July Weather in Romanshorn, Switzerland

Last updated: August 27, 2025

July in Romanshorn, Switzerland, offers a delightful summer experience with temperatures reaching a maximum of 32°C (90°F) and an average of 19°C (67°F), providing warm days ideal for outdoor activities. However, expect cooler nights with lows dipping to 11°C (51°F). The month is characterized by widespread precipitation, totaling 146 mm (5.7 in) over 16 days, contributing to a refreshing humidity level of 83%. Whether basking in the sun or enjoying the gentle rain, July's weather sets the perfect backdrop for exploring this scenic lakeside town.

July Temperature in Romanshorn

In July, Romanshorn basks in the warmth of summer, with temperatures ranging from a pleasant minimum of 11°C (51°F) to a balmy maximum of 32°C (90°F). This month features an average temperature of 19°C (67°F), making it one of the warmest times of the year. The weather is ideal for outdoor activities and enjoying the scenic beauty of the Swiss lakeside. As the season unfolds, the gradual increase in warmth from the cooler months of spring and the even warmer summer months of August creates a delightful atmosphere, perfect for both locals and visitors to explore and engage in the vibrant life that Romanshorn offers.

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

The chart illustrates July temperature patterns in Romanshorn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Romanshorn, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323641495665676659514236
Data source: Temperature data for Romanshorn 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 Romanshorn

In July, Romanshorn experiences a substantial precipitation of 146 mm (5.7 in), indicative of the summer's potential for rainfall. This month, much like its predecessor, June, maintains a high level of moisture with 16 rainy days, reflecting a trend of increased rainfall during the summer months. The combination of warm temperatures and persistent rain can lead to lush landscapes, as evidenced by the even higher precipitation recorded in August at 175 mm (6.9 in). In comparison, April and May show a lower frequency and amount of rain, indicating a shift towards a wetter climate as the year progresses into the heart of summer. Overall, July’s rainfall not only underscores the variability of Swiss weather but also highlights a pattern of peak precipitation through the warmer months, enriching the region’s verdant scenery.

July Precipitation Trends in Romanshorn

The chart displays monthly precipitation patterns in Romanshorn, 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 Romanshorn, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10983987614215214617511711873131
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Romanshorn

In Romanshorn, Switzerland, July brings a modest drop in humidity to 83%, providing a brief respite from the high moisture levels that characterize the earlier months. This trend reflects a gradual decline from the 92% humidity of January, with humidity decreasing steadily until May, when it reaches its lowest point at 80%. As summer unfolds, humidity stabilizes in July and August, before experiencing a slight uptick again in September. Overall, while July's humidity may not be as low as summertime locations, it represents a pivotal moment in the year's humidity cycle, gently transitioning from the heavy dampness of winter and early spring.

July Average Humidity in Romanshorn

This chart illustrates the average monthly humidity levels in Romanshorn, 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 Romanshorn 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 Romanshorn

During July, Romanshorn experiences a very high UV Index of 9, consistent with the preceding month of June. This elevated level signifies that sun exposure can lead to skin damage in just 15 minutes for those with fair skin. As summer reaches its peak, residents and visitors are advised to take precautions when outdoors, including wearing protective clothing and using sunscreen. Interestingly, from May onward, the UV Index climbs sharply, reflecting the region's transition into the sunnier months, before gradually decreasing in August. For further information on UV trends throughout the year, check out Romanshorn UV Index.

Maximum UV Index Levels in Romanshorn for July

The chart shows the monthly maximum UV Index (UVI) for Romanshorn 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 Romanshorn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986431
Data source: Romanshorn 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 Romanshorn

July in Romanshorn, Switzerland, sparkles with an impressive 405 hours of sunshine—the peak of summer radiance. As the year progresses, there's a tangible upward trend, with sunlight hours increasing steadily from the winter months. This delightful month stands in stark contrast to January’s mere 154 hours, showcasing the vibrant shift from cold to warmth. Following July, August still enjoys a generous 373 hours, though a gentle decline hints at the approaching autumn. This sunny sequence encapsulates the essence of summer in Romanshorn, where long, sun-drenched days invite outdoor adventures and leisurely strolls along the shores of Lake Constance.

Monthly Sunshine Duration in Romanshorn: July Highlighted

The July sunshine duration represents the total number of hours Romanshorn 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.
JanFebMarAprMayJunJulAugSepOctNovDec154h223h291h348h359h381h405h373h315h276h213h176h
Data source: Romanshorn July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Romanshorn During July

In Romanshorn, Switzerland, July enjoys a 33% chance of sunny weather, placing it among the more modestly bright months of the year. While slightly lower than June's and August's averages of 34%, July still stands out compared to the earlier months. Notably, this summer month follows a gradual rise in sun likelihood from January's meager 17% up to April's 48% before settling into a consistent pattern during the summer. Although sunshine is by no means guaranteed, Romanshorn's July weather maintains a pleasant charm, reflecting the region's overall transition toward sunnier days as summer progresses.

