Last updated: August 27, 2025
In May, Rheinfelden, Switzerland experiences a delightful range of weather, with temperatures soaring to a maximum of 31°C (87°F) while maintaining an average of 14°C (57°F). Highlighting the month’s variability, the temperature can dip to a cool minimum of 1°C (33°F). Rainfall is a significant feature, with a total precipitation of 126 mm (5.0 in) spread across 17 days, resulting in a humid atmosphere with an average humidity level of 80%. Despite the rain, May offers a wonderful opportunity to experience the vibrant spring scenery of this charming town.
In May, Rheinfelden, Switzerland, begins to shed the remnants of winter, welcoming a transformative rise in temperatures that sets the stage for warmer months ahead. With nighttime lows around 1°C (33°F) and delightful daytime averages reaching 14°C (57°F), this month gifts visitors a refreshing spring atmosphere. The peak temperatures can soar up to 31°C (87°F), showcasing the region's capacity for sudden warmth as it transitions into summer. As the last frost fades and flowers bloom, May emerges as a vibrant time, inviting both locals and travelers to embrace outdoor activities amidst the blossoming landscape.
May in Rheinfelden, Switzerland, marks a significant uptick in precipitation, showcasing the region's transition into the wetter months of the year. With 126 mm (5.0 in) of rain over 17 days, May stands out as the rainiest month so far, surpassing both April and the upcoming June. This surge in rainfall not only revitalizes the lush greenery that characterizes the Swiss landscape but also sets a trend for the impending summer months, where rainfall remains consistently high, with June and July also receiving substantial precipitation. The increase from April's 59 mm (2.3 in) hints at a shift towards a more humid and dynamic climate, emphasizing the vital role that May plays in the annual weather cycle of Rheinfelden.
In May, Rheinfelden, Switzerland, experiences a notable shift in humidity, with levels dropping to 80% compared to the higher averages of previous months. This decrease marks the beginning of a more moderate spring atmosphere, as humidity gradually decreases from January's soaring 92%. The trend continues through the early summer months, indicating a transitional phase that gives way to a refreshing balance between warmth and moisture. As the seasons progress, humidity levels tend to stabilize around the 80-83% range through August, allowing the picturesque region to bask in pleasant conditions before the year ends with a return to higher humidity levels in autumn. Overall, May embodies a perfect blend of springtime vitality and emerging summer vibes, setting the stage for the warmer months ahead.
In May, Rheinfelden, Switzerland, experiences a noticeable uptick in sun intensity, with a UV Index peaking at 8, indicating a very high risk of harm from unprotected sun exposure. With a burn time of just 15 minutes, it's essential for residents and visitors alike to prioritize sun safety—applying sunscreen and seeking shade during peak hours can make a significant difference. This trend continues into June and July, where the UV Index remains exceptionally high. The rapid transition from mild winter months to this intense sun exposure underscores the importance of staying vigilant and prepared as warmer days arrive. For more details on UV levels in the area, visit Rheinfelden UV Index.
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May in Rheinfelden, Switzerland, marks a beautiful transition into summer, with remarkable 361 hours of sunshine illuminating the countryside. This month stands out as a peak in sunlight hours, perfectly capturing the essence of spring as it evolves into early summer. Following a steady increase from 136 hours in January to 353 hours in April, May continues this upward trend, just shy of the bustling sunshine that arrives in June with 389 hours. The gradual climb in daylight hours not only enhances the vibrant natural landscapes but also beckons locals and visitors alike to indulge in outdoor activities and enjoy the blooming flora. This sunny progression highlights Rheinfelden as a delightful destination where the allure of May makes it an ideal time to embrace the joys of the season.
In May, Rheinfelden, Switzerland typically experiences a 33% chance of sunny weather, which is a noticeable drop from the 51% likelihood in April. This shift hints at the transitional nature of spring, as the city moves from the relatively bright days of early spring into the slightly more unpredictable weather of late spring. Interestingly, despite May's sunshine potential being lower than that of April, it remains comparable to June's 32%, indicating that while the sun may be less prominent, the allure of warmer days is still very much alive. This dynamic can encourage locals and visitors alike to embrace the region's stunning natural beauty, even if a few clouds are lurking on the horizon.
