Last updated: August 27, 2025
May in Fiesch, Switzerland showcases a striking contrast in temperatures, ranging from a minimum of -11°C (13°F) to a maximum of 15°C (59°F), presenting a cool ambiance. With an average temperature of just 2°C (36°F), visitors can expect a brisk climate perfect for layering. The month is characterized by significant precipitation, totaling 160 mm (6.3 in) over 20 days, contributing to the region's lush greenery and vibrant landscapes. Coupled with a humidity level of 80%, the weather creates a refreshing yet damp atmosphere, inviting both locals and travelers to experience the beauty of spring amid the majestic Swiss Alps.
In May, Fiesch, Switzerland begins to shake off the chill of winter, with temperatures steadily rising as the month progresses. The minimum temperature reaches a brisk -11°C (13°F), while the average climbs to a cool 2°C (36°F), setting a pleasant backdrop for spring activities. By the end of the month, the maximum temperature can reach a comfortable 15°C (59°F), inviting locals and visitors alike to explore the stunning alpine scenery. This transition into milder weather is a precursor to the warmer months ahead, showcasing a remarkable shift from the bitter cold of early winter to the refreshing embrace of late spring.
In May, Fiesch, Switzerland experiences a notable surge in precipitation, collecting 160 mm (6.3 in) over approximately 20 days of rain. This spike marks a continuation of the upward trend in moisture that begins building in March and peaks in June, creating a lush and vibrant landscape. The increase in rainy days compared to April's 13 days not only highlights the transition to summer but also signifies the importance of this month for replenishing local water sources. As the valley shakes off the lingering chill of winter, May's rain is both a blessing and an essential precursor to the verdant growth that characterizes the Swiss Alps in the warmer months.
As spring transitions into summer, Fiesch experiences a steady decline in humidity, reaching 80% in May. This marks a notable reduction from the 92% humidity recorded in January, indicating a gradual shift towards drier conditions as the year progresses. The trend continues into June and July, where humidity levels hover around 82% and 83% respectively, offering a refreshing respite from the winter months. This seasonal variation suggests that May serves as a transitional month, where milder temperatures pair with lower humidity, creating an inviting atmosphere ideal for outdoor activities amidst the stunning Swiss landscape. As summer approaches, residents and visitors alike can enjoy the pleasant combination of warmth and relative dryness.
As spring transitions into summer in Fiesch, Switzerland, the UV Index shows a notable increase in intensity. By May, the UV Index peaks at 10, classified as very high, which significantly reduces burn time to just 15 minutes. This trend reflects the gradual escalation from a moderate exposure category in January and February to a high risk in March and April, ultimately leading to extreme levels in June. As sun-seekers and outdoor enthusiasts prepare for May, it's crucial to be vigilant about sun safety and protective measures. To learn more about the UV Index for this picturesque region, visit Fiesch UV Index.
UV Risk Categories
In Fiesch, Switzerland, the arrival of May brings a delightful surge in sunshine, with the month basking in 362 hours of radiant light. This is a noticeable leap from the preceding months, showcasing a steady upward trend in daylight as winter fades away. Beginning with 179 hours in January and gradually climbing to 346 hours by April, May's generous sunshine signals a vibrant atmosphere, a prelude to the sunny peak of summer in June with 389 hours. Such a progression not only illuminates the stunning landscapes but also invites outdoor enthusiasts to soak in the beauty of the Swiss Alps as flora begins to blossom and life returns to the mountains. The month stands out as a reminder of nature's transition and the joyful embrace of brighter days ahead.
In Fiesch, Switzerland, the likelihood of sunny weather experiences notable fluctuations throughout the year, with May witnessing a 22% chance of sunshine. This figure represents a decline from the sunniest months earlier in the year, with March peaking at 36% and April moderately high at 35%. Following May, the chance of sun dips further into late spring and summer, highlighting a trend where sunny days become less likely as the warmer months progress, peaking again in August with 28%. This pattern suggests that while May offers a refreshing transition towards summer, prospective visitors should still brace for occasional overcast skies.
