Last updated: August 27, 2025
In July, Basel, Switzerland, experiences a delightful summer climate, with maximum temperatures reaching up to 37°C (98°F) and an average of 20°C (68°F). Though the city enjoys warm days, evenings can be cooler, with minimum temperatures dipping to around 8°C (47°F). Rainfall is a notable aspect of this month, with 117 mm (4.6 in) of precipitation spread across approximately 14 days, resulting in a relatively high humidity level of 82%. Visitors and residents alike should prepare for a mix of sunny moments and occasional showers, making July a vibrant yet unpredictable time in this charming Swiss city.
In July, Basel, Switzerland, experiences a delightful warmth, with temperatures showing a marked rise compared to the earlier months. The minimum temperature starts at a comfortable 8°C (47°F), while the average climbs to a pleasant 20°C (68°F), and the maximum can soar to a sizzling 37°C (98°F). This upward trend reflects the mid-summer heat, making July one of the warmest months in Basel. The city buzzes with life as locals and visitors alike enjoy the sunshine, outdoor cafés, and vibrant festivals, all set against the backdrop of the stunning Swiss landscapes. As temperatures peak, July not only offers warmth but also invites a spirit of exploration and relaxation amid the picturesque surroundings.
In July, Basel experiences a notable shift in precipitation patterns, receiving 117 mm (4.6 in) of rain over 14 days. This abundant rainfall positions July as one of the wetter months, following a wet June, which saw 125 mm (4.9 in). Interestingly, while both months are marked by high precipitation, July's rain is slightly less than June's, suggesting a gradual tapering as summer unfolds. The consistency in rainy days throughout the month provides a refreshing contrast to the drier spells seen earlier in spring, especially April, which recorded only 62 mm (2.4 in) of rain. As the city transitions into August, the precipitation remains steady, inviting a lush, vibrant landscape that characterizes Basel's summer charm.
July in Basel, Switzerland, brings a moderate humidity level of 82%, aligning closely with the preceding month of June. As we progress through the warmer months, humidity generally experiences a gradual decline from May's 80% peak, dipping to August's more comfortable 77%. This trend suggests that while summer humidity can be noticeable, it's relatively stable and less oppressive than the high levels seen in the colder months, where humidity consistently hovers around 89% from October to February. Overall, July strikes a balance between comfort and moisture, making it an appealing time for outdoor activities amidst the steady summer warmth.
In July, Basel experiences its peak UV Index, consistently rated at 9, which falls under the very high exposure category. This means that sun protection is crucial as the potential for skin damage increases significantly, with a burn time of just 15 minutes for unprotected skin. This trend of elevated UV levels, starting from May and continuing through August, emphasizes the importance of vigilance during the summer months. If you're planning outdoor activities, it's wise to wear sunscreen, protective clothing, and seek shade whenever possible. For more detailed insights on sun exposure, check out Basel UV Index.
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In Basel, Switzerland, July shines as the brightest month of the year, basking in an impressive 413 hours of sunshine. This peak of luminosity captures the essence of summer, following a gradual ascent from the dimmer days of January, which brings only 136 hours of sunlight. As the seasons progress, the hours of sunshine steadily increase, with April and May offering a hint of warmth and brightness. June follows suit, further enriching the landscape with 389 hours before reaching the sun-kissed heights of July. As summer transitions into August, the sunlight gently wanes to 381 hours, signaling a slow return to the more moderate light of autumn. This pattern reveals not just the rhythm of the seasons in Basel, but also the anticipation and joy that summer brings to its residents and visitors alike.
In July, Basel, Switzerland, enjoys a moderate chance of sunny weather, with approximately 38% likelihood of clear skies. While this is an improvement compared to the winter months—where chances linger around 17% to 27%—July’s sun availability reflects a slight dip from the sunnier conditions of late spring. Interestingly, this summer month aligns closely with August, which sits at 39%, suggesting a consistent pattern of sunny potential as the season progresses. Overall, while July isn’t the sunniest month, it offers a reasonable chance for enjoying warm summer days amidst the picturesque landscapes of Basel.
