Last updated: August 27, 2025
Experience the July weather in Porrentruy, Switzerland, where warm summer days bring a delightful range of temperatures. With a maximum of 36°C (97°F) and an average of 20°C (67°F), residents and visitors can enjoy the outdoors, but be prepared for cooler nights, dipping to a minimum of 8°C (46°F). July also sees 115 mm (4.5 in) of rainfall spread across approximately 14 days, resulting in a humid average of 82%. This combination of warmth and moisture paints a vibrant picture of summer life in this picturesque Swiss town, making it an ideal month for exploring the region’s natural beauty.
In Porrentruy, Switzerland, July ushers in the heart of summer, boasting mild mornings with temperatures starting at a pleasant 8°C (46°F). As the day progresses, the warmth peaks with an impressive average of 20°C (67°F) and can soar to a sweltering 36°C (97°F). This month marks a significant rise from the cooler predecessor months, showcasing a transition that consistently elevates temperature averages. July is a time when sunshine dominates, offering a stark contrast to the winter chill, making it perfect for outdoor activities and exploration in the picturesque Swiss landscape.
In July, Porrentruy experiences a notable precipitation total of 115 mm (4.5 in), maintaining a steady rhythm in its summer rainfall. This month typically sees 14 days of rain, contributing to an overall wet climate that characterizes the season. Compared to June's 126 mm (5.0 in), July's totals slightly decrease, but they remain consistent with the surrounding months, reflecting a pattern of moderate summer moisture. This continuity in precipitation helps sustain the lush landscapes of the region, while also hinting at a shift towards drier conditions as the year progresses into August, which registers 110 mm (4.3 in). As the warmest weeks linger, this blend of rain and sun creates an inviting atmosphere for both locals and visitors alike.
In July, Porrentruy, Switzerland, experiences a humidity level of 82%, maintaining the same measure as the previous month. This indicates a slight retreat from the higher humidity peaks seen earlier in the year, where levels lingered around 91% in January and 89% in February. As the summer progresses, the humidity begins to decrease, paving the way for the 77% recorded in August. Overall, July marks a transition period; while still humid, it hints at the drier days ahead as the region shifts towards late summer. This pattern reflects a consistent seasonal trend, with humidity generally decreasing from the crisp, damp winter months to the warmer periods of summer.
In July, Porrentruy experiences one of its peak UV Index ratings at 9, categorizing it as very high and signaling a critical time for sun exposure awareness. With a burn time of just 15 minutes, residents and visitors alike should take precautions to protect their skin from harmful UV rays. This trend of elevated UV levels persists from June into July, reflecting the intense summer sun, while it begins to decline slightly in August with a UV Index of 8. This seasonal pattern underscores the importance of remaining vigilant during the summer months and highlights the need for effective sun protection strategies. For more information on UV Indexes throughout the year, visit Porrentruy UV Index.
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In July, Porrentruy basks in a delightful 416 hours of sunshine, marking the pinnacle of summer's glow. This vibrant month showcases a remarkable upward trend in sunshine hours, building from the 134 hours in January to a breathtaking peak in July. The gradual increase throughout the year highlights the transformation from the dreary winter months to the radiant warmth of summer. Following July, sunshine hours begin to gently decline, yet August still holds onto a generous 391 hours, maintaining the sunlit spirit as summer gracefully transitions into early autumn. With such a steady rise, July stands as a testament to the region's luminous summer days, inviting both residents and visitors to revel in the joy of the sun.
In Porrentruy, Switzerland, the likelihood of sunny days experiences a noticeable shift throughout the year. While January kicks off with a modest 17% chance of sunshine, the sun begins to make its presence felt as spring approaches, peaking in April at 54%. However, this tendency shifts in late spring, with May and June seeing a dip to 32%. As we reach July, the sunshine probability rises again to 40%, making it one of the more favorable months for enjoying clear skies. Although August slightly trails behind with a 39% chance, the overall trend suggests that summer in Porrentruy offers a refreshing escape from the gloomier months, inviting residents and visitors to bask in the warmth of the sun while making the most of the beautiful outdoors.