In Fiesch, Switzerland, the transition into spring and summer is marked by a remarkable increase in daylight hours. Starting from 9 hours in January, the days gradually lengthen, reaching 15 hours in both May and June. This peak provides ample opportunity to explore the stunning alpine scenery. As summer progresses into August, daylight begins to wane slightly, offering 14 hours of sunlight, before dipping to 12 hours in September. The gradual descent continues into autumn, with daylight dropping to 10 hours in October and returning to 9 hours by November. This clear trend highlights Fiesch's enchanting shift from the cozy winter months to the vibrant, sun-soaked days of late spring and early summer, inviting residents and visitors alike to savor the beauty of the outdoors.
In Fiesch, Switzerland, the May winds offer a gentle caress, with an average speed of 1.5 m/s (3 mph), mirroring the calm breezes of the preceding months. This tranquility is emblematic of the transition into summer, as the wind speeds remain consistent from April through June, suggesting a period of stability in the region's weather. Notably, this slight increase in winds compared to the winter months provides a refreshing contrast, enhancing the allure of outdoor activities in the picturesque Alps. As the year progresses into the warmer months, one can expect the breezes to gradually diminish, making May a serene and inviting time to experience the beauty of Fiesch.
Weather in Fiesch varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Fiesch, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing May and January weather reveals significant differences in temperature and other conditions. In January, temperatures can drop as low as -24°C (-10°F), with an average of -10°C (14°F) and a maximum of 4°C (39°F). In contrast, May sees much milder temperatures, ranging from a minimum of -11°C (13°F) to an average of 2°C (36°F) and reaching highs of 15°C (59°F). Additionally, January experiences slightly less precipitation (155 mm over 12 days) compared to May's 160 mm spread over 20 days. Humidity levels are also higher in January at 92%, while May has a relative humidity of 80%. For a closer look at January's weather, you can check Fiesch weather in January.
Comparing the weather in May and February reveals notable differences that characterize the transition from winter to spring. In May, temperatures rise significantly, with a minimum of -11°C (13°F), an average of 2°C (36°F), and a maximum reaching 15°C (59°F). In contrast, February is much colder, featuring a minimum of -25°C (-13°F), an average of -8°C (19°F), and a maximum of only 6°C (43°F). Furthermore, May experiences higher precipitation, with 160 mm (6.3 in) over 20 days, compared to February’s 100 mm (4.0 in) across 13 days. Despite May's increased rainfall, February boasts a higher humidity level at 89%, compared to May's 80%. For more details on February weather, visit Fiesch weather in February.
When comparing the weather in May and March, it is clear that May is significantly milder, with average temperatures rising from a frosty March maximum of 8°C (47°F) to a comfortable 15°C (59°F). In March, the minimum temperature plunges to a frigid -25°C (-13°F), while May's lowest point is a relatively bearable -11°C (13°F). Although March sees slightly less precipitation at 138 mm (5.4 in) over 15 days compared to May's 160 mm (6.3 in) over 20 days, the higher humidity in March at 87% adds to the chill. For a more detailed look at March weather, check out this link: Fiesch weather in March.
In comparing the weather between April and May, we can see a noticeable warming trend. May typically features a minimum temperature of -11°C (13°F) and an average of 2°C (36°F), soaring to a maximum of 15°C (59°F), while April experiences cooler temperatures with a minimum of -18°C (-1°F) and an average of -2°C (29°F), peaking at 10°C (50°F). Precipitation is more prevalent in May, with 160 mm (6.3 in) over 20 days, compared to April's 118 mm (4.6 in) across 13 days. Humidity is slightly lower in May at 80%, while April maintains a higher level at 84%. For more detailed insights on April's weather specifics, you can check Fiesch weather in April.
May and June present a notable transition in weather patterns. In May, temperatures range from a chilly minimum of -11°C (13°F) to a maximum of 15°C (59°F), with an average of just 2°C (36°F). The month is characterized by significant precipitation of 160 mm (6.3 in) over 20 days, contributing to a high humidity of 80%. In contrast, June sees a warmer climate, with temperatures ranging from -4°C (26°F) to a pleasant maximum of 25°C (76°F) and an average of 8°C (46°F). While June has slightly higher precipitation at 201 mm (7.9 in) across 19 days, humidity increases slightly to 82%. This comparison highlights how June generally offers more favorable temperature conditions, despite the similar frequency of rainfall. For more details on June weather, check out Fiesch weather in June.
In comparing the weather between May and July, it is evident that July experiences milder temperatures, with averages rising from May's chilly 2°C (36°F) to a more comfortable 10°C (50°F). The maximum temperatures in July also reach a pleasant 22°C (73°F), compared to May's highest of 15°C (59°F). However, July does see increased precipitation, totaling 223 mm (8.8 in) over 23 days, compared to May's 160 mm (6.3 in) over 20 days. Additionally, humidity remains relatively high in both months, slightly increasing from 80% in May to 83% in July, contributing to a muggy feel during the summer month. For a detailed look at July weather in Fiesch, you can visit Fiesch weather in July.
In May, the weather is characterized by cool temperatures, with a minimum of -11°C (13°F) and an average of 2°C (36°F), peaking at a maximum of 15°C (59°F). Precipitation is significant, with around 160 mm (6.3 in) falling over 20 days, all accompanied by high humidity levels of 80%. In contrast, August presents a more temperate climate, featuring warmer temperatures ranging from a minimum of -1°C (30°F) to an average of 9°C (49°F) and a maximum of 20°C (69°F). The month sees increased total rainfall, measuring 239 mm (9.4 in) over 21 days, while still maintaining a consistent humidity level of 80%. For a more detailed look at the weather in August, you can check out Fiesch weather in August.
In May, temperatures begin to rise, ranging from a chilly minimum of -11°C (13°F) to a more pleasant average of 2°C (36°F) and a maximum of 15°C (59°F). However, this month is also marked by significant precipitation, with 160 mm (6.3 in) falling over about 20 days, coupled with high humidity at 80%. In contrast, September sees temperatures that start to feel more moderate, with a minimum of -10°C (14°F), an average of 6°C (42°F), and a maximum of 18°C (64°F). Precipitation is somewhat lower at 134 mm (5.3 in), occurring over 16 days, and humidity rises slightly to 83%. For more details on September weather, check out Fiesch weather in September.
In comparing the weather of May and October, we notice some notable differences and similarities. May typically sees milder temperatures, ranging from a minimum of -11°C (13°F) to a maximum of 15°C (59°F), with an average of 2°C (36°F). In contrast, October experiences slightly cooler conditions, with temperatures shifting to a minimum of -13°C (9°F), an average of 1°C (34°F), and a maximum of 13°C (55°F).
When it comes to precipitation, October is notably wetter, receiving 213 mm (8.4 in) over 14 days, compared to May's 160 mm (6.3 in) spread across 20 days. The humidity is also higher in October at 90%, while May sits at 80%. For more detailed insights, you can refer to this link: Fiesch weather in October.
May and November present contrasting weather conditions, with May generally milder and more temperate. In May, temperatures range from a minimum of -11°C (13°F) to a maximum of 15°C (59°F), with an average of 2°C (36°F) and notable precipitation of 160 mm (6.3 in) spread over 20 days, leading to a humidity of 80%. In comparison, November is significantly colder, featuring temperatures that dip as low as -21°C (-6°F) and only reach a maximum of 9°C (48°F), averaging -5°C (24°F). Although precipitation is slightly lower at 137 mm (5.4 in) over 16 days, the humidity remains high at 88%. For those interested in more specific details, you can check out the Fiesch weather in November.
May and December present contrasting weather patterns, showcasing the transition from spring to winter. In May, temperatures range from a chilly minimum of -11°C (13°F) to a more moderate maximum of 15°C (59°F), with an average of 2°C (36°F). The month experiences about 160 mm (6.3 in) of precipitation over 20 days, coupled with a humidity level of 80%. Conversely, December is significantly colder, with temperatures dipping to a minimum of -22°C (-8°F) and an average of -9°C (17°F), only reaching a maximum of 3°C (37°F). Precipitation is higher in December at 212 mm (8.3 in) over 19 days, while humidity rises to 90%. For specific details about December weather, you can check out Fiesch weather in December.
As May unfolds in Fiesch, the weather begins to show notable shifts compared to the preceding months. Temperatures gradually warm up, marking a departure from the chill of winter, yet still punctuated by occasional cold snaps. With average highs reaching 15°C and lows dipping down to -11°C, the climate exhibits a significant contrast to the milder temperatures of summer. Additionally, May is marked by increased precipitation, with about 20 rainy days adding to the overall humidity level that hovers around a substantial 80%. This blend of coolness and dampness creates a unique spring atmosphere, welcoming the rejuvenation of nature and preparing the landscape for the balmy days ahead. For a deeper insight into Fiesch's weather patterns, be sure to check out Fiesch Climate.