Last updated: August 27, 2025
June in Basel, Switzerland is characterized by a warm and fluctuating climate, where temperatures can peak at a sizzling 34°C (94°F), while averages hover around a comfortable 19°C (66°F). Evenings can be quite cool, dipping to a minimum of 5°C (42°F). The month also sees 125 mm (4.9 in) of precipitation across 16 days, contributing to a relatively high humidity level of 82%. Visitors can expect a mix of sunny spells and refreshing showers, making June a dynamic time to explore the picturesque city and its vibrant surroundings.
In June, Basel, Switzerland, experiences a delightful transition into summer, with temperatures reflecting the season's warmth. The minimum temperature rises to 5°C (42°F), while averages climb to a pleasant 19°C (66°F). Visitors can expect sunny days, as the maximum temperature can soar to a sizzling 34°C (94°F), making it one of the warmest months of the year. This sharp upward trend from the cooler spring months signals the vibrant energy of summer, perfect for outdoor activities and festivals, inviting locals and travelers alike to enjoy the city's scenic charm.
In June, Basel experiences a significant amount of rainfall, with 125 mm (4.9 in) of precipitation over 16 days. This continues the upward trend seen in May, where the city recorded its highest rainfall of the year at 133 mm (5.2 in). As spring transitions into summer, the frequency of rainy days remains relatively high, but the total precipitation slightly decreases compared to the previous month. This pattern suggests that while June retains the potential for frequent downpours, the overall precipitation may begin to stabilize as the warmer months approach. Visitors and residents alike should be prepared for both sun and sudden showers as the month unfolds.
In June, Basel experiences a notable shift in humidity, settling at a comfortable 82%. This marks a gentle decrease from the higher levels seen in the previous months, where January to May consistently showcased humidity values ranging from 80% to 91%. The relatively moderate June humidity signals a transition toward the drier summer months, as it remains steady through July before dipping further in August to 77%. Such trends highlight the gradual shift from the crisp, damp winter air to the more pleasant, balmy atmosphere of summer in this picturesque Swiss city.
As summer approaches in Basel, June brings an elevated UV Index of 9, signifying very high exposure levels with a rapid burn time of just 15 minutes. This trend reflects a remarkable increase from earlier months, where the UV Index gradually ascends from a low of 2 in January to a peak in June. Following June, July maintains a similar index, reinforcing the importance of sunscreen and protective clothing during these sun-soaked months. Notably, the transition from spring to summer showcases how UV exposure intensifies, making it crucial for residents and visitors alike to stay vigilant against sun damage. For more insights on UV safety, explore the detailed guide at Basel UV Index.
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In June, Basel, Switzerland basks in 389 hours of sunshine, marking a vibrant peak in the annual solar cycle. This delightful month follows a steady upward trend from January's 136 hours, showcasing a progressive increase each month as spring blossoms into summer. The sunshine hours continue to rise, reaching a rewarding peak in July with 413 hours, before gradually tapering off in August. This delightful climate trend not only enhances the outdoor experiences but also invites locals and visitors to revel in the charm of Basel, as sunshine transforms the city into a picturesque destination during these warm summer days.
As June approaches in Basel, Switzerland, the likelihood of sunny weather stands at 32%, a figure that may not seem particularly promising at first glance. However, this percentage reflects a slight dip compared to the more optimistic predictions of April and May, which enjoy higher chances of sunshine at 52% and 33% respectively. As the year progresses, we notice an interesting trend; while the spring months hint at brighter skies, the summer months, particularly in July and August, experience a modest increase in sunshine opportunities, ranging from 38% to 39%. Therefore, while June may not guarantee an abundance of sun, the potential for brighter days ahead certainly beckons, inviting residents and visitors alike to hold onto the hope of basking in the warmth of the sun.