In Porrentruy, Switzerland, July shines brightly with 15 hours of daylight, maintaining the peak illumination established in the weeks prior. As spring gracefully transitions into summer, daylight duration escalates from a mere 8 hours in January to a vibrant 15 hours in both May and June. This seasonal crescendo not only highlights the longer days of summer but also offers a perfect backdrop for outdoor adventures and natural explorations. As August approaches, however, a gradual decline begins, marking the inevitability of autumn with 14 hours of daylight. This rhythmic ebb and flow of sunlight showcases the enchanting cycle of nature in this picturesque region, inviting residents and visitors alike to savor the long, warm days of summer while they last.
In July, Porrentruy experiences a mild breeze with an average wind speed of 2.2 m/s (5 mph). This represents a slight uptick from the gentle airflow in June, where the average dipped to a calm 1.9 m/s (4 mph), the lowest for the year. As summer reaches its peak, July's winds are softer than the spring months, which boasted speeds near 3.2 m/s (7 mph) in May. Overall, the trend shows a gradual easing of wind intensity as the summer progresses, creating a serene atmosphere that complements the warmth of the season.
Weather in Porrentruy varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Porrentruy, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January in Porrentruy present a stark contrast in weather patterns. July boasts a warm average temperature of 20°C (67°F), with highs reaching up to 36°C (97°F), while January experiences a much colder average of just 1°C (34°F), dipping as low as -13°C (8°F). Both months see similar levels of precipitation, with July slightly higher at 115 mm (4.5 in) and January at 113 mm (4.4 in), but the humidity in July (82%) is notably lower than January's 91%. For a closer look at January weather specifics, check out Porrentruy weather in January.
July and February present strikingly contrasting weather conditions. In July, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 36°C (97°F), with an average of 20°C (67°F). This month experiences significant precipitation of 115 mm (4.5 in) over approximately 14 days, alongside a humidity level of 82%. In contrast, February features much colder temperatures with a minimum of -13°C (9°F) and a maximum of 18°C (64°F), averaging around 4°C (39°F). It has slightly less precipitation at 95 mm (3.7 in) over 12 days, along with higher humidity at 89%. For more details on February weather, you can check Porrentruy weather in February.
When comparing the weather in July and March, it’s clear that the two months present strikingly different climates. July sees a significant increase in temperature, with averages around 20°C (67°F) and maximums reaching up to 36°C (97°F), while March features cooler temperatures, with a maximum of 21°C (70°F) but an average of only 6°C (43°F). Precipitation levels are somewhat similar, with July experiencing 115 mm (4.5 in) over 14 days, compared to March’s 108 mm (4.2 in) over 15 days. Humidity also remains high in both months, with July at 82% and March slightly higher at 87%. For more specific insights, you can check Porrentruy weather in March.
When comparing the weather in July and April, notable differences emerge in temperature and precipitation patterns. July typically experiences much warmer conditions, with minimum temperatures around 8°C (46°F) and averages peaking at 20°C (67°F), culminating in maximums reaching 36°C (97°F). In contrast, April showcases cooler temperatures, with a minimum of -4°C (25°F) and an average of 10°C (50°F), while the maximum can reach 26°C (79°F). Precipitation is more frequent in July, with about 115 mm (4.5 in) spread over 14 days, compared to April's lesser 63 mm (2.5 in) over 10 days. Humidity levels are slightly higher in July at 82%, while April sees a humidity level of 84%. For a deeper look at April's climate specifics, you can check out Porrentruy weather in April.
When comparing the weather in July and May, it's evident that July is significantly warmer, with average temperatures reaching 20°C (67°F) compared to May's cooler average of 13°C (56°F). While July boasts a maximum temperature of 36°C (97°F), May's peak reaches a much milder 30°C (85°F). Precipitation in May is slightly higher at 144 mm (5.7 in) over 17 days, compared to July's 115 mm (4.5 in) over 14 days. Both months experience high humidity, with July at 82% and May at 80%. For a more detailed look at May's weather, you can check Porrentruy weather in May.