In July, Basel, Switzerland basks in an abundance of sunlight, enjoying a whopping 15 hours of daylight each day. This peak duration mirrors the long, sun-soaked days of June, creating a vibrant and lively atmosphere perfect for exploring the city's picturesque landscapes and cultural offerings. As summer reaches its zenith, the daylight gradually begins to wane in August, ushering in a transitional phase that sees daylight decrease to 14 hours. This distinct pattern showcases the steady progression of seasons, with light gradually giving way to the cozy warmth of autumn, as daylight hours shift downward from the sunlit heights of July towards the softer tones of early fall.
In July, the winds in Basel, Switzerland, offer a gentle respite, with an average speed of 2.0 m/s (4 mph). This is part of a broader trend where summer months tend to feature notably lighter breezes, contrasting with the winds of the earlier months, which oscillate between 2.4 m/s to 2.8 m/s. As spring fades, the calmest winds are experienced in June, before picking up slightly in July. This mild wind pattern continues into August, suggesting that the warm summer air takes precedence over the brisk gusts characteristic of the autumn and winter months. Collectively, these figures not only highlight the serene summer atmosphere of Basel but also indicate a shift towards calmer conditions as the year progresses.
Weather in Basel varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Basel, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in July and January, there is a striking contrast in temperatures and overall conditions. July offers a warm climate with temperatures ranging from a minimum of 8°C (47°F) to a scorching maximum of 37°C (98°F), accompanied by an average temperature of 20°C (68°F). Precipitation is relatively high during this month, with around 117 mm (4.6 in) falling over 14 days and humidity reaching 82%. In contrast, January presents a much colder scenario, with temperatures dipping as low as -13°C (8°F) and peaking at 16°C (61°F), while the average temperature rests at a chilly 1°C (35°F). This month experiences slightly less precipitation at 94 mm (3.7 in) over 12 days, but the humidity is higher at 91%. For more detailed information, you can refer to Basel weather in January.
July and February present a stark contrast in weather characteristics. In July, temperatures range dramatically from a minimum of 8°C (47°F) to a scorching maximum of 37°C (98°F), with an average of 20°C (68°F). The month is characterized by high humidity at 82% and significant precipitation totaling 117 mm (4.6 in) over approximately 14 days. Conversely, February is much colder, seeing minimum temperatures plunge to -14°C (7°F) and a maximum of 18°C (65°F), with an average temperature of only 4°C (39°F). February also experiences lower precipitation at 77 mm (3.0 in) across about 12 days, but with a slightly higher humidity of 89%. For more insights into February's climate, you can visit Basel weather in February. The differences between the two months highlight the dramatic seasonal changes in weather patterns.
The weather in July contrasts significantly with that of March. In July, temperatures range from a minimum of 8°C (47°F) to a blistering maximum of 37°C (98°F), with an average of 20°C (68°F). In contrast, March experiences much cooler conditions, ranging from a minimum of -13°C (9°F) to a maximum of 21°C (71°F), with an average temperature of just 6°C (43°F). Additionally, July sees higher precipitation levels at 117 mm (4.6 in) over 14 days, while March has 91 mm (3.6 in) spread across 15 days. Humidity is similarly high in both months, with July at 82% and March at 87%. For more detailed information, you can check Basel weather in March.
In comparing the weather of July and April, July experiences a notably warmer temperature range, with minimums of 8°C and maximums soaring up to 37°C, averaging at 20°C. In contrast, April is much cooler, featuring a minimum temperature of -4°C and a maximum of 26°C, with an average of 10°C. While both months see ample precipitation—117 mm in July over 14 days versus 62 mm in April over 10 days—July's humidity is slightly lower at 82%, compared to April's 84%. For more detailed information, you can check Basel weather in April.
In comparing the weather between May and July, we see a notable shift in temperature and overall conditions. July boasts a wider temperature range, with minimums of 8°C (47°F) and maximums soaring up to 37°C (98°F), leading to an average of 20°C (68°F). In contrast, May experiences milder temperatures, ranging from a cool 0°C (32°F) to a maximum of 30°C (87°F), with an average of just 13°C (56°F). While both months experience considerable precipitation—with July seeing 117 mm (4.6 in) over 14 days and May receiving slightly more at 133 mm (5.2 in) over 17 days—July's humidity remains higher at 82% compared to May's 80%. For a more detailed look at May's weather patterns, you can visit Basel weather in May.
In comparing the weather of July and June, we see that both months experience relatively high levels of humidity at 82%. However, July tends to be warmer, with an average temperature of 20°C (68°F) and a maximum of 37°C (98°F), compared to June's average of 19°C (66°F) and a maximum of 34°C (94°F). Precipitation is slightly lower in July, totaling 117 mm (4.6 in) over 14 days, while June sees 125 mm (4.9 in) over 16 days. For more detailed information, you can check Basel weather in June.
In comparing the weather conditions of July and August, both months showcase a similar average temperature of 20°C (68°F), but with slight variances in their extremes. July experiences a wider temperature range, with minimums of 8°C (47°F) and maximums reaching up to 37°C (98°F), while August is cooler at a minimum of 6°C (43°F) and a maximum of 35°C (95°F). Precipitation levels are fairly consistent, with July seeing 117 mm (4.6 in) over 14 days and August slightly lower at 115 mm (4.5 in) across 15 days. Humidity also decreases in August to 77%, compared to July’s higher humidity of 82%. For more specific insights on August weather, you can check Basel weather in August.
In July, the weather is typically much warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 37°C (98°F) and an average of 20°C (68°F). This month also sees significant precipitation, accumulating to 117 mm (4.6 in) over about 14 days, while humidity levels remain high at 82%. In contrast, September experiences cooler temperatures, with a minimum of 1°C (35°F) and an average of 16°C (60°F), peaking at 30°C (86°F). Precipitation decreases to 67 mm (2.6 in) over 10 days, and humidity slightly drops to 81%. For more details on September weather, you can check Basel weather in September.
In July, temperatures in the region soar, with a minimum of 8°C (47°F) and a maximum that can reach up to 37°C (98°F), creating a warm average of 20°C (68°F). The month is marked by high humidity at 82% and significant precipitation of 117 mm (4.6 in) over about 14 days. In contrast, October brings a notable shift in weather, with cooler temperatures ranging from a minimum of -1°C (30°F) to a maximum of 24°C (76°F), resulting in a much lower average of 11°C (51°F). Although it is slightly less rainy with 92 mm (3.6 in) of precipitation over the same number of days, humidity rises to 89%, giving October a brisk, damp feel. For more detailed information on what to expect, check Basel weather in October.
July and November present stark contrasts in weather. In July, temperatures range from a mild 8°C (47°F) at night to a scorching 37°C (98°F) during the day, with average temperatures around 20°C (68°F). Humidity is relatively high at 82%, and the month experiences substantial rainfall, totaling 117 mm (4.6 in) over about 14 days. In comparison, November brings much cooler conditions, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 21°C (70°F) and an average of just 5°C (41°F). The precipitation is lower at 79 mm (3.1 in), occurring over 13 days, and humidity increases slightly to 89%. For more details on the weather, you can check Basel weather in November.
In July, temperatures in Basel can vary dramatically, ranging from a mild 8°C (47°F) to a scorching 37°C (98°F), averaging around 20°C (68°F). This month experiences significant rainfall, with about 117 mm (4.6 inches) of precipitation over approximately 14 days, alongside high humidity levels at 82%. In stark contrast, December brings much cooler weather, with temperatures dipping as low as -5°C (23°F) and averaging around 3°C (38°F), while peaking at a mere 14°C (57°F). This month also sees slightly higher precipitation at 129 mm (5.1 inches) spread over 19 days, coupled with an increased humidity of 91%. For a detailed look at what to expect, you can check out Basel weather in December.
July in Basel experiences a vibrant contrast to other months, characterized by warm temperatures and increased humidity. With maximums reaching up to 37°C (98°F), the city basks in summer’s warmth, inviting both locals and tourists to explore its charms. However, the month also brings occasional rainfall, contributing to a total precipitation of 117 mm (4.6 in) over about half the month, ensuring that the lush greenery remains vibrant. This blend of heat and moisture creates a unique ambiance that sets July apart, making it a lively time to enjoy outdoor activities and cultural festivities. For a deeper understanding of what to expect throughout the year, check out Basel Climate.