamic time to experience the beauty of Samnaun. For a deeper insight into the local climate, visit Samnaun Climate.