Last updated: August 27, 2025
Experience the allure of Porrentruy, Switzerland in May, where temperatures gracefully soar to a maximum of 30°C (85°F), making it the perfect time for outdoor activities. The month showcases an average temperature of 13°C (56°F), while thrill-seekers must be prepared for the occasional chill, as lows can dip to 0°C (32°F). May brings with it a generous 144 mm (5.7 in) of precipitation spread over 17 days, adding a refreshing touch to the vibrant landscape. With a humidity level of 80%, this period is ideal for those who enjoy the lush, green vistas that spring has to offer. Whether you’re exploring local attractions or savoring the serene beauty of nature, Porrentruy in May is an enchanting destination.
In May, Porrentruy, Switzerland, witnesses a striking transformation as winter yields to spring. With minimum temperatures starting around 0°C (32°F) and averaging 13°C (56°F), the warmth becomes increasingly inviting. The maximum temperatures can rise to a pleasant 30°C (85°F), marking a significant leap from the cooler months of April and March. This transition not only signals the arrival of milder weather but also sets the stage for vibrant blooms and outdoor activities. As the days grow longer and sunnier, Porrentruy emerges from its winter slumber, showcasing the beauty and energy of spring in full swing.
May brings a noticeable uptick in precipitation in Porrentruy, Switzerland, with an average rainfall of 144 mm (5.7 in) spread across 17 days. This surge follows a relatively drier April, emphasizing May’s role as a transitional month where spring showers become more prominent. The abundance of rainfall not only marks the highest total for the year so far but also sets the stage for lush greenery as the landscape awakens from winter's slumber. Notably, the increase in rainy days in May contributes to a vibrant and thriving ecosystem, showcasing nature's resilience and beauty as summer approaches.
As spring transitions into summer in Porrentruy, Switzerland, May showcases a noticeable decline in humidity, dipping to 80%—the lowest level since January. This gradual decrease throughout the season highlights a shift from the heavier, moisture-laden air of winter months, where humidity peaks at 91% in January, to a more breathable environment as summer approaches. Following May, humidity levels begin to inch up again to 82% in June and July, suggesting that while warmth arrives with summer, the air retains a comfortable balance. Overall, this pattern signifies a welcoming shift towards drier days, inviting residents and visitors alike to enjoy the beauty of spring in Porrentruy.
As spring transitions to summer, May in Porrentruy brings a notable surge in the UV Index, reaching a striking 8, which falls into the very high exposure category. This indicates a significant shift from the moderate levels seen earlier in the year, where the UV Index hovered around 3 to 6 from January to April. With a burn time of just 15 minutes, May serves as a reminder to take sun safety seriously, as sunburn risk escalates rapidly. The sharp increase in UV intensity not only highlights the changing seasons but also underscores the importance of sun precautions ahead of the peak summer months. For more details on UV trends throughout the year, be sure to check the comprehensive guide at Porrentruy UV Index.
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As the warmer months approach, Porrentruy, Switzerland transforms under the gradual embrace of sunlight. In May, the region basked in 370 hours of sunshine, marking a delightful increase from the 354 hours seen in April. This upward trend continues into the summer, with June and July surpassing May, showcasing 402 and 416 hours of sunshine, respectively. After the long winter months, which offered only 134 hours in January, the gradual ascent is a promise of longer, brighter days ahead. As the seasons shift, the sun's radiant presence in Porrentruy serves not only to brighten the landscape but also to invigorate the spirit of its residents.
In Porrentruy, Switzerland, the likelihood of sunny weather sees a notable shift as spring progresses toward summer. January begins the year with a mere 17% chance of sunshine, gradually rising to 54% by April. However, May experiences a dip, with sunny conditions expected only 32% of the time, marking a contrast to the previous month. This trend continues into June, which also holds a 32% likelihood of sunshine. Interestingly, although the sunniness peaks in the summer months, July and August only provide a slight increase to 40% and 39%, respectively. As the year moves toward autumn, the chances of sun rise again in September to 44%, suggesting that while May may not be the sunniest month, the overall seasonal patterns indicate a fluctuating yet hopeful return of brighter days in the months that follow.