In Rheinfelden, Switzerland, the progression of daylight hours throughout the year reveals a beautiful rhythm of nature's cycle. Starting with a modest 8 hours of daylight in January, the days gradually lengthen, reaching a delightful 15 hours by May. This month marks the pinnacle of sunlight, ushering in a vibrant atmosphere and encouraging outdoor activities. As summer approaches, June, July, and part of August maintain this 15-hour highlight, offering plenty of time for exploration and enjoyment. However, as autumn sets in, daylight gradually diminishes, tapering off to just 10 hours in October and further down to eight hours by December. This natural ebb and flow not only highlights the changing seasons but also invites residents and visitors alike to fully embrace the warmth and energy of the longer days in spring and summer.
In Rheinfelden, Switzerland, the winds begin to pick up in May, reaching an average speed of 2.7 m/s (6 mph), slightly higher than the calmer conditions of the preceding months. This gentle increase in wind speeds signals the transition into the warmer months, setting the stage for the summer ahead. Following May, however, the wind tends to drift back down to 1.7 m/s (4 mph) by June, suggesting a more tranquil atmosphere during the peak of summer. Overall, from January through April, wind speeds hover close to 2.3 m/s (5 mph), creating a steady yet mild breeze that residents and visitors can enjoy. This pattern indicates a notable shift in May, where the blooming season coincides with a refreshing uptick in wind, making it a delightful time in Rheinfelden.
Weather in Rheinfelden varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rheinfelden, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, temperatures range from a chilly 1°C (33°F) at night to a warm 31°C (87°F) during the day, with an average of 14°C (57°F). The month experiences significant rainfall, totaling 126 mm (5.0 in) across about 17 days, along with a humidity level of 80%. In contrast, January features colder weather, with nighttime lows plunging to -13°C (8°F) and daytime highs reaching only 17°C (62°F), averaging just 1°C (35°F). Precipitation in January is lower at 89 mm (3.5 in) over 12 days, but the humidity is slightly higher at 92%. For more details on January weather, you can check Rheinfelden weather in January.
May and February showcase stark contrasts in weather patterns. In May, temperatures range from a chilly 1°C (33°F) at night to a warm 31°C (87°F) during the day, with an average of 14°C (57°F). The month is relatively wet, with 126 mm (5.0 in) of precipitation falling over 17 days and humidity levels around 80%. In contrast, February experiences much colder conditions, with temperatures dipping as low as -13°C (9°F) and peaking at 19°C (66°F), averaging just 4°C (39°F). While February sees less precipitation, totaling 75 mm (2.9 in) over 12 days, it has higher humidity at 89%. For more details on February weather, you can check out Rheinfelden weather in February.
When comparing the weather in May and March, it's clear that May is generally much warmer and more humid. In May, temperatures fluctuate between a minimum of 1°C (33°F) and a maximum of 31°C (87°F), with an average temperature of 14°C (57°F). In contrast, March remains quite chilly, with temperatures ranging from a frosty -12°C (10°F) to a mild 21°C (71°F) and an average of only 6°C (44°F). Additionally, May sees significantly more rainfall, with 126 mm (5.0 in) of precipitation over 17 days, compared to March's 87 mm (3.4 in) across 14 days. The humidity levels also reflect a shift, with May at 80% and March slightly higher at 87%. For more detailed insights into the weather patterns, you can explore Rheinfelden weather in March.
In comparing the weather between April and May, we see a notable shift in temperature and precipitation patterns. April experiences a minimum temperature of -4°C (26°F) and an average of 10°C (50°F), while May's temperatures are significantly warmer, with a minimum of 1°C (33°F) and an average of 14°C (57°F). May also boasts higher maximum temperatures, reaching up to 31°C (87°F) compared to April’s 26°C (80°F). Precipitation in May is more substantial, totaling 126 mm (5.0 in) over 17 rainy days, whereas April has a milder 59 mm (2.3 in) over just 10 days. Humidity levels are slightly lower in May at 80%, compared to April’s 84%. For a detailed look at April's weather specifics, check out Rheinfelden weather in April.
May and June exhibit distinct differences in weather patterns, with June generally offering warmer conditions. In May, temperatures range from a chilly minimum of 1°C (33°F) to a maximum of 31°C (87°F), while June's minimum starts at a milder 6°C (43°F) and peaks at a high of 34°C (94°F). The average temperature in May is 14°C (57°F), compared to June's 19°C (66°F), making June a more temperate month overall. Both months experience about the same amount of precipitation, with May recording 126 mm (5.0 in) over 17 days and June slightly less at 120 mm (4.7 in) over 16 days. Humidity remains consistently high, peaking at 82% in June compared to 80% in May. For more detailed insights into June weather, you can explore Rheinfelden weather in June.