In comparing the weather between June and July, both months exhibit high humidity levels of 82%, creating a consistently muggy atmosphere. However, July generally experiences warmer temperatures, with average highs reaching 36°C (97°F) compared to June's maximum of 34°C (93°F). While July boasts a higher average temperature of 20°C (67°F) against June's 18°C (65°F), it records slightly less rainfall, totaling 115 mm (4.5 in) over 14 days compared to June's 126 mm (5.0 in) over 16 days. For more detailed information, check out Porrentruy weather in June.
In comparing the weather of July and August, we see some subtle differences. July tends to have slightly warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching 36°C (97°F), while August cools down a bit, featuring a minimum of 6°C (43°F) and a maximum of 35°C (95°F). Both months experience considerable precipitation, with July receiving 115 mm (4.5 in) over 14 days and August slightly less at 110 mm (4.3 in) over 15 days. Additionally, humidity levels are higher in July at 82%, compared to August's 77%. For a detailed look at August weather, you can visit Porrentruy weather in August.
July and September present noticeably different weather patterns. In July, temperatures range from a minimum of 8°C (46°F) to a maximum of 36°C (97°F), with an average of 20°C (67°F). The month is also characterized by high humidity at 82% and significant rainfall, totaling 115 mm (4.5 inches) over about 14 days. In contrast, September brings cooler tones, with temperatures dropping to a minimum of 2°C (36°F) and an average of 15°C (60°F), peaking at 30°C (86°F). Precipitation decreases to 72 mm (2.8 inches) over approximately 10 days, while humidity remains relatively stable at 81%. For more detailed insights, you can check Porrentruy weather in September.
July and October exhibit contrasting weather patterns that highlight the transition from summer to autumn. In July, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 36°C (97°F), with an average of 20°C (67°F). This month experiences considerable precipitation, totaling 115 mm (4.5 in) over about 14 days, accompanied by high humidity at 82%. In contrast, October brings cooler temperatures, with a minimum of -1°C (31°F), an average of 10°C (51°F), and a maximum of 24°C (75°F). Precipitation slightly decreases to 100 mm (3.9 in) over 13 days, but humidity increases to 89%. For more details on October weather, check out Porrentruy weather in October.
In comparing the weather of July and November, one can see a stark contrast in temperatures and conditions. July boasts a broad temperature range, with minimums around 8°C (46°F) and maximums soaring to 36°C (97°F), while November cools down significantly, featuring temperatures that dip as low as -3°C (26°F) and peak at a milder 20°C (68°F). Precipitation in July is notable, with 115 mm (4.5 in) over 14 days, whereas November sees slightly less, with 88 mm (3.4 in) across 13 days. Humidity levels are also quite high, reaching 82% in July and climbing even higher to 89% in November. For more detailed information, you can explore Porrentruy weather in November.
July and December in Porrentruy present a stark contrast in weather. July boasts a warm average temperature of 20°C (67°F), with highs reaching up to 36°C (97°F) and a relatively humid environment at 82%. However, it also brings substantial precipitation, totaling 115 mm (4.5 in) over about 14 days. In contrast, December experiences much colder conditions, with an average temperature of just 3°C (37°F) and maximum temperatures peaking at 13°C (57°F). The month is marked by even higher precipitation, 157 mm (6.2 in) spread across 20 days, and a higher humidity level of 91%. To learn more about December weather specifics, you can check this link: Porrentruy weather in December.
July in Porrentruy offers a marked contrast to the cooler, wetter months that precede it. With warmer days reaching up to 36°C and balmy evenings, this month is characterized by a vibrant summer atmosphere. However, the increased humidity and occasional rainfall remind us that even summer can be unpredictable, with about half the days experiencing precipitation. This combination of warmth and moisture creates a lush, green backdrop, enticing visitors and locals alike to revel in the beauty of the season. For a deeper understanding of how July fits into the broader patterns of weather, explore Porrentruy Climate.