Percentage of Sunny Days in July in Romanshorn

The chart illustrates the percentage of sunny days in Romanshorn 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 Romanshorn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%41%42%48%34%34%33%34%44%35%26%28%
Data source: Romanshorn July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Romanshorn in July

In Romanshorn, Switzerland, the month of July stands out with its remarkable consistency, offering 15 hours of daylight—a peak that mirrors the preceding month of June. As summer unfolds, daylight begins to dwindle slightly in August at 14 hours, signaling the transition towards fall. The year starts with a modest 8 hours in January, gradually increasing as the seasons shift, reaching a sunny plateau of 15 hours in both May and July. This pattern of gradual light accumulation culminates in the longest days of summer, before gradually tapering down in the months that follow. Overall, July encapsulates the essence of vibrant summer days, providing ample opportunity for outdoor adventures and enjoying the natural beauty of the Swiss landscape.

Average Daylight Hours in Romanshorn for July

The chart illustrates the variation in daylight duration in Romanshorn throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 54m10h 14m11h 55m13h 39m15h 8m15h 54m15h 30m14h 10m12h 31m10h 48m9h 16m8h 28m
Data source: Romanshorn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Romanshorn

In Romanshorn, Switzerland, July experiences a gentle reprieve with an average wind speed of just 1.6 m/s (4 mph), consistent with the lighter breezes of both June and August. This subdued wind pattern marks a noticeable trend compared to the more dynamic conditions of earlier spring months like May, where speeds peaked at 2.3 m/s (5 mph). As summer unfolds, the calmer winds create a serene atmosphere, perfect for leisurely strolls along the picturesque shores of Lake Constance. The steady yet mild breezes of July contribute to the region's charm, inviting both locals and visitors to embrace the tranquil summer days.

Average July Wind Speed in Romanshorn

The chart displays monthly wind speed patterns in Romanshorn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.01.81.81.92.31.61.6 m/s1.61.41.61.71.9
Data source: Romanshorn July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Romanshorn Compares to Other Months

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

July and January present starkly contrasting weather conditions. July boasts a pleasant temperature range, with minimums around 11°C (51°F), averages of 19°C (67°F), and maximums reaching up to 32°C (90°F). However, it is also quite humid, with humidity levels at 83% and precipitation occurring on 16 days, totaling 146 mm (5.7 in). In contrast, January is characterized by much colder temperatures, ranging from a chilling minimum of -16°C (3°F) to a maximum of 13°C (55°F), with an average temperature of about 0°C (33°F). Despite the cold, January experiences slightly less precipitation at 109 mm (4.3 in) over 12 days, while humidity is notably higher at 92%. For more details, you can refer to Romanshorn weather in January.

When comparing the weather in July and February, there's a notable contrast in temperatures and conditions. July features a comfortable average temperature of 19°C (67°F), with highs reaching up to 32°C (90°F), while February remains much colder, with an average of just 2°C (37°F) and a maximum of 16°C (62°F). Precipitation is more frequent in July, occurring on 16 days and totaling 146 mm (5.7 in), compared to February’s 83 mm (3.3 in) over 12 days. Interestingly, February also experiences higher humidity levels at 89%, slightly surpassing July's 83%. For a more detailed look at February's climate, you can check Romanshorn weather in February.

In comparing the weather of July and March, we see striking differences in temperature and conditions. July boasts a much warmer climate, with temperatures ranging from a chilly 11°C (51°F) to a maximum of 32°C (90°F) and an average of 19°C (67°F). In contrast, March presents a drastically cooler scenario, with temperatures swinging from a frigid -14°C (6°F) to a maximum of 19°C (67°F) and an average of only 5°C (42°F). Additionally, while July experiences more precipitation at 146 mm (5.7 inches) over 16 days, March is slightly drier with 98 mm (3.8 inches) over the same number of days, accompanied by higher humidity levels of 87% compared to July's 83%. For a more detailed look at the weather during this chilly month, check out Romanshorn weather in March.

July in Romanshorn is characterized by significantly warmer temperatures, with averages ranging from a minimum of 11°C (51°F) to a maximum of 32°C (90°F), compared to the cooler April temperatures, which span from a chilly -4°C (24°F) to a maximum of 24°C (76°F). While July experiences more rain with 146 mm (5.7 in) of precipitation over 16 days, April's precipitation totals 76 mm (3.0 in) over just 9 days. Both months see high humidity levels, but July's average humidity is slightly lower at 83%, compared to April's 84%. For more detailed insights, check out Romanshorn weather in April.

In comparing the weather between May and July, it's evident that July is generally warmer, with average temperatures reaching 19°C (67°F) compared to May's average of 13°C (56°F). While both months experience a similar amount of precipitation—146 mm in July and 142 mm in May—the rainy days are identical at 16. Additionally, humidity is slightly higher in July at 83%, compared to 80% in May, contributing to a more muggy feeling during the summer month. If you want to learn more about May weather specifically, you can visit Romanshorn weather in May.

In comparing the weather between June and July, both months exhibit relatively mild temperatures, with July having a slightly higher average temperature of 19°C (67°F) compared to June's 18°C (65°F). However, June experiences a slightly cooler minