July Weather in Rapperswil, Switzerland

Last updated: August 27, 2025

July in Rapperswil, Switzerland offers a vibrant tapestry of weather experiences, with maximum temperatures reaching a sizzling 33°C (91°F) and an average of 18°C (65°F), perfect for summer outings. While the days can be warm, evenings often bring a refreshing chill, with minimum temperatures dipping to 8°C (47°F). This month, however, isn't just about the heat; a noteworthy 145 mm (5.7 in) of rainfall over 16 days hints at a wet summer, contributing to the region’s lush landscapes. Coupled with a humidity level of 83%, residents and visitors alike will experience the lush embrace of nature, making July a unique blend of sun and showers in this picturesque Swiss town.

July Temperature in Rapperswil

In July, Rapperswil, Switzerland, experiences a delightful spike in temperatures, marking the height of summer. With minimums around 8°C (47°F) and average highs reaching a warm 33°C (91°F), this month sees a significant rise compared to the cooler months preceding it. The transition from June's average of 17°C (63°F) to July’s balmy 18°C (65°F) suggests a smooth and pleasant ascent into warmer days, perfect for enjoying the stunning lakeside views. Visitors can expect bright, sunny days that are ideal for outdoor activities, making July not just the warmest month but also a vibrant time for exploring the natural beauty and cultural charm of this lovely Swiss town.

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

The chart illustrates July 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, July 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.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Rapperswil

In July, Rapperswil experiences a notable increase in precipitation, with 145 mm (5.7 in) recorded over 16 days, making it a month of refreshing summer showers. This rainfall sits comfortably between the heavy downpours of June and the slightly drier spells that follow in August, which sees 158 mm across just 15 days. The patterns suggest that July acts as a transition point, maintaining a vibrant green landscape while balancing sunny days with refreshing rain. Overall, the summer months in Rapperswil highlight an interesting interplay of wet and dry days, with July playing a crucial role in sustaining the region's lush beauty.

July Precipitation Trends in Rapperswil

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

In Rapperswil, Switzerland, July brings a slight dip in humidity, with levels settling at 83%. This modest decrease follows the higher humidity of June at 82%, indicating a cooling trend as summer progresses. Throughout the year, the area experiences its peak humidity in the winter months of January and December, both hitting an impressive 92%. As the seasons transition from spring to summer, humidity levels gradually decrease, reaching their annual low in August at 80%. Overall, while July maintains a relatively high humidity level, the summer months showcase a refreshing shift from the long, damp winters, inviting warmer breezes into this serene lakeside town.

July Average Humidity in Rapperswil

This chart illustrates the average monthly humidity levels in Rapperswil, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Rapperswil

In July, Rapperswil experiences a very high UV Index of 9, making sun protection a priority for outdoor enthusiasts and sunbathers alike. With a burn time of just 15 minutes, it's essential to apply sunscreen and seek shade during peak hours. This month typically showcases the trend of increasing UV levels throughout the spring and summer, peaking in June before slightly decreasing in August. As summer unfolds, residents and visitors are reminded to stay vigilant against overexposure while enjoying the sunny weather. For more information on UV levels and precautions, visit Rapperswil UV Index.

Maximum UV Index Levels in Rapperswil for July

The chart shows the monthly maximum UV Index (UVI) for Rapperswil in July, 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 July, the maximum UV index in Rapperswil typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357810986432
Data source: Rapperswil July 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.

July Sunshine in Rapperswil

July is the crown jewel of sunshine in Rapperswil, Switzerland, basking in 410 hours of radiant light. This peak in sunlight follows a steady ascent from the winter months, where January begins with a mere 163 hours. As the seasons transition, the days lengthen, leading to May and June each enjoying over 360 hours of sunshine, setting the stage for July's dazzling brilliance. While August still offers a generous 377 hours, the clear trend showcases July as the month when Rapperswil truly shines, embracing the warmth and vibrancy of summer like no other time of the year. This seasonal ebb and flow not only captivates locals but also beckons visitors to experience the picturesque beauty of this lakeside gem during its sunniest peak.

Monthly Sunshine Duration in Rapperswil: July Highlighted

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

Chance of Sun in Rapperswil During July

In Rapperswil, Switzerland, July presents a moderate chance of sunny weather, with the likelihood of sunshine sitting at 34%. This figure reflects a subtle increase from the earlier summer months of June (32%) and May (33%), indicating a slight upward trend as the season progresses. Interestingly, while July's sunshine potential is lower than August's 37%, it still benefits from much brighter days compared to the winter months, particularly January, which offers a mere 17% chance of sun. Overall, July serves as a welcome midpoint in the year for those hoping to soak up some summer rays amid the picturesque backdrop of Rapperswil.