In May, temperatures range from a chilly 1°C (33°F) at night to a warm 31°C (87°F) during the day, with an average of 14°C (57°F). The month experiences significant precipitation, totaling 126 mm (5.0 in) over 17 days, and the humidity levels are around 80%. In contrast, July offers warmer conditions, with minimums of 9°C (49°F), daily averages reaching 20°C (69°F), and highs peaking at 36°C (98°F). The precipitation in July is slightly less, at 122 mm (4.8 in) over 15 days, accompanied by a marginally higher humidity of 83%. For a closer look at the July weather specifics, you can check out Rheinfelden weather in July.
In May, the weather in Rheinfelden showcases a significant temperature range with minimums plummeting to 1°C (33°F) and maximums soaring to 31°C (87°F), while the average temperature hovers around 14°C (57°F). The month experiences considerable rainfall, with 126 mm (5.0 in) falling over 17 days, maintaining a high humidity level of 80%. In contrast, August brings warmer temperatures, with a minimum of 7°C (44°F) and a maximum reaching 34°C (94°F), leading to a higher average of 20°C (68°F). Precipitation during this month is slightly less, at 115 mm (4.5 in) over 15 days, yet humidity remains consistent at 80%. For more details, check out Rheinfelden weather in August.
May and September present distinct weather patterns, with May showcasing a wider temperature range, from a brisk 1°C (33°F) to a warm 31°C (87°F) and averaging 14°C (57°F). In contrast, September has a slightly narrower temperature spectrum, with minimums at 2°C (36°F) and maximums reaching 30°C (86°F), averaging around 16°C (61°F). Additionally, May experiences significantly more rainfall, totaling 126 mm (5.0 in) over 17 days, compared to September's 69 mm (2.7 in) across just 12 days. Humidity levels are quite similar, hovering at 80% in May and 83% in September, making both months feel relatively humid. For a closer look at September weather specifics, visit Rheinfelden weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a minimum of 1°C (33°F) to a maximum of 31°C (87°F), with an average of 14°C (57°F). This month sees a higher precipitation total of 126 mm (5.0 in) over 17 days, along with a humidity level of 80%. In contrast, October experiences cooler temperatures, with a minimum of -1°C (30°F), an average of 11°C (52°F), and a maximum of 24°C (75°F). Precipitation decreases to 89 mm (3.5 in) over 13 days, but humidity rises slightly to 90%. For more details on October weather, you can check Rheinfelden weather in October.
In comparing the weather of May and November, we see a significant contrast in temperatures and conditions. May typically boasts a wide temperature range, with a minimum of 1°C (33°F) and a maximum of 31°C (87°F), resulting in an average of 14°C (57°F). It also experiences considerable rainfall, with 126 mm (5.0 in) spread over 17 days and an 80% humidity level. In stark contrast, November presents a cooler climate, with temperatures dipping to a minimum of -4°C (25°F) and an average of just 5°C (42°F), peaking at 21°C (70°F). The month is drier, with 73 mm (2.9 in) of precipitation over 12 days, accompanied by a slightly higher humidity of 88%. For more detailed information, you can check Rheinfelden weather in November.
The weather in May showcases a warmer climate, with temperatures ranging from a chilly 1°C (33°F) to a pleasant high of 31°C (87°F) and an average of 14°C (57°F). In contrast, December's temperatures are considerably lower, with a minimum of -5°C (24°F) and a maximum of 14°C (58°F), averaging only 3°C (38°F). Both months experience significant precipitation, with May receiving 126 mm (5.0 in) over 17 days and December slightly less at 124 mm (4.9 in) over 18 days. Furthermore, December's humidity is notably higher at 90%, compared to May's 80%, contributing to the more wintry feel of the latter month. For more detailed information on December conditions, you can check Rheinfelden weather in December.
As May unfolds in Rheinfelden, the weather brings a delightful transition from the chill of early spring to the warmth of summer. With a maximum temperature that peaks around 31°C (87°F), this month is significantly warmer compared to the preceding months, making it ideal for outdoor activities. However, the weather can be quite unpredictable as well, with an average temperature of 14°C (57°F) that maintains a comfortable feel, while the minimum can drop to a brisk 1°C (33°F). The high humidity levels at 80% and 17 days of precipitation contribute to a lush environment, contrasting with the drier conditions of summer. For a deeper understanding of the seasonal climate trends, be sure to check out Rheinfelden Climate.