April Weather in Rapperswil, Switzerland

Last updated: August 27, 2025

April in Rapperswil, Switzerland brings a delightful mix of springtime warmth and lingering chill, with maximum temperatures reaching 24°C (76°F) while the average hovers around 8°C (47°F). The month can be quite unpredictable, with a minimum temperature dipping to -7°C (19°F), showcasing the transitional nature of the season. Expect 12 days of precipitation, accumulating to 87 mm (3.4 in), and a notable humidity level of 84%. Overall, April's weather serves as a vivid reminder of the dynamic beauty that defines Rapperswil in spring, blending cozy and cool moments amid blossoming landscapes.

April Temperature in Rapperswil

In April, Rapperswil, Switzerland, experiences a beautiful transition into spring, marked by a notable increase in temperatures. The minimum temperature rises to a chilly -7°C (19°F), while the average warms significantly to 8°C (47°F). As the days grow longer, the mercury can soar to a delightful maximum of 24°C (76°F), inviting the locals and visitors alike to enjoy the blossoming landscape. This month stands out as the shift from the winter chill of previous months, with temperatures moving steadily upward, setting the stage for the even warmer days of May. Overall, April serves as a refreshing bridge to the vibrant warmth of summer in Rapperswil, offering a perfect backdrop for outdoor activities and nature appreciation.

April Weather in Rapperswil: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Rapperswil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rapperswil, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec323640475362656457494035
Data source: Temperature data for Rapperswil generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Rapperswil

In April, Rapperswil experiences a mild shift in precipitation, with 87 mm (3.4 inches) of rain falling over approximately 12 days. This marks a subtle decrease from March's 112 mm, indicating a trend towards drier conditions as spring progresses. Typically, April's showers are less frequent compared to the preceding months, yet they lay the groundwork for the lush growth of May, which sees a significant increase in precipitation to 159 mm. The change signals a transition from the chilly, wet winter months, with April serving as a bridge toward the heavier rains typical of late spring and summer, reflecting a larger seasonal pattern in the region.

April Precipitation Trends in Rapperswil

The chart displays monthly precipitation patterns in Rapperswil, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Rapperswil, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec127951128715918714515812412880155
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Rapperswil

In April, Rapperswil, Switzerland experiences a notable decrease in humidity, with levels dropping to 84%. This gradual decline follows the higher humidity of the winter months, peaking at 92% in January and remaining relatively high until March. As spring unfolds, the trend continues into May, when humidity further decreases to 80%, signaling a shift towards milder and more pleasant weather. This pattern illustrates the region’s transition from the damp chill of winter to the refreshing atmosphere of spring, providing a vibrant backdrop for outdoor activities in the months ahead.

April Average Humidity in Rapperswil

This chart illustrates the average monthly humidity levels in Rapperswil, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Rapperswil is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Rapperswil

As April unfolds in Rapperswil, Switzerland, residents and visitors can expect a notable uptick in UV exposure, with the UV Index reaching 7, categorized as high. This marks a significant jump from the moderate levels seen in March, reflecting the seasonal shift towards longer and sunnier days. With a burn time of just 25 minutes, it's essential to take extra precautions, such as applying sunscreen and wearing protective clothing, to safeguard against skin damage. As spring transitions into summer, the UV levels will continue to rise, peaking in the months ahead, so staying informed is crucial. For detailed information on UV trends throughout the year, visit Rapperswil UV Index.

Maximum UV Index Levels in Rapperswil for April

The chart shows the monthly maximum UV Index (UVI) for Rapperswil in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Rapperswil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810986432
Data source: Rapperswil April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Rapperswil

April marks a vibrant turning point in Rapperswil, Switzerland, where the sun begins to shine brighter and longer after the sleepier months of winter. With 355 hours of sunshine, April showcases a remarkable increase from 299 hours in March, signaling the arrival of spring and the anticipation of warmer days ahead. As nature awakens, the steady upward trend in sunshine hours continues, peaking with 365 hours in May. This gradual transition not only enhances the beauty of Rapperswil's picturesque landscape but also energizes the community, inviting both locals and visitors to revel in outdoor activities and the blossoming scenery. Embrace the warmth of April and let the burgeoning sunlight uplift your spirits in this enchanting lakeside haven.

Monthly Sunshine Duration in Rapperswil: April Highlighted

The April sunshine duration represents the total number of hours Rapperswil experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec163h227h299h355h365h382h410h377h314h275h211h183h
Data source: Rapperswil April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rapperswil During April

As April arrives in Rapperswil, Switzerland, the likelihood of sunny weather reaches a promising 47%, marking a notable increase from the preceding months. Following the winter months, where January sees only a 17% chance of sunshine, there's a gradual climb towards spring—February brings a 38% chance, and March slightly bumps it up to 44%. This upward trend makes April a more optimistic time for basking in the sun, before May's decrease to 33%. With spring in full swing, residents and visitors alike can look forward to more daylight and warmer days, creating the perfect backdrop for outdoor activities and local explorations.

