Last updated: August 27, 2025
In Riehen, Switzerland, April ushers in a colorful transition from winter to spring, characterized by a wide temperature range. With maximum highs reaching 26°C (80°F) and an average of 10°C (50°F), the month invites pleasant outdoor explorations, even as chilly nights can dip to a brisk -4°C (26°F). April also brings 59 mm (2.3 in) of rainfall over approximately 10 days, contributing to the lush greenery that emerges during this time. The air is often humid, sitting at 84%, adding a refreshing touch as nature awakens. April in Riehen is a balance of warmth and moisture, creating a vibrant backdrop for visitors and locals alike.
April in Riehen, Switzerland, marks a significant transition into milder spring weather, showcasing a refreshing upward trend in temperatures. With minimums of -4°C (26°F), the chill of winter lingers but gives way to an average temperature of 10°C (50°F), inviting more outdoor activity. The days progressively warm up, peaking at a delightful 26°C (80°F), creating a tapestry of blooming flowers and vibrant green landscapes. This month stands out as a bridge from the cold grays of earlier months to the promising warmth of summer, making it an ideal time for residents and visitors alike to enjoy Riehen’s beauty as nature awakens and flourishes.
In April, Riehen, Switzerland, experiences a noticeable shift in precipitation patterns, with an average rainfall of 59 mm (2.3 in) across approximately 10 days. This marks a significant decrease compared to the previous months, with January, March, and February all seeing higher totals and more rainy days. As the spring advances, the region begins to dry out, likely paving the way for more vibrant blooms and outdoor activities in May, which typically sees a sharp rise in both precipitation and rainfall days, peaking at 126 mm (5.0 in). This trend suggests that while April serves as a transitional month, the weather in Riehen prepares for a lush and dynamic late spring season.
In April, Riehen, Switzerland experiences a noticeable decline in humidity, dropping to 84% from the higher values of the winter months. This gradual decrease is part of a trend that highlights a gradual transition into spring, with humidity levels easing further in May to 80%. The shift from the damp, chill of winter is particularly evident as the air begins to feel lighter and more refreshing. Interestingly, humidity then rises again in June and the following months, showcasing the unique balance of the region's climate. Overall, April marks a pivotal point in Riehen’s yearly rhythm, bridging the crispness of winter with the warmth of the approaching summer.
April in Riehen, Switzerland, marks a notable shift in the sun’s intensity with a UV Index of 6, categorized as high. This increase signals the arrival of spring, inviting residents to enjoy more outdoor activities, but it comes with the caution of a reduced burn time of just 25 minutes. Compared to the previous months, where the UV Index ranged from low to moderate, April's levels require a more proactive approach to sun protection. As the region transitions toward summer, those venturing outdoors should be aware that UV exposure will continue to rise, peaking in the following months. For detailed UV insights, visit Riehen UV Index.
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In Riehen, Switzerland, April marks a delightful transition into spring, heralded by a remarkable increase in sunshine hours. With 353 hours of bright daylight, April stands out as a month of renewal and optimism, paving the way for the months ahead. Following the steady climb from 283 hours in March, the sunlight continues its ascent, reaching 361 hours in May and peaking at 413 hours in July. This trend illustrates the gradual unfolding of warmer days, where each month builds anticipation for the sun-drenched bliss of summer. The pattern not only captures the beauty of the changing seasons but also invites residents and visitors alike to savor the vibrant energy that April brings to this charming Swiss town.
As spring unfolds in Riehen, Switzerland, April emerges as a promising month for sunshine, boasting a 51% chance of sunny weather. This marks a noticeable increase from 47% in March, signaling a shift towards brighter days as winter's chill recedes. Interestingly, while the likelihood of sunshine dips in May to 33%, April stands out as a peak moment for those eager to embrace the outdoors. The trend showcases a gradual buildup of sunny days as the year progresses, hinting at the charm of early spring in this picturesque region. Enjoying the moderate sunshine in April can be a delightful way to welcome the blooming season!
As spring unfolds in Riehen, Switzerland, April brings a significant increase in daylight with approximately 13 hours of sunlight—an encouraging shift from the 11 hours experienced in March. This trend of extending daylight hours not only marks the transition from the darker winter months but also sets the stage for the delightful brightness of May, when daylight reaches an impressive 15 hours. The gradual increase through the spring months highlights a renewed vibrancy in the environment, inspiring both residents and visitors to enjoy the outdoors. With the days lengthening, April serves as a beautiful reminder of nature's awakening, paving the way for the sun-drenched days of summer ahead.
In April, Riehen, Switzerland experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), mirroring the tranquil conditions of the preceding months. This consistent wind speed, akin to that of February and March, reflects the transition into spring, where nature begins to awaken. As the season progresses into May, a slight uptick to 2.7 m/s (6 mph) signals a warming trend, suggesting that the balmy spring days are just around the corner. Throughout the year, the wind speeds exhibit a gentle ebb and flow — with winter months like January and December bringing higher gusts, and the summer months settling into a calmer atmosphere. Thus, April stands as a pivotal moment in Riehen, bridging the serene chill of early spring with the promise of warmer days ahead, all while embracing a steady and soothing wind.
Weather in Riehen varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Riehen, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present markedly different weather conditions. In April, temperatures generally range from a chilly -4°C (26°F) at night to a pleasant 26°C (80°F) during the day, with an average of 10°C (50°F). The month sees a moderate amount of rain, totaling 59 mm (2.3 in) over about 10 days, and the humidity is relatively high at 84%. Conversely, January is significantly colder, with temperatures fluctuating between a low of -13°C (8°F) and a daytime high of only 17°C (62°F), averaging around 1°C (35°F). This month experiences more precipitation at 89 mm (3.5 in) across 12 days, accompanied by slightly higher humidity at 92%. For those interested in a detailed look at January weather specifically, you can check out Riehen weather in January.
April weather is generally milder compared to February, with average temperatures rising from a chilly 4°C (39°F) in February to a more pleasant 10°C (50°F) in April. While February experiences colder minimum temperatures dropping to -13°C (9°F), April has a warmer minimum of -4°C (26°F). However, February sees slightly more precipitation, totaling 75 mm (2.9 in) over 12 days, compared to April's 59 mm (2.3 in) over 10 days. Furthermore, humidity levels are slightly higher in February at 89%, compared to 84% in April. For more specific details on February weather, you can visit Riehen weather in February.
In comparing the weather of April and March, we see a notable shift in temperatures and precipitation patterns. April boasts a minimum temperature of -4°C (26°F) and an average of 10°C (50°F), with a maximum reaching 26°C (80°F). This is a marked improvement from March, which had a colder minimum of -12°C (10°F) and a lower average of 6°C (44°F), although it did reach a high of 21°C (71°F). Additionally, April experiences 59 mm (2.3 in) of precipitation over 10 days, while March sees higher precipitation of 87 mm (3.4 in) across 14 days, indicating a wetter month overall. Humidity levels are slightly lower in April at 84%, compared to March’s 87%. For a deeper look at March weather details, you can visit Riehen weather in March.
April and May present a notable transition in weather, with May generally experiencing warmer temperatures and increased precipitation. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 26°C (80°F), with an average of 10°C (50°F). The month sees about 59 mm (2.3 in) of precipitation over roughly 10 days, accompanied by relatively high humidity at 84%. In contrast, May sees a rise in temperature, with a minimum of 1°C (33°F), an average of 14°C (57°F), and a maximum reaching up to 31°C (87°F). However, it also brings heavier rainfall, totaling around 126 mm (5.0 in) across 17 days, while humidity decreases slightly to 80%. For a more detailed overview of the weather in May, you can check Riehen weather in May.
April weather typically features a broader temperature range, with minimums dipping as low as -4°C (26°F) and maximums reaching up to 26°C (80°F). The average temperature is around 10°C (50°F), accompanied by significant precipitation of 59 mm (2.3 in) over approximately 10 days and high humidity at 84%.
In contrast, June experiences notably warmer temperatures, with a minimum of 6°C (43°F) and a maximum soaring to 34°C (94°F), resulting in an average of 19°C (66°F). However, it also brings increased rainfall, totaling 120 mm (4.7 in) over 16 days, accompanied by slightly lower humidity at 82%. For more detailed insights, you can check Riehen weather in June.
