Last updated: August 27, 2025
April in Sankt Gallen, Switzerland is characterized by a dynamic weather pattern, where temperatures can reach a pleasant maximum of 24°C (76°F), while the average hovers around a cooler 9°C (49°F). As spring unfolds, residents and visitors alike may experience chilly nights with lows dipping to -6°C (22°F). During this month, 79 mm (3.1 in) of precipitation falls across approximately 11 days, contributing to the region's lush spring landscapes. With humidity levels at a notable 84%, April in Sankt Gallen offers a refreshing blend of warmth and moisture, perfect for enjoying the awakening of nature after winter's retreat.
In April, Sankt Gallen begins to shed the remnants of winter, offering a refreshing transition into spring. With temperatures ranging from a crisp -6°C (22°F) at night to a pleasant 24°C (76°F) during the day, this month marks a significant warming trend. The average temperature rises to 9°C (49°F), showcasing a leap from the chillier early months of the year. As flowers bloom and outdoor activities regain popularity, it's the ideal time to experience the vibrant resurgence of nature in this beautiful Swiss city. The stark contrast from the previous months' lows highlights April as a pivotal moment of change, inviting residents and visitors alike to embrace the rejuvenating warmth and longer days.
In April, Sankt Gallen experiences a notable dip in precipitation, with 79 mm (3.1 in) of rain falling over 11 days. This decline follows a wetter March, which recorded 100 mm (3.9 in) across 16 days, suggesting that spring is gradually settling in. As the region emerges from the chill of winter, the relatively lighter April rainfall paves the way for a significant surge in precipitation during May, where amounts spike to 147 mm (5.8 in). This trend highlights the transitional nature of spring in Sankt Gallen, where the balance shifts from the lingering moisture of winter to the rejuvenating rains that support the vibrant growth of the coming summer months.
In April, Sankt Gallen experiences a notable decline in humidity, dropping to 84%. This marks a continual decrease from the high levels of 92% in January and 89% in February, reflecting the transition from the damp winter months. As spring progresses, humidity levels continue to improve, paving the way for the warmer and drier conditions of May, where it further dips to 80%. This gradual reduction in moisture not only enhances the pleasantness of outdoor activities but also signals a shift towards the refreshing, vibrant qualities associated with the Swiss springtime.
April in Sankt Gallen sees a notable increase in the UV Index, reaching 6, which falls into the high exposure category. This marks a significant shift from the earlier months, highlighting the transition from winter's lower levels to the more intense spring sun. With a burn time of only 25 minutes, outdoor enthusiasts should take precautions to protect their skin. As the months progress, the UV Index will continue to rise, peaking in the summer, with May and June projected at 8 and 9, respectively. Emphasizing sun safety during this period is crucial as we move closer to summer's strong rays. For more detailed information, check out the Sankt Gallen UV Index.
UV Risk Categories
April in Sankt Gallen, Switzerland, heralds a vibrant shift towards longer days and abundant sunshine, with 349 hours of glorious sunlight illuminating the landscape. This marks a significant increase from the previous months, showcasing a strong upward trend as winter recedes and spring flourishes. Following 287 hours in March, April's sunshine sets the stage for even more bright days ahead, as May captures 356 hours. The steady rise from January’s 150 hours through February and March suggests a welcoming embrace of warmer temperatures and blooming nature. With each passing month, Sankt Gallen transitions smoothly into the summer, where July’s peak of 404 hours promises the perfect backdrop for outdoor adventures and exploration in this picturesque Swiss haven.
As spring unfolds in Sankt Gallen, April offers a refreshing increase in the likelihood of sunny weather, boasting a 47% chance of sunshine. This marks a noticeable rise compared to the earlier months of the year, where January sees a mere 17% and even March only offers 42% sunshine. Interestingly, while May and June present a slight dip back to 34%, April stands out as a transitional month, hinting at the promise of warmer days ahead. Thus, April not only welcomes a burst of light but also signifies a shift towards a sunnier season, making it an enticing time for outdoor activities in this picturesque Swiss city.