Percentage of Sunny Days in April in Rapperswil

The chart illustrates the percentage of sunny days in Rapperswil throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rapperswil experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%38%44%47%33%32%34%37%43%41%29%36%
Data source: Rapperswil April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rapperswil in April

As spring takes hold in Rapperswil, Switzerland, April brings a significant increase in daylight hours, basking the city in approximately 13 hours of sunshine each day. This rise from the 11 hours in March marks a clear trend toward longer days, setting the stage for the sunnier months ahead. Following April, May enjoys even more daylight with 15 hours, creating ideal conditions for outdoor activities and vibrant floral displays. Overall, the progressive lengthening of daylight from the winter months signifies a joyful transition towards the warmth and brightness of summer, enhancing the charm of this picturesque lakeside town.

Average Daylight Hours in Rapperswil for April

The chart illustrates the variation in daylight duration in Rapperswil throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 56m10h 16m11h 56m13h 38m15h 6m15h 52m15h 28m14h 9m12h 30m10h 48m9h 18m8h 31m
Data source: Rapperswil daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Rapperswil

As April unfolds in Rapperswil, Switzerland, the winds gently stir, maintaining an average speed of 1.9 m/s (4 mph), a slight increase from the preceding months. This consistent breeze echoes the light, refreshing nature of spring, as it nudges the winter chill away. Interestingly, the wind speeds this month mirror those of February and show a stable trend, suggesting that nature is finding its rhythm after the colder months. Looking forward, as May approaches, a gentle uptick to 2.2 m/s (5 mph) is expected, promising to usher in the vibrant energy of early summer. This nuance in the wind’s character serves as a reminder of the shifting seasons, enhancing the enchanting ambiance of Rapperswil’s picturesque lakeside.

Average April Wind Speed in Rapperswil

The chart displays monthly wind speed patterns in Rapperswil, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.91.81.9 m/s2.21.51.61.51.51.61.61.9
Data source: Rapperswil April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Rapperswil Compares to Other Months

Weather in Rapperswil varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Rapperswil, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in April to that of January, notable differences emerge. April presents a broader temperature range, with minimums dropping to -7°C (19°F) and maximums climbing to a pleasant 24°C (76°F), resulting in an average of 8°C (47°F). In contrast, January is chillier, with temperatures ranging from a low of -12°C (10°F) to a high of 13°C (56°F), averaging just around freezing at 0°C (32°F). While April experiences a moderate level of precipitation at 87 mm (3.4 in) over 12 days, January sees heavier rainfall totaling 127 mm (5.0 in) across the same number of days, along with slightly higher humidity at 92% compared to April's 84%. For more detailed information on January weather, you can refer to Rapperswil weather in January.

In comparing the weather in April and February, it’s clear that April enjoys milder temperatures, with an average of 8°C (47°F) compared to February's chillier 2°C (36°F). While both months experience precipitation on 12 days, April sees slightly less at 87 mm (3.4 in), compared to February's 95 mm (3.7 in). Humidity levels are also marginally lower in April at 84%, versus 89% in February, making April feel more comfortable for outdoor activities. For more detailed information on February weather, you can visit Rapperswil weather in February.

In comparing the weather between March and April, there are several notable differences. April experiences significantly milder temperatures, with minimums of -7°C (19°F) and maximums reaching 24°C (76°F), compared to March's colder range of -16°C (4°F) to a high of 19°C (67°F). The average temperature in April is also higher at 8°C (47°F), while March averages only 4°C (40°F). However, March sees more precipitation overall, with 112 mm (4.4 in) over 17 days, while April has 87 mm (3.4 in) spread over 12 days. Humidity levels remain relatively similar, with March at 87% and April slightly lower at 84%. For more specific details, you can refer to Rapperswil weather in March.

April weather generally features a wider temperature range, with minimums dipping as low as -7°C (19°F) and maximums reaching 24°C (76°F). The average temperature stands at 8°C (47°F), accompanied by a substantial amount of rainfall, totaling 87 mm (3.4 in) over about 12 days. In contrast, May experiences milder conditions with minimum temperatures around -5°C (24°F) and maximums peaking at 28°C (84°F), resulting in an average of 12°C (53°F). However, May is notably wetter, with precipitation increasing to 159 mm (6.3 in) across approximately 20 days, although humidity slightly decreases to 80%. For more specific details about May weather, you can refer to Rapperswil weather in May.

April and June exhibit distinct differences in weather patterns. In April, temperatures fluctuate from a chilly minimum of -7°C (19°F) to a pleasant maximum of 24°C (76°F), with an average of 8°C (47°F). This month experiences significant precipitation, totaling 87 mm (3.4 in) over about 12 days, contributing to a high humidity level of 84%. In contrast, June presents a much warmer climate, with minimum temperatures of 4°C (40°F) and maximums reaching up to 32°C (90°F), averaging 17°C (63°F). The total rainfall in June is notably higher at 187 mm (7.4 in) over 17 days, paired with a slightly lower humidity of 82%. For more details about the weather in June, you can visit Rapperswil weather in June.

April and July present contrasting weather patterns. In April, temperatures range from a chilly -7°C (19°F) at night to a pleasant maximum of 24°C (76°F) during the day, with an average of 8°C (47°F). The month experiences about 87 mm (3.4 in) of precipitation across 12 days, along with relatively high humidity at 84%. In contrast, July boasts milder nights with a minimum of 8°C (47°F) and a warm average temperature of 18°C (65°F), peaking at a hot 33°C (91°F). Rainfall increases to 145 mm (5.7 in) over 16 days, while humidity remains slightly lower at 83%. For a detailed look at July's weather, check out Rapperswil weather in July.

In April, the weather is quite variable, with temperatures ranging from a chilly -7°C (19°F) at night to a mild 24°C (76°F) during the day, averaging around 8°C (47°F). This month sees around 87 mm (3.4 in) of precipitation over about 12 days, accompanied by a relatively high humidity level of 84%. In contrast, August offers warmer conditions, with minimum temperatures of 8°C (46°F) and highs reaching up to 32°C (90°F), giving an average of 18°C (65°F). The total precipitation in August rises to 158 mm (6.2 in) across approximately 15 days, while humidity is slightly lower at 80%. This comparison highlights the transition from the cool, often unpredictable spring of April to the warm, summer-like climate experienced in August. For more specific details about August weather, check out Rapperswil weather in August.

April and September present distinct variations in weather patterns. In April, temperatures can dip as low as -7°C (19°F) at night but reach a pleasant average of 8°C (47°F) during the day, peaking at 24°C (76°F). The month is characterized by significant precipitation, totaling around 87 mm (3.4 in) over approximately 12 days, with humidity levels remaining high at 84%.

Conversely, September offers a milder range, with nighttime lows of 2°C (36°F) and daytime averages climbing to about 14°C (57°F), peaking at 27°C (80°F). It experiences slightly heavier rainfall, accumulating around 123 mm (4.9 in) over 14 days, and maintains a similar humidity level of 83%. For more detailed information about September weather, you can visit Rapperswil weather in September.

April and October present distinctly different weather patterns. In April, temperatures range from a brisk -7°C (19°F) to a pleasant 24°C (76°F), with an average of 8°C (47°F), while October features a milder temperature range between 0°C (32°F) and 22°C (72°F), averaging at 10°C (50°F). Precipitation is more frequent in October, with 128 mm (5.0 in) over 13 days, compared to April's 87 mm (3.4 in) spread over 12 days. Both months experience high humidity, though October is slightly more humid at 90%, compared to April's 84%. For more details, check out Rapperswil weather in October.

April and November present distinct yet moderate weather patterns. In April, temperatures range from a chilly -7°C (19°F) at night to a pleasant max of 24°C (76°F) during the day, resulting in an average of 8°C (47°F). This month sees a total precipitation of 87 mm (3.4 in) spread over about 12 days, with a humidity level of 84%. In contrast, November has slightly warmer minimum temperatures at -5°C (24°F) and a cooler maximum of 20°C (69°F), leading to an average temperature of 4°C (40°F). It experiences a similar amount of rainfall at 80 mm (3.1 in) over 13 days, while humidity rises slightly to 88%. For a detailed look at November weather, you can check Rapperswil weather in November.

April and December present notably different weather patterns. In April, temperatures range from a minimum of -7°C (19°F) to a maximum of 24°C (76°F), with an average temperature of 8°C (47°F). This month typically sees 87 mm (3.4 in) of precipitation over about 12 days, accompanied by a humidity level of 84%. In contrast, December experiences colder temperatures, with a minimum of -10°C (14°F), an average of 2°C (35°F), and a maximum of 12°C (54°F). Precipitation in December amounts to 155 mm (6.1 in) spread over 19 days, and the humidity is slightly higher at 90%. For more details, you can check Rapperswil weather in December.

Compare Rapperswil's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Rapperswil

April in Rapperswil showcases a striking transition as winter's chill gives way to the warmth of spring. With temperatures ranging vividly from a brisk low to a pleasantly mild high, this month serves as a reminder of the climate's varied palette. While average humidity remains elevated at 84%, the frequent showers, accumulating to 87 mm over 12 days, nourish the blooming landscape. As nature awakens, April stands in contrast to the preceding colder months, inviting residents and visitors alike to enjoy the fleeting beauty of spring. For a more detailed look at the year-round climate, visit Rapperswil Climate.