In Porrentruy, Switzerland, daylight duration experiences a remarkable transformation throughout the year, revealing a distinct seasonal trend. Starting from a modest 8 hours in January, the days gradually lengthen, reaching 15 hours by the sunlit month of May. This increase not only heralds the arrival of warmer weather but also creates an inviting atmosphere for outdoor activities. Following May, daylight remains steady at 15 hours through June and July, before gently tapering off as autumn approaches. By September, the days shorten to 12 hours, leading to a further decline into the winter months, where daylight dips back to 8 hours by December. This rhythmic dance of daylight underscores the beauty of Porrentruy's seasons, inviting both residents and visitors to savor the sun's embrace during its peak in spring and summer.
In Porrentruy, Switzerland, the winds begin to gently stir in May, with an average speed of 3.2 m/s (7 mph), marking a notable increase from the previous months. This upward trend signals the transition into late spring, where the breezes become slightly more invigorating compared to April’s calm of 2.6 m/s (6 mph). Interestingly, as the year progresses, particularly into the summer months, wind speeds take a dip, reaching their lowest in June at 1.9 m/s (4 mph). However, the month of May stands out as a refreshing reminder of the lively winds that characterize this season, making it a delightful time for outdoor activities amidst the blossoming landscapes of Porrentruy.
Weather in Porrentruy varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Porrentruy, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather patterns. May boasts a wide temperature range with lows around 0°C (32°F) and highs peaking at 30°C (85°F), leading to an average of 13°C (56°F). In contrast, January features much colder conditions, with averages hovering around 1°C (34°F) and maximum temperatures only reaching 14°C (58°F). Precipitation in May is higher at 144 mm (5.7 in) over 17 days, compared to January's 113 mm (4.4 in) across 13 days. Additionally, humidity levels are elevated in January at 91%, surpassing May's 80%. For more details on January conditions, you can visit Porrentruy weather in January.
May and February present stark contrasts in weather. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 30°C (85°F), with an average temperature of 13°C (56°F). This month experiences significant rainfall, totaling 144 mm (5.7 in) over approximately 17 days, combined with a humidity level of 80%. In contrast, February is much colder, with temperatures dropping to a minimum of -13°C (9°F) and reaching a maximum of 18°C (64°F), averaging around 4°C (39°F). The total precipitation for February stands at 95 mm (3.7 in) over 12 days, and the humidity is slightly higher at 89%. For more detailed information, you can check out Porrentruy weather in February.
In comparing the weather of May and March, it is evident that May experiences significantly milder temperatures, with a minimum of 0°C (32°F) and an average of 13°C (56°F), compared to March's lower range of -12°C (10°F) minimum and an average of 6°C (43°F). Although both months receive a fair amount of precipitation—144 mm (5.7 in) in May and 108 mm (4.2 in) in March—May has slightly more rainy days, totaling 17, while March has 15. Additionally, humidity levels remain high in both months, with March at 87% and May slightly lower at 80%, indicating a more humid experience in early spring. For a closer look at March's weather specifics, you can check Porrentruy weather in March.
In comparing the weather of May and April, we can see notable differences in temperature, precipitation, and humidity levels. May experiences a wider temperature range, with minimums around 0°C (32°F) and maximums reaching up to 30°C (85°F), leading to an average of 13°C (56°F). In contrast, April has cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 26°C (79°F), resulting in a lower average of 10°C (50°F).
Precipitation is also significantly higher in May, totaling 144 mm (5.7 in) over 17 days, compared to April's 63 mm (2.5 in) over just 10 days. Despite the increased rainfall in May, the humidity levels are slightly lower at 80% compared to April's 84%. For more detailed insights, you can check out Porrentruy weather in April.
In May, the weather is characterized by a broader temperature range, with minimums dipping to 0°C (32°F) and maximums reaching up to 30°C (85°F). This month also experiences significant precipitation, totaling 144 mm (5.7 in) over 17 days, alongside a humidity level of 80%. In contrast, June brings warmer temperatures with an average of 18°C (65°F) and a maximum of 34°C (93°F), although the minimum temperature increases to 5°C (41°F). Precipitation slightly decreases to 126 mm (5.0 in) over 16 days, while humidity rises to 82%. For more detailed information, you can check out Porrentruy weather in June.
