Last updated: August 27, 2025
April in St. Moritz, Switzerland offers a dramatic blend of temperature fluctuations and moisture-laden days. During this transitional month, the maximum temperature reaches a pleasant 12°C (54°F), while the average hovers around a brisk -1°C (31°F), dipping as low as -19°C (-1°F) at night. Rainfall is a prominent feature, with the region receiving approximately 99 mm (3.9 in) of precipitation over 12 days, resulting in an humidity level of 84%. This unique combination of conditions not only contributes to the enchanting scenery but also sets the stage for varied outdoor activities, making April a fascinating time to experience the charm of St. Moritz.
In St. Moritz, Switzerland, the arrival of April marks a notable shift in temperatures as winter gradually gives way to spring. With minimums hovering around -19°C (-1°F) and average highs reaching up to 12°C (54°F), the chill of winter starts to dissipate, inviting a breath of fresh air into the majestic Alpine scenery. This month showcases a significant warmth compared to the frigid depths of January and February, where lows plummeted to -27°C (-17°F) and -28°C (-18°F), respectively. By transitioning into April, the region not only experiences a rise in temperatures, but also the lengthening of daylight hours, perfect for outdoor activities against a picturesque backdrop of melting snow and blooming landscapes. The gentle embrace of spring is a welcome change, enticing visitors to explore the stunning vistas that St. Moritz has to offer.
In April, St. Moritz experiences a notable increase in precipitation, accumulating 99 mm (3.9 in) over the course of 12 days. This uptick in rainfall marks a transition from the winter months, as March's precipitation (90 mm) sets the stage for the spring thaw. With April’s precipitation days slightly fewer than the previous month, the city begins to emerge from the heavier snows of winter, paving the way for lush greenery in May, which sees a dramatic leap in total rainfall to 150 mm (5.9 in). The gradual rise in precipitation not only rejuvenates the landscape but also emphasizes the pattern of increasing moisture as the warmer months approach, making April a pivotal month in St. Moritz’s climatic rhythm.
April in St. Moritz, Switzerland, marks a transition in humidity levels, dipping to 84%. This slight decrease follows a gradual decline from the winter months, where January's humidity peaked at a steep 92% and remained high through February and March. As spring unfolds, the air becomes crisper, inviting outdoor enthusiasts to enjoy the breathtaking alpine scenery with relatively lower humidity. Moving into May and June, this trend continues, as humidity further lessens to 80% and 82%, respectively. This shift heralds the onset of summer activities, making April a pivotal month in St. Moritz's climatic rhythm.
As spring unfolds in St. Moritz, April brings a significant leap in the UV Index, soaring to 8, classified as very high. This marks a sharp increase from March's high index of 6, indicating that UV exposure becomes more intense as the days grow longer and sunnier. With a burn time of just 15 minutes, it's crucial for visitors to take precautions against the sun's powerful rays, especially when heading out to enjoy the breathtaking Swiss landscape. The trend continues into May and June, where the UV Index peaks at 9 and 10, reinforcing the need for sun safety during this vibrant time of year. For more details on managing UV exposure in this stunning alpine destination, explore St. Moritz UV Index.
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As spring blossoms in St. Moritz, April shines brightly with an impressive 336 hours of sunshine, heralding the season's best days. This increase in daylight is part of a delightful upward trend that starts in the winter months, with January's 179 hours gradually building towards April. The sunshine hours in this enchanting Swiss resort continue to gain momentum, ultimately peaking in July with 410 hours. April's radiant rays not only signify a shift from the frigid winter but also awaken the stunning alpine landscapes, inviting visitors to bask in the refreshing ambiance and vibrant scenery. With the days growing longer, St. Moritz in April truly embodies the promise of spring, paving the way for even sunnier days ahead.
In April, St. Moritz enjoys a 35% chance of sunny weather, a figure that reflects a slight decline from the previous month's 40%. As winter fades into spring, the likelihood of sunshine begins to taper off compared to the peak of March. Notably, this shift marks a transition as sunny days become less predictable, with May experiencing an even lower 28% chance. While April still holds promise for beautiful weather, it serves as a reminder that the Alpine environment is ever-changing, and visitors should be prepared for a mix of conditions as they embrace the breathtaking landscapes of this Swiss gem.
As spring unfurls, April in St. Moritz, Switzerland, boasts a delightful increase in daylight, offering an impressive 13 hours of sunlight. This notable surge is part of a broader trend where daylight gradually lengthens from the bleak winter months. Beginning with 9 hours in January and inching up to 11 hours by March, April signals a vibrant transition towards brighter days. The progression continues into May, peaking at 15 hours of daylight, before gently tapering off in the summer. This seasonal shift not only revitalizes the landscape but also invites residents and visitors alike to engage in outdoor activities, basking in the long-awaited sunshine.
In April, the gentle breezes of St. Moritz continue to dance through the air, maintaining an average wind speed of 1.6 m/s (4 mph)—consistent with the months preceding it. This reliable wind pattern not only brings a refreshing chill to the atmosphere but also enhances the picturesque charm of the Swiss Alps as spring approaches. As the seasons transition, the winds remain fairly stable, showing only slight fluctuations in speed throughout the earlier months of the year. With the arrival of May, the breeze slightly increases to 1.7 m/s (4 mph), hinting at the warmer days ahead. The overall trend demonstrates that while St. Moritz enjoys its calm winds during spring, they set the stage for the vibrant summer months to follow.
Weather in St. Moritz varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in St. Moritz, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present markedly different weather patterns. In April, the temperatures show a notable increase, with minimums around -19°C (-1°F) and maximums reaching 12°C (54°F), leading to an average temperature of -1°C (31°F). This month experiences 99 mm (3.9 in) of precipitation over about 12 days, and humidity sits at a comfortable 84%. In contrast, January is much colder, characterized by minimum temperatures dipping to -27°C (-17°F) and maximums only reaching 2°C (36°F), resulting in an average of -11°C (12°F). It receives less precipitation, with 75 mm (2.9 in) spread across 10 days and higher humidity at 92%. For more details on January weather, you can refer to St. Moritz weather in January.
In February, temperatures in St. Moritz are significantly lower, with a minimum of -28°C (-18°F) and an average of -8°C (18°F), compared to April, where the minimum rises to -19°C (-1°F) and the average sits at around -1°C (31°F). While February sees a maximum temperature of 6°C (43°F), April's warmer conditions allow for highs of up to 12°C (54°F). Precipitation levels are also higher in April, totaling 99 mm (3.9 in) over 12 days, while February brings about 59 mm (2.3 in) across 11 days. Interestingly, humidity remains high in both months, with February slightly higher at 89% compared to April's 84%. For further details, you can check St. Moritz weather in February.
In March, St. Moritz experienced colder temperatures with a minimum of -26°C (-14°F) and an average of -5°C (23°F), while April saw a noticeable warming trend, with temperatures ranging from a minimum of -19°C (-1°F) to an average of -1°C (31°F). The maximum temperature in March reached 11°C (52°F), slightly lower compared to April's maximum of 12°C (54°F). Precipitation was somewhat similar, with March recording 90 mm (3.5 in) over 13 days, compared to April's 99 mm (3.9 in) over 12 days. Humidity was also high in both months, at 87% in March and 84% in April, reflecting the damp conditions typical for this transitional period. For more details on March weather, visit St. Moritz weather in March.
April and May present a notable shift in weather conditions. April is characterized by colder temperatures, with a minimum of -19°C (–1°F) and an average of -1°C (31°F), while May brings slightly milder weather, seeing a minimum of -13°C (8°F) and an average of 3°C (38°F). Precipitation also increases from 99 mm (3.9 in) over 12 days in April to 150 mm (5.9 in) across 22 days in May, indicating that May tends to be wetter. Despite this increase in rain, May has a lower average humidity at 80% compared to April's 84%. For more detailed information about May weather, visit St. Moritz weather in May.
April and June present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -19°C (-1°F) to a more moderate maximum of 12°C (54°F), with an average of just -1°C (31°F). The month sees considerable precipitation, totaling 99 mm (3.9 in) over 12 days, accompanied by high humidity at 84%. In contrast, June experiences milder temperatures, with a minimum of -2°C (28°F) and a maximum that reaches a comfortable 25°C (77°F), averaging 9°C (49°F). However, June brings increased rainfall, accumulating 159 mm (6.3 in) over 19 days and maintaining a slightly lower humidity level of 82%. For more detailed insights, you can check St. Moritz weather in June.
April and July present contrasting weather conditions. In April, temperatures range from a chilly -19°C (-1°F) at night to a mild 12°C (54°F) during the day, with an average of around -1°C (31°F). The month is characterized by high humidity at 84% and frequent precipitation, totaling 99 mm (3.9 in) over 12 days. In contrast, July offers a much warmer climate, with temperatures varying from a minimum of 0°C (33°F) to a maximum of 23°C (73°F) and an average of 10°C (51°F). Rainfall increases in July as well, reaching 159 mm (6.3 in) across 21 days; however, humidity remains similar at 83%. For a closer look at July's weather, feel free to check St. Moritz weather in July.
April and August present distinct contrasts in weather conditions. In April, temperatures can dip as low as -19°C (−1°F), with an average temperature of -1°C (31°F) and a maximum of 12°C (54°F). The month experiences considerable precipitation of 99 mm (3.9 in) over 12 days, accompanied by high humidity levels at 84%. In contrast, August enjoys milder temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 21°C (70°F), with an average of 10°C (51°F). Rainfall increases significantly in August, reaching 195 mm (7.7 in) over 21 days, but humidity remains slightly lower at 80%. For more details, you can check the St. Moritz weather in August.
April and September exhibit notable differences in weather, reflecting the transition between winter and autumn. In April, temperatures range from a chilly minimum of -19°C (-1°F) to a maximum of 12°C (54°F), with an average around freezing at -1°C (31°F). The month experiences about 99 mm (3.9 in) of precipitation over approximately 12 days, accompanied by high humidity levels at 84%.
In contrast, September sees milder conditions with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 18°C (65°F), and an average temperature of 6°C (44°F). It is a wetter month, accumulating around 126 mm (5.0 in) of rainfall across 15 days, yet humidity remains similar at 83%. For more insights on September weather patterns, you can visit St. Moritz weather in September.
April and October present distinct weather patterns, with both months characterized by cool temperatures and significant precipitation. In April, temperatures range from a chilling -19°C (-1°F) at night to a mild 12°C (54°F) during the day, averaging around 1°C (31°F). The month receives about 99 mm (3.9 in) of precipitation over 12 days, coupled with a humidity level of 84%. In contrast, October experiences slightly milder temperatures, ranging from -10°C (14°F) to a maximum of 14°C (57°F), with an average of 2°C (36°F). Precipitation increases to approximately 148 mm (5.8 in) over 11 days, and humidity rises to 90%. For more detailed information about the weather in October, visit St. Moritz weather in October.
April and November exhibit contrasting weather patterns in terms of temperature and precipitation. In April, the temperatures range from a chilly minimum of -19°C (-1°F) to a more moderate maximum of 12°C (54°F), with an average around -1°C (31°F). April sees about 99 mm (3.9 in) of precipitation over approximately 12 days and experiences a humidity level of 84%. In contrast, November is typically colder, with temperatures dipping further, featuring a minimum of -22°C (-8°F) and a maximum of 8°C (47°F), while the average temperature rests at -4°C (25°F). November is also wetter, receiving about 132 mm (5.2 in) of precipitation over 14 days and showcasing a slightly higher humidity level of 88%. For more detailed information on the weather in November, check out St. Moritz weather in November.
April and December present contrasting weather conditions in terms of temperature and precipitation. In April, temperatures range from a minimum of -19°C (-1°F) to a maximum of 12°C (54°F), with an average of -1°C (31°F) and a relatively lower humidity of 84%. The month experiences around 99 mm (3.9 in) of precipitation over approximately 12 days. In contrast, December is markedly colder, with temperatures dipping to a minimum of -26°C (-14°F) and peaking at 2°C (37°F), leading to an average of -9°C (16°F). The month also sees increased precipitation at 125 mm (4.9 in) over 15 days, accompanied by higher humidity levels of 90%. For a more detailed comparison, check out St. Moritz weather in December.
As April unfolds in St. Moritz, the landscape experiences a significant transition, with temperatures swinging from winter's chill to mild spring warmth. While the month can still dip to surprisingly low temperatures, averaging around -1°C, it also offers glimpses of more pleasant days, peaking at 12°C. Precipitation remains a notable feature, with about 99 mm spread over 12 days, adding a refreshing touch to the crisp mountain air, marked by an impressive humidity of 84%. This unique blend of cool air and sporadic showers sets April apart from the harsher winter months and serves as a precursor to the lively summer season ahead. For a deeper look at how the weather shapes the experience in this beautiful destination, explore more at St. Moritz Climate.