Percentage of Sunny Days in July in Rapperswil

The chart illustrates the percentage of sunny days in Rapperswil throughout the year, with July 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 July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rapperswil in July

In Rapperswil, Switzerland, July shines as a peak of summer, boasting 15 hours of daylight that perfectly captivate the essence of the season. Following the progression from January's stark 8 hours, the days steadily lengthened through spring, with April and May bringing the promise of longer evenings. June maintains this vibrant daylight duration, seamlessly transitioning into July, where the days are at their longest, inviting residents and visitors alike to bask in the warmth of sunshine. As summer begins to wane, August sees a subtle decline to 14 hours, signaling a gentle shift towards the shorter days of autumn, with September's 12 hours marking the gradual retreat of summer's luminance. This fluctuation not only highlights the beauty of seasonal change but also the extended opportunities for outdoor activities and gatherings during the sun-filled days of July.

Average Daylight Hours in Rapperswil for July

The chart illustrates the variation in daylight duration in Rapperswil throughout the year, with July 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.

July Winds in Rapperswil

In Rapperswil, Switzerland, July brings a gentle touch to the summer, with an average wind speed of 1.6 m/s (about 4 mph). This slight breeze is indicative of a trend observed from earlier months, where the wind typically hovers around similar calm levels. Compared to the more dynamic winds of late spring, like May's 2.2 m/s, and the shifts observed in colder months, July's cooling currents create a serene atmosphere, perfect for lakeside strolls and outdoor gatherings. As summer progresses, the winds remain stable, offering a comforting backdrop that enhances the picturesque charm of this beautiful Swiss town.

Average July Wind Speed in Rapperswil

The chart displays monthly wind speed patterns in Rapperswil, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.91.81.92.21.51.6 m/s1.51.51.61.61.9
Data source: Rapperswil July wind data, generated using information from the Copernicus Climate Change Service.

How July 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 July’s weather to other months in Rapperswil, focusing on differences in temperature, rainfall, humidity, and UV levels.

July and January present strikingly different weather patterns. In July, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average of 18°C (65°F). This month experiences considerable precipitation, with a total of 145 mm (5.7 in) spread over 16 days, and humidity levels averaging 83%. Conversely, January showcases much colder conditions, with temperatures ranging from a minimum of -12°C (10°F) to a maximum of 13°C (56°F) and an average temperature of 0°C (32°F). January sees slightly less precipitation, totaling 127 mm (5.0 in) over 12 days, coupled with higher humidity at 92%. For a more detailed look at January weather, refer to this link: Rapperswil weather in January.

In July, the weather is warm and varied, with temperatures ranging from a chilly 8°C (47°F) at night to a scorching 33°C (91°F) during the day, averaging around 18°C (65°F). The month sees significant rainfall, accumulating 145 mm (5.7 in) over 16 days, contributing to a humidity level of 83%. In stark contrast, February experiences frigid temperatures, with lows plunging to -15°C (6°F) and highs reaching only 17°C (62°F), averaging just 2°C (36°F). Although February has less total precipitation at 95 mm (3.7 in) over 12 days, the humidity is slightly higher at 89%. For more specific details on February weather, you can check Rapperswil weather in February.

In comparing the weather between July and March, we observe significant differences in temperature and overall climate conditions. July boasts a much warmer range, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), averaging around 18°C (65°F). In contrast, March experiences much colder temperatures, dipping as low as -16°C (4°F) and reaching a maximum of 19°C (67°F), with an average of only 4°C (40°F). Additionally, July features higher precipitation levels, totaling 145 mm (5.7 in) over 16 days, compared to March's 112 mm (4.4 in) over 17 days. Interestingly, while March is slightly more humid at 87%, July maintains a high humidity level of 83%. For more detailed insights, you can check Rapperswil weather in March.

July and April showcase distinctly different weather patterns. In July, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average temperature of 18°C (65°F). The month also experiences substantial precipitation of 145 mm (5.7 in) across 16 days, accompanied by high humidity at 83%. In contrast, April has cooler temperatures, ranging from a minimum of -7°C (19°F) to a maximum of 24°C (76°F), with an average of 8°C (47°F). Precipitation is lower at 87 mm (3.4 in) over 12 days and slightly drier conditions are observed, given the humidity of 84%. For more details, you can check Rapperswil weather in April.

July and May present quite different weather patterns, highlighting the transition from spring to summer. In July, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average temperature of 18°C (65°F). The month is characterized by higher humidity at 83% and significant precipitation totaling 145 mm (5.7 in) over 16 days. In contrast, May experiences cooler temperatures, with a range from -5°C (24°F) to 28°C (84°F) and an average of 12°C (53°F). Despite slightly more precipitation at 159 mm (6.3 in) over 20 days, May's humidity is slightly lower at 80%. Together, these months illustrate the notable shift toward warmer and more humid conditions as summer approaches. For a closer look at local weather trends, check out Rapperswil weather in May.

In comparing the weather between June and July, we see notable differences in temperature and precipitation. July boasts a wider temperature range, with a minimum of 8°C (47°F) and a maximum of 33°C (91°F), leading to an average temperature of 18°C (65°F). This is slightly warmer than June, which has a minimum temperature of 4°C (40°F) and an average of 17°C (63°F). Despite July having fewer days of precipitation (16 days) compared to June (17 days), it still experiences significant rainfall, with 145 mm (5.7 in) compared to June's 187 mm (7.4 in). Furthermore, the humidity remains relatively high in both months, with July at 83% and June at 82%. For more detailed insights, you can check the Rapperswil weather in June.

July and August display similar temperature patterns, with both months having a minimum temperature around 8°C (46-47°F) and an average of 18°C (65°F). However, July tends to be slightly warmer at a maximum of 33°C (91°F), compared to August's peak of 32°C (90°F). Precipitation in August is a bit higher at 158 mm (6.2 in) over 15 days, compared to July's 145 mm (5.7 in) across 16 days, indicating slightly wetter conditions in August despite lower humidity levels at 80% compared to July’s 83%. For more detailed insights into the weather for the month, check out Rapperswil weather in August.

In July, the weather is significantly warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F) and an average of 18°C (65°F). It is also characterized by higher precipitation, totaling 145 mm (5.7 in) over 16 days, with humidity remaining high at 83%. In contrast, September brings cooler temperatures, with a minimum of 2°C (36°F), an average of 14°C (57°F), and a maximum of 27°C (80°F). Although there is slightly less rainfall at 123 mm (4.9 in) over 14 days, the humidity stays consistent at 83%. For more specific insights about weather conditions in September, you can visit Rapperswil weather in September.

In July, temperatures range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), resulting in a warm average of 18°C (65°F). However, the month is also characterized by high humidity at 83% and significant precipitation, with 145 mm (5.7 in) spread over 16 days. In contrast, October experiences cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 22°C (72°F), leading to an average of 10°C (50°F). While October has slightly less rainfall at 128 mm (5.0 in) over 13 days, the humidity is even higher at 90%. For more details on October weather, you can check Rapperswil weather in October.

In comparing the weather between July and November, it's clear that these months contrast significantly. July boasts a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 33°C (91°F) and an average of 18°C (65°F). The month experiences considerable precipitation, totaling 145 mm (5.7 in) over 16 days, accompanied by high humidity at 83%. In stark contrast, November sees much cooler temperatures, with a minimum of -5°C (24°F), an average of 4°C (40°F), and a maximum of 20°C (69°F). The precipitation in November is lower at 80 mm (3.1 in) across 13 days, though humidity rises slightly to 88%. For a detailed look at the weather specific to this time, you can check Rapperswil weather in November.

July and December present contrasting weather conditions. July experiences a temperature range from a minimum of 8°C (47°F) to a maximum of 33°C (91°F), with an average of 18°C (65°F). It's typically a warm month with significant precipitation totaling 145 mm (5.7 in) over about 16 rainy days, accompanied by a humidity level of 83%. In stark contrast, December brings much 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 is slightly higher at 155 mm (6.1 in), spread over 19 days, and the humidity increases to 90%. For more details on December weather, you can check Rapperswil weather in December.

Compare Rapperswil's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Rapperswil

As July unfolds in Rapperswil, visitors can expect a notable shift in weather compared to other months. The warmth peaks with high temperatures reaching up to 33°C (91°F), offering a vibrant and lively atmosphere ideal for outdoor activities. However, this summer month also brings with it an increase in precipitation—with numerous days of rain adding to the lush scenery, making it a lush yet humid experience with humidity levels around 83%. If you're planning a trip during this month, it's important to be prepared for both the sun and the occasional downpour. To learn more about what to expect throughout the year, check out Rapperswil Climate.