April weather is characterized by cooler temperatures, with a minimum of -4°C (26°F) and an average of 10°C (50°F), whereas July experiences significantly warmer conditions, featuring a minimum of 9°C (49°F) and an average temperature of 20°C (69°F). While April can see highs up to 26°C (80°F), July can soar to a maximum of 36°C (98°F), illustrating a notable temperature contrast between the two months. Precipitation is also more pronounced in July, with 122 mm (4.8 in) over 15 days, compared to April's 59 mm (2.3 in) across 10 days. Humidity levels are fairly similar, with April at 84% and July at 83%. For more specific details about July weather, you can check Riehen weather in July.
April and August present distinct weather contrasts. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant maximum of 26°C (80°F), with an average of 10°C (50°F). The month experiences around 59 mm (2.3 in) of precipitation over 10 days, accompanied by high humidity at 84%. In contrast, August offers much warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a scorching maximum of 34°C (94°F), and an average temperature of 20°C (68°F). Precipitation increases to 115 mm (4.5 in) over 15 days, while humidity remains slightly lower at 80%. For a closer look at what to expect, check out Riehen weather in August.
April and September offer contrasting yet mild weather conditions. In April, temperatures range from a chilly minimum of -4°C (26°F) to a pleasant average of 10°C (50°F) and can peak at 26°C (80°F). Precipitation is fairly common, with rain falling on about 10 days and a total of 59 mm (2.3 in) recorded, along with a humidity level of 84%.
In contrast, September experiences a warmer climate, with minimum temperatures of 2°C (36°F), an average of 16°C (61°F), and maximums reaching 30°C (86°F). Rainfall increases slightly, averaging 69 mm (2.7 in) over 12 days, while humidity remains similar at 83%. For those interested in the specifics of September weather, you can explore more here: Riehen weather in September.
April and October present distinct weather patterns. In April, temperatures range from a chilly -4°C (26°F) to a warm 26°C (80°F), with an average of 10°C (50°F). The month experiences about 59 mm (2.3 in) of precipitation over approximately 10 days and has a humidity level of 84%. In contrast, October features a slightly milder temperature range of -1°C (30°F) to a maximum of 24°C (75°F), with an average temperature of 11°C (52°F). During this month, the precipitation increases to 89 mm (3.5 in) spread over 13 days, and humidity rises to 90%. For more information about the weather during October, visit Riehen weather in October.
April and November exhibit notable differences in weather patterns. In April, temperatures range from a minimum of -4°C (26°F) to a maximum of 26°C (80°F), with an average temperature of 10°C (50°F). The month sees about 59 mm (2.3 in) of precipitation over approximately 10 days, with humidity averaging 84%.
In contrast, November presents cooler conditions with a similar minimum temperature of -4°C (25°F), but a lower average temperature of 5°C (42°F) and a maximum of 21°C (70°F). Precipitation increases to 73 mm (2.9 in) over about 12 days, contributing to a slightly higher humidity of 88%.
For detailed insights on November weather, you can visit Riehen weather in November.
April and December exhibit contrasting weather patterns, with April enjoying relatively milder temperatures and lower precipitation than December. In April, temperatures range from a minimum of -4°C (26°F) to a maximum of 26°C (80°F), averaging around 10°C (50°F) with 59 mm (2.3 in) of precipitation over approximately 10 rainy days. In contrast, December experiences cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 14°C (58°F), averaging only 3°C (38°F). Additionally, precipitation in December is higher, totaling 124 mm (4.9 in) spread over 18 days, accompanied by slightly more humidity at 90%. For a detailed look at weather conditions during December, check out Riehen weather in December.
April in Riehen presents a dynamic transition from the chill of winter to the warmth of spring. With temperatures reaching comfortable highs, the weather is both invigorating and unpredictable, contrasting sharply with the more stable conditions of summer months. However, occasional showers are still a part of the landscape, providing essential moisture to the blossoming flora. The high humidity often adds to the freshness in the air, making it a delightful time for outdoor activities. This unique mix of mild temperatures and varying precipitation makes April a vibrant month in Riehen. For a deeper dive into the region's overall climate patterns, check out Riehen Climate.