As spring unfolds in Sankt Gallen, Switzerland, the length of daylight transforms dramatically, culminating in a vibrant April. With 13 hours of daylight, April marks a significant leap from the 11 hours seen in March, reflecting nature's awakening and the longer days that come with the season change. This trend continues into May, where daylight extends to a dazzling 15 hours, as the region basks in the increasing warmth of the sun. This gradual increase from winter's 8 hours in January to the longer days of spring and summer not only rejuvenates the landscape but also invites residents to embrace outdoor activities, celebrating longer evenings and the blooming beauty of the season.
As April unfolds in Sankt Gallen, the wind begins to stir gently, averaging 2.1 m/s (5 mph). This slight uptick follows the relatively calm month of March, where winds lingered at 2.0 m/s (5 mph), suggesting a hint of renewal as spring advances. While depths of winter saw calmer breezes with January and February recording 2.3 m/s (5 mph) and 1.9 m/s (4 mph) respectively, April’s winds hint at a vibrancy that precedes the warmer months. With May poised to bring an average increase to 2.6 m/s (6 mph), it’s clear that the transition to summer in this picturesque Swiss locale is characterized by a refreshing, if subtle, uplift in wind speed, whispering promises of sun-kissed days ahead.
Weather in Sankt Gallen varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sankt Gallen, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present notably different weather patterns. In April, temperatures range from a chilly minimum of -6°C (22°F) to a much warmer average of 9°C (49°F), peaking at 24°C (76°F). This month experiences approximately 79 mm (3.1 in) of precipitation over 11 days, with humidity levels around 84%. In contrast, January is much colder, with minimum temperatures dropping to -14°C (7°F) and an average of 0°C (33°F), reaching a maximum of 14°C (57°F). It also sees higher precipitation of 106 mm (4.2 in) spread across 12 days, accompanied by a higher humidity of 92%. For more insights into the weather in January, check out Sankt Gallen weather in January.
When comparing the weather in February and April, it's clear that April offers a more temperate climate. In April, temperatures range from a chilly minimum of -6°C (22°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). This contrasts sharply with February's colder temperatures, which drop to a minimum of -13°C (9°F) and only reach an average of 2°C (37°F), peaking at 18°C (65°F). Additionally, while both months experience a similar amount of precipitation, with February seeing 85 mm (3.3 in) and April 79 mm (3.1 in), April typically has slightly lower humidity at 84%, compared to February's 89%. For more details on February weather, you can visit Sankt Gallen weather in February.
In comparing the weather between March and April, April generally experiences milder temperatures, with a minimum of -6°C (22°F) and an average of 9°C (49°F), compared to March’s lower minimum of -14°C (8°F) and an average of 5°C (42°F). The maximum temperature in April can reach up to 24°C (76°F), significantly warmer than March's high of 19°C (66°F). Precipitation levels are slightly lower in April at 79 mm (3.1 in) over 11 days, whereas March sees more rain, totaling 100 mm (3.9 in) over 16 days. Humidity is also slightly lower in April at 84% compared to March's 87%. For a more detailed look at March weather specifics, you can refer to Sankt Gallen weather in March.
April and May exhibit distinct differences in weather patterns. In April, temperatures range from a chilly minimum of -6°C (22°F) to a maximum of 24°C (76°F), with an average of 9°C (49°F). The month sees about 79 mm (3.1 in) of precipitation across 11 days, maintaining a high humidity level of 84%. In contrast, May offers a warmer climate with temperatures starting at 0°C (32°F) and peaking at 29°C (85°F), averaging around 13°C (56°F). Precipitation increases in May to 147 mm (5.8 in), spread over 17 days, while humidity remains slightly lower at 80%. For a more detailed look at May's weather, you can check the link: Sankt Gallen weather in May.
April and June exhibit distinct differences in weather patterns. In April, temperatures range from a minimum of -6°C (22°F) to a maximum of 24°C (76°F), with an average temperature of 9°C (49°F). The month experiences about 79 mm (3.1 in) of precipitation over 11 days, accompanied by relatively high humidity at 84%. In contrast, June offers a milder climate, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F) and an average of 18°C (65°F). However, June also sees increased precipitation, totaling 168 mm (6.6 in) over 17 days, and slightly lower humidity at 82%. For more detailed information, check Sankt Gallen weather in June.
When comparing the weather in April and July, there are notable differences in temperature and precipitation. In April, temperatures can drop to a minimum of -6°C (22°F) and reach an average of 9°C (49°F), while July sees much warmer conditions with a minimum of 10°C (51°F) and an average temperature of 19°C (67°F). The maximum in April peaks at a moderate 24°C (76°F), whereas July can escalate to a high of 33°C (91°F). Additionally, July experiences higher precipitation levels, with 159 mm (6.3 in) over 18 days, compared to April's 79 mm (3.1 in) over 11 days. Despite the increase in rainfall, humidity levels remain relatively similar, with April at 84% and July at 83%. For a more detailed look at the weather specifics for July, you can visit Sankt Gallen weather in July.
When comparing the weather in April and August, notable differences emerge in both temperature and precipitation levels. April experiences a broader range of temperatures, with a minimum of -6°C (22°F) and a comfortable average of 9°C (49°F), reaching up to a maximum of 24°C (76°F). In contrast, August is significantly warmer, with minimum temperatures starting at 9°C (49°F) and peaking at 33°C (91°F), resulting in an average of 19°C (66°F).
Additionally, August sees higher precipitation levels, with 194 mm (7.7 in) over 17 days, compared to April's 79 mm (3.1 in) across 11 days. Despite the increase in rainfall during the summer month, humidity remains relatively consistent, with April at 84% and August at 80%. For those interested in more detailed weather patterns, you can check Sankt Gallen weather in August.
When comparing the weather in April and September, noticeable differences emerge. April typically features a wider temperature range, with minimums plummeting to -6°C (22°F) and maximums reaching up to 24°C (76°F), resulting in an average of around 9°C (49°F). In contrast, September's temperatures are milder with minimums of 4°C (40°F) and maximums peaking at 27°C (80°F), averaging 15°C (59°F). Additionally, April experiences less rainfall with 79 mm (3.1 in) over 11 days, while September sees a higher total of 128 mm (5.0 in) across 13 days, highlighting its wetter conditions. However, both months have relatively high humidity levels, around 84% in April and 83% in September. For more detailed information, check out Sankt Gallen weather in September.
April and October offer distinct weather experiences, each with its own unique charm. In April, temperatures range from a chilly minimum of -6°C (22°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). The month sees moderate rainfall, totaling 79 mm (3.1 in) over about 11 days, with humidity levels around 84%. In contrast, October features slightly warmer conditions with temperatures varying from a minimum of 2°C (35°F) to a maximum of 23°C (73°F), averaging at 10°C (51°F). Rainfall increases to 119 mm (4.7 in) spread across 14 days, and humidity is a bit higher at 90%. For more detailed weather insights, you can explore Sankt Gallen weather in October.
April and November weather exhibit notable differences, reflecting the transition from spring to late autumn. In April, temperatures range from a chilly -6°C (22°F) at night to a pleasant 24°C (76°F) during the day, with an average of 9°C (49°F). The month experiences 79 mm (3.1 in) of precipitation over approximately 11 days, coupled with a humidity level of 84%. In contrast, November sees slightly milder conditions, with temperatures varying from -2°C (29°F) at night to a maximum of 19°C (67°F) and an average of 5°C (42°F). It receives 72 mm (2.8 in) of rainfall over the same number of days, and humidity rises to 88%. For more detailed insights, you can check out Sankt Gallen weather in November.
April and December present contrasting weather conditions in Sankt Gallen. In April, temperatures range from a minimum of -6°C (22°F) to a maximum of 24°C (76°F), with an average of 9°C (49°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 11 days, and humidity levels average around 84%. In contrast, December is colder, with temperatures varying between -7°C (19°F) and a maximum of 12°C (54°F), and an average temperature of only 2°C (36°F). Precipitation in December is significantly higher at 135 mm (5.3 in), occurring over 18 days, and humidity rises to 90%. For more detailed information on December weather, visit Sankt Gallen weather in December.
April in Sankt Gallen brings a delightful transition from winter's chill to the cusp of spring warmth. With temperatures starting to rise, the month showcases a unique blend of cool brisk days and occasional sunny spells, setting it apart from the more stable and warmer summer months. While it may still host the occasional frost, the average temperatures hint at the imminent bloom of life, even as clouds gather and rain falls on about 11 days. The increased humidity adds a refreshing crispness to the air, making each stroll through the budding landscapes invigorating. For those curious about this charming city's climate patterns year-round, visit Sankt Gallen Climate.