In Basel, Switzerland, the arrival of June signals the peak of daylight, jointly basking in 15 hours of sunlight, a delight that stretches from May through July. As spring gives way to summer, the days consistently grow longer, allowing for ample time to enjoy outdoor activities and the vibrant city life. Interestingly, as June unfolds, the daylight remains stable, following the upward trend that began in March and blissfully countering the shorter days that will soon return in August. This seasonal rhythm creates a beautiful contrast, making June a cherished month for both locals and visitors alike. With 12 hours of sunlight typical by September, the gradual fade reminds us of the fleeting summer days ahead.
In June, Basel, Switzerland experiences a gentle lull in wind activity, with an average wind speed of 1.8 m/s (4 mph), displaying a noticeable dip compared to the preceding months. This trend marks the calmest wind of the year, contrasting with the slight increases observed in May and April. The shift to a quieter June hints at the region's transition into the warmth of summer, creating a serene atmosphere that invites outdoor gatherings and leisurely strolls along the banks of the Rhine. As the summer progresses, this milder wind pattern continues, with July and August maintaining similar low speeds, suggesting a period of tranquility in Basel's lovely summer month.
Weather in Basel varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Basel, focusing on differences in temperature, rainfall, humidity, and UV levels.
June and January present distinct contrasts in weather patterns. In June, temperatures range from a chilly 5°C (42°F) at their lowest to a warm 34°C (94°F) at their peak, with an average of 19°C (66°F). Humidity is relatively high at 82%, and precipitation occurs on about 16 days, totaling 125 mm (4.9 in). In stark contrast, January experiences much colder conditions, with temperatures ranging from a frigid -13°C (8°F) to a mild 16°C (61°F), averaging just 1°C (35°F). Although January sees fewer days of rain—12 days and 94 mm (3.7 in) of precipitation—the humidity is still quite high at 91%. For more detailed insights into January weather, you can check out Basel weather in January.
June and February present strikingly different weather conditions. In June, temperatures range from a minimum of 5°C (42°F) to a sizzling maximum of 34°C (94°F), with an average of 19°C (66°F). The month experiences significant rainfall, totaling 125 mm (4.9 in) over 16 days, while humidity averages around 82%. In contrast, February offers much colder temperatures, with lows plummeting to -14°C (7°F) and highs reaching 18°C (65°F), averaging just 4°C (39°F). Precipitation is lower at 77 mm (3.0 in) across 12 days, but humidity levels are slightly higher at 89%. For more details on February weather, check Basel weather in February.
When comparing the weather in June and March, notable differences emerge. June typically sees much warmer temperatures, with a minimum of 5°C (42°F) and an average high of 34°C (94°F), while March experiences colder conditions, featuring a minimum of -13°C (9°F) and a maximum of 21°C (71°F). Despite June's higher temperatures, it also has more precipitation, averaging 125 mm (4.9 in) over 16 days, compared to March's 91 mm (3.6 in) over 15 days. Both months exhibit high humidity levels, with March slightly higher at 87% compared to June's 82%. For a more detailed look at March conditions, you can visit Basel weather in March.
In comparing the weather between April and June, one can see a significant shift in temperature and precipitation patterns. April experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 10°C (50°F), while June warms up substantially, ranging from a minimum of 5°C (42°F) to an average of 19°C (66°F), peaking at a maximum of 34°C (94°F). Precipitation in April is also lower, with 62 mm (2.4 in) over 10 days, compared to June's 125 mm (4.9 in) spread across 16 days. Humidity levels remain relatively high in both months, though slightly more humid in June at 82% versus April's 84%. For more detailed information, check out Basel weather in April.
In June, temperatures begin to rise, with a minimum of 5°C (42°F) and an average of 19°C (66°F), peaking at a scorching 34°C (94°F). In contrast, May is cooler, featuring a minimum of 0°C (32°F) and an average of 13°C (56°F), with a maximum of 30°C (87°F). While June experiences slightly less precipitation at 125 mm (4.9 in) over 16 days, May sees a bit more rain at 133 mm (5.2 in) over 17 days. Humidity levels are high in both months, but June is marginally more humid at 82% compared to May's 80%. For a closer look at May's weather conditions, visit Basel weather in May.