In May, the weather is characterized by a broader temperature range, with temperatures varying from a chilly 0°C (32°F) at night to a warm 30°C (85°F) during the day, averaging around 13°C (56°F). This month also sees considerable rainfall, totaling 144 mm (5.7 in) over 17 days, accompanied by a high humidity level of 80%.
In contrast, July experiences milder nights with temperatures starting at a minimum of 8°C (46°F) and reaching up to a sizzling 36°C (97°F) during the day, averaging around 20°C (67°F). Precipitation drops to 115 mm (4.5 in) over just 14 days, while humidity increases slightly to 82%.
Overall, July offers warmer temperatures and slightly less rainfall compared to May, making it a more conducive time for outdoor activities. For more detailed insights, you can check Porrentruy weather in July.
May and August present quite different weather experiences. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (85°F) during the day, with an average of 13°C (56°F). The month sees considerable precipitation, with 144 mm (5.7 in) falling over 17 days, contributing to a high humidity level of 80%. In contrast, August offers milder nights with a minimum temperature of 6°C (43°F) and hotter days peaking at 35°C (95°F), averaging 19°C (67°F). Precipitation is lower in August at 110 mm (4.3 in) across 15 days and humidity drops slightly to 77%. For a closer look at August weather, check out Porrentruy weather in August.
May and September share some similarities in temperature, with both months experiencing maximums around 30°C (85°F) to 30°C (86°F). However, May tends to be more unpredictable, boasting a wider range of temperatures (with a minimum of 0°C) and significantly higher precipitation at 144 mm over 17 days, compared to September's more stable conditions with only 72 mm of rain over 10 days. Humidity remains relatively high in both months, with May at 80% and September at 81%. For a deeper look into the September climate, check out Porrentruy weather in September.
May and October present contrasting weather patterns, reflecting the transition from spring to autumn. In May, temperatures fluctuate between a chilly 0°C (32°F) and a cozy 30°C (85°F), with an average of 13°C (56°F). This month sees a decent amount of rainfall, totaling 144 mm (5.7 in) over 17 days, and humidity levels hovering around 80%. In contrast, October experiences cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 24°C (75°F), averaging at 10°C (51°F). Precipitation decreases to 100 mm (3.9 in) across 13 days, but humidity rises to 89%, creating a distinctly crisp atmosphere. For more information on specific October weather patterns, check out Porrentruy weather in October.
May and November present strikingly different weather conditions. In May, temperatures can range from a chilly 0°C (32°F) to a warm 30°C (85°F), with an average temperature of 13°C (56°F), which brings a vibrant and refreshing spring atmosphere. The month experiences 144 mm (5.7 in) of precipitation over 17 days, contributing to a high humidity level of 80%.
In contrast, November can be quite brisk, with temperatures falling between -3°C (26°F) and 20°C (68°F), resulting in a much cooler average of 5°C (41°F). This month sees less rainfall, with 88 mm (3.4 in) of precipitation over 13 days, while humidity increases slightly to 89%. For more details on what to expect, check out Porrentruy weather in November.
In May, Porrentruy experiences a more temperate climate with average temperatures around 13°C (56°F) and maximums reaching up to 30°C (85°F). This month sees a fair amount of rainfall, with approximately 144 mm (5.7 in) falling over 17 days, complemented by a humidity level of 80%. In contrast, December brings colder conditions, with temperatures averaging only 3°C (37°F), peaking at a maximum of 13°C (57°F) and plunging to a minimum of -7°C (20°F). With a slightly higher total precipitation of 157 mm (6.2 in) across 20 days, December also holds a higher humidity at 91%. For more detailed insights, check out Porrentruy weather in December.
As May unfolds in Porrentruy, the weather marks a delightful transition from the lingering chill of winter to the warmth of summer. The average temperature rises to a comfortable 13°C, allowing residents and visitors to enjoy more outdoor activities. However, May is also known for its occasional rain, with 17 days experiencing precipitation, contributing to the region's lush greenery. The 80% humidity can make the warmer days feel more sultry, contrasting sharply with the cooler months. While the potential for temperatures reaching as high as 30°C invites sun-seekers, the monthly rain ensures that nature remains vibrant and lively. For a deeper insight into Porrentruy's weather patterns throughout the year, be sure to check out Porrentruy Climate.