Last updated: August 27, 2025
In May, Solothurn, Switzerland experiences a delightful mix of spring weather, with maximum temperatures reaching 29°C (85°F), while the average settles around a comfortable 13°C (55°F). However, the month can also surprise with cooler nights, dipping to a minimum of -1°C (31°F). Despite this warmth, residents should be prepared for regular showers, as 149 mm (5.9 in) of precipitation falls over approximately 18 days, leading to an overall humidity level of 80%. This vibrant climate fosters lush landscapes and invigorating outdoor activities, making May a captivating time to explore the beauty of Solothurn.
May in Solothurn, Switzerland marks a delightful transition into warmer weather, characterized by a notable rise in temperatures that invite outdoor exploration. With minimum temperatures averaging around -1°C (31°F), the city begins to shed its winter chill, while daytime highs climb to a balmy 29°C (85°F). The average temperature of 13°C (55°F) sets a pleasant tone for the month, making it an ideal time to enjoy the blossoming landscapes. As spring moves forward, the dramatic increase in warmth not only enhances the appeal of local attractions but also encourages a variety of outdoor activities, from leisurely strolls in scenic parks to vibrant festivals celebrating the season’s arrival. Overall, May epitomizes the charm of Solothurn as it awakens from its winter slumber, embracing the promise of summer.
May in Solothurn, Switzerland, stands out as a month of significant transformation, marked by a notable surge in precipitation. With 149 mm (5.9 in) of rainfall over 18 days, May experiences the heaviest showers compared to other months, signaling a shift from the milder, drier conditions of April. This increase in moisture not only revitalizes the lush landscapes surrounding the city but also serves as a precursor to the summer months when rain remains abundant. The pattern of precipitation continues into June, yet May distinctly captures a peak that underscores its importance in the seasonal cycle, showcasing the dynamic weather that characterizes this vibrant Swiss locale.
In May, the humidity in Solothurn, Switzerland begins to show a noticeable decline, dropping to 80% from its earlier peaks in the winter months. This reduction marks a shift towards drier conditions, following April's 84%, as the region transitions into the warm summer months. As the year progresses, humidity levels remain relatively stable in June and July at 82%, yet they begin to dip further in August to 77%, signaling the onset of late summer. Overall, May stands out as a pivotal month where the lingering chill of spring gives way to a more comfortable, moderate humidity that hints at the pleasant warmth of the approaching summer season.
As the sunny month of May approaches in Solothurn, Switzerland, outdoor enthusiasts should be prepared for a significant rise in sun intensity, marked by a striking UV Index of 8—classified as very high. This sharp increase from April signals a notable change in exposure risks, as burn time decreases to just 15 minutes. It's a trend that highlights the importance of sun protection, particularly as the days become longer and warmer. Following the patterns established earlier in the year, May's UV levels offer a vivid reminder that the sun's rays can be deceptively potent, requiring vigilant precautions for safe outdoor activities. Whether lounging in a park or exploring the beautiful surroundings, taking protective measures is essential during this time. For more detailed information on the UV Index throughout the year, check out Solothurn UV Index.
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As May unfolds in Solothurn, Switzerland, the city basks in the embrace of increasing sunshine, with an impressive 370 hours of radiant daylight. This vibrant month marks a significant leap from the 357 hours experienced in April, showcasing the clear transition into the sunnier days of late spring. The trend continues as June promises even brighter moments, with 388 hours of sunshine on the horizon. It's a time when the lush landscapes of Solothurn come alive under the sun’s nurturing glow, inviting both locals and visitors to revel in outdoor activities and the picturesque charm of the region. This progressive rise in sunlight not only enhances the beauty of the surroundings but also uplifts the spirit, making May a delightful prelude to the long, sun-drenched days of summer ahead.
As spring blossoms into summer, Solothurn, Switzerland, experiences a shifting landscape of sunshine probabilities. May presents a unique challenge for sun-seekers, with a 32% chance of sunny weather—markedly lower than the 49% seen in April. This change suggests that while the longer days of spring are upon us, May often retains a cloudy disposition as it transitions into the warmer months. Following May, the likelihood of sun appears to stabilize slightly at 31% in June before rising again in July. As such, those planning outdoor activities in May should be prepared for a mix of sun and clouds, appreciating the gradual tilt towards sunnier days just ahead.
In Solothurn, Switzerland, the progression of daylight hours throughout the year reveals a beautiful pattern of increasing sunlight. Starting at a modest 8 hours in January, the days gradually lengthen, offering more natural light as spring approaches. By March, daylight extends to 11 hours, and April sees a notable jump to 13 hours, heralding the vibrant colors of spring. May shines brightly, bringing in a delightful 15 hours of daylight, a peak that remains steady through June and July, perfect for outdoor activities. As summer wanes, a gentle decline begins; daylight decreases to 14 hours in August and to 12 hours in September. The cycle continues with shorter days as autumn sets in, returning to 10 hours by October, and then dwindling again to 8 hours in December. This rhythm not only marks the changing seasons but also enriches the local experience, inviting residents and visitors alike to savor the evolving daylight.
In May, the winds in Solothurn, Switzerland pick up slightly, averaging 2.7 m/s (6 mph), a refreshing hint of spring that contrasts with the calmer winter months. This gentle increase from April's consistent 2.3 m/s represents the beginning of a transitional period, as the region sees a gradual surge in wind speed leading into the warmer summer months. Following May, winds begin to drop in June, plummeting to 1.6 m/s (4 mph), suggesting that the summer brings a more tranquil atmosphere. Overall, May serves as a pivotal point where the interplay between the lively spring breezes and the approaching summer stillness begins to unfold, making it a delightful time to enjoy the outdoors in Solothurn.
Weather in Solothurn varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Solothurn, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather conditions of May and January, there is a stark contrast in temperatures and precipitation. May sees a much broader temperature range, with minimums at -1°C (31°F) and maximums reaching 29°C (85°F), while January is much colder, with minimums plummeting to -13°C (9°F) and a maximum of only 16°C (61°F). Additionally, May experiences more rainfall, totaling 149 mm (5.9 in) over 18 days, compared to January's 97 mm (3.8 in) over 13 days, despite January's higher humidity at 91%. For more details on January weather specifically, you can visit Solothurn weather in January.
May and February present notably contrasting weather patterns. May enjoys a milder temperature range, with minimums around -1°C (31°F), averages of 13°C (55°F), and maximums soaring up to 29°C (85°F). In contrast, February is much colder, with minimums plummeting to -11°C (13°F) and average temperatures only reaching 3°C (38°F). Both months experience precipitation, but May sees significantly more rainfall (149 mm or 5.9 in) spread over 18 days, while February receives less at 80 mm (3.1 in) over 12 days. Humidity levels are relatively high in both months, with February slightly higher at 89% compared to May's 80%. For a more detailed look at February weather, check out Solothurn weather in February.
When comparing the weather in May and March, there are notable differences in both temperature and precipitation. May typically showcases a range with temperatures varying from a chilly -1°C (31°F) at night to a warm 29°C (85°F) during the day, with an average of 13°C (55°F). In contrast, March experiences much lower temperatures, with a minimum of -13°C (9°F), an average of 6°C (42°F), and a maximum of 21°C (69°F). While both months see precipitation, March receives a moderate amount at 97 mm (3.8 in) over 16 days, while May has a higher total of 149 mm (5.9 in) over 18 days. Humidity levels are also similar, with March at 87% and May at 80%. For more insight into March weather patterns, you can visit Solothurn weather in March.
When comparing the weather in May and April, we see a notable increase in temperatures and precipitation. May experiences a broader temperature range, with minimums dropping to -1°C (31°F), average temperatures reaching 13°C (55°F), and maximums peaking at 29°C (85°F). In contrast, April records lower temperatures with a minimum of -4°C (24°F), an average of 9°C (49°F), and a maximum of 25°C (78°F).
In terms of precipitation, May is considerably wetter, accumulating 149 mm (5.9 in) over 18 days, compared to April's 69 mm (2.7 in) over just 12 days. Despite May's higher humidity at 80%, April's levels also remain notable at 84%. For more detailed information about April weather, you can visit Solothurn weather in April.
May and June both bring a mix of temperatures and precipitation, but June tends to warm up significantly. In May, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 29°C (85°F), with an average of 13°C (55°F). The month sees about 149 mm (5.9 in) of precipitation over 18 days, along with a high humidity level of 80%. In contrast, June experiences a minimum temperature of 5°C (41°F) and peaks at a warm 34°C (93°F), averaging 18°C (65°F). Precipitation slightly decreases to 134 mm (5.3 in) over 17 days, with humidity rising marginally to 82%. For a more detailed look at the weather in June, you can visit Solothurn weather in June.
In May, the weather is characterized by a broader temperature range, with minimums dipping as low as -1°C (31°F) and maximums reaching up to 29°C (85°F). The month experiences an average temperature of 13°C (55°F) and significant rainfall, totaling 149 mm (5.9 in) across 18 days, coupled with high humidity at 80%. In contrast, July offers warmer temperatures, with minimums starting at 8°C (47°F) and soaring to a maximum of 35°C (95°F), resulting in a more consistent average of 19°C (67°F). Rainfall is slightly less in July at 140 mm (5.5 in) over 15 days, and humidity remains high at 82%. For a detailed look at weather conditions in July, you can visit Solothurn weather in July.
May and August present quite different weather patterns. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 29°C (85°F), with an average of 13°C (55°F). The month experiences considerable precipitation, totaling 149 mm (5.9 in) over 18 rainy days and high humidity at 80%. In contrast, August sees a milder minimum temperature of 6°C (44°F) and warmer average and maximum temperatures of 19°C (66°F) and 33°C (91°F), respectively. The precipitation is slightly lower at 145 mm (5.7 in) spread over 17 days, and humidity decreases to 77%. For a detailed look at August weather, visit Solothurn weather in August.
May and September present notable contrasts in weather, even though both months share similar maximum temperatures, reaching around 29°C (85°F) in May and 29°C (84°F) in September. May experiences a wider temperature range, with minimums dipping to -1°C (31°F) and average temperatures around 13°C (55°F). In contrast, September starts warmer with a minimum of 2°C (35°F) and an average temperature of 15°C (59°F).
Precipitation levels also differ significantly; May sees 149 mm (5.9 in) over 18 days, resulting in a wetter environment, while September has a much lighter 77 mm (3.0 in) over only 12 days. Humidity levels are quite similar, with May at 80% and September slightly higher at 81%. For a more detailed look at September weather specifics, you can check Solothurn weather in September.
May and October present contrasting yet intriguing weather patterns. In May, temperatures can range from a chilly -1°C (31°F) at night to a warm 29°C (85°F) during the day, with an average of 13°C (55°F). This month sees about 149 mm (5.9 in) of precipitation over 18 days, coupled with a humidity level of 80%. In comparison, October offers cooler temperatures, with nighttime lows of -2°C (28°F) and daytime highs reaching 23°C (73°F), averaging around 10°C (50°F). Precipitation decreases to 102 mm (4.0 in) across 14 days, and the humidity rises slightly to 89%. For more detailed information, you can check Solothurn weather in October.
May and November showcase contrasting weather patterns, highlighting the transition from spring to late autumn. In May, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (85°F), with an average of 13°C (55°F). This month experiences significant precipitation, with about 149 mm (5.9 in) falling over 18 days, and humidity levels hovering around 80%. In contrast, November features cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 20°C (68°F), averaging just 4°C (40°F). The month is drier than May, with total precipitation at 79 mm (3.1 in) over 13 days, though the humidity is slightly higher at 89%. For more insights, check Solothurn weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of -1°C (31°F) to a maximum of 29°C (85°F), averaging a pleasant 13°C (55°F). However, this month also sees significant precipitation, totaling 149 mm (5.9 in) over 18 days, with humidity levels at 80%. In contrast, December experiences colder conditions, with temperatures dipping as low as -7°C (20°F) and averaging around 2°C (36°F). Although precipitation is slightly lower at 130 mm (5.1 in) over 19 days, the humidity spikes to 91%, creating a notably chillier and damp atmosphere. For more insights into December weather, visit Solothurn weather in December.
May in Solothurn signals a shift from the chill of winter, showcasing a refreshing blend of mild temperatures and increased humidity, making it a delightful month for outdoor activities. With average temperatures warming up considerably and sporadic rain, the city experiences a more vibrant and lively atmosphere compared to the earlier months. However, the occasional showers remind us that spring is still transitioning into summer. This dynamic weather invites both locals and visitors to enjoy the blooming nature, but don't forget to check the forecast and be prepared for unexpected rain. For further details on Solothurn's climate throughout the year, visit Solothurn Climate.