In comparing the weather between June and July, we see a slight rise in temperatures, with July experiencing a minimum of 8°C (47°F) and a maximum of 37°C (98°F), compared to June’s range of 5°C (42°F) to 34°C (94°F). The average temperature in July is also marginally higher at 20°C (68°F) versus June’s average of 19°C (66°F). Additionally, both months have similar levels of humidity at 82%, though July sees slightly less precipitation, with 117 mm (4.6 in) over 14 days, compared to June's 125 mm (4.9 in) over 16 days. For more detailed insights, you can check Basel weather in July.
In June, the weather features a wider temperature range, with minimums dipping to 5°C (42°F) and maximums reaching up to 34°C (94°F), resulting in an average temperature of 19°C (66°F). The month experiences significant rainfall, accumulating 125 mm (4.9 in) across 16 days and maintaining high humidity levels at 82%.
In contrast, August presents slightly milder conditions, with minimum temperatures at 6°C (43°F) and maximums peaking at 35°C (95°F), giving an average of 20°C (68°F). Rainfall is slightly less in August, with 115 mm (4.5 in) spread over 15 days, coupled with lower humidity at 77%. Overall, while both months are warm, August tends to be a bit drier and less humid. For a more detailed look at August weather, visit Basel weather in August.
June and September exhibit contrasting weather patterns. In June, temperatures range from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). The month is relatively wet, receiving 125 mm (4.9 inches) of precipitation over 16 days, and it boasts a high humidity level of 82%. In contrast, September sees cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 30°C (86°F), averaging 16°C (60°F). This month is also drier, with only 67 mm (2.6 inches) of precipitation over 10 days, and a similar humidity level of 81%. For more detailed insights, check out Basel weather in September.
June and October present quite different weather patterns, showcasing the transition from the warmth of late spring to the cooler embrace of autumn. In June, temperatures range from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), averaging 19°C (66°F), with high humidity at 82% and about 125 mm (4.9 in) of precipitation over 16 days. In contrast, October features cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 24°C (76°F), averaging 11°C (51°F), while experiencing slightly less rainfall at 92 mm (3.6 in) over 14 days, coupled with increased humidity at 89%. This shift highlights the marked difference in climate as one month ushers in the vibrancy of summer and the other the calm of fall. For more details, you can check Basel weather in October.
June and November present quite a contrast in weather. In June, temperatures range from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). This month is characterized by relatively high humidity at 82% and significant rainfall, accumulating 125 mm (4.9 in) over about 16 days. In contrast, November features much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 21°C (70°F), averaging just 5°C (41°F). Precipitation decreases to 79 mm (3.1 in) across 13 days, accompanied by a slightly higher humidity level at 89%. For more details on the weather trends, you can refer to Basel weather in November.
June and December offer starkly contrasting weather experiences. In June, temperatures range from a mild 5°C (42°F) at night to a warm maximum of 34°C (94°F), with an average around 19°C (66°F). The month sees a significant amount of rainfall, totaling 125 mm (4.9 in) over 16 days, accompanied by relatively high humidity at 82%. In contrast, December brings much cooler conditions, with temperatures dipping as low as -5°C (23°F) and averaging around 3°C (38°F), peaking at 14°C (57°F). Precipitation is slightly higher at 129 mm (5.1 in) and occurs over a greater number of days, totaling 19. Humidity also increases to 91% during this winter month. For more details on the typical weather patterns, visit Basel weather in December.
In June, Basel experiences a delightful transition as the weather warms up, distinguishing itself from the chillier months that precede it. With temperatures rising, average highs reach a pleasant 19°C (66°F), while occasional peaks can soar to an impressive 34°C (94°F). However, this month also brings an increased amount of precipitation, with rain falling on about half of the days, contributing to a higher humidity level of 82%. This mix creates a vibrant atmosphere, setting June apart from the rest of the year. For more details on what to expect throughout the seasons, check out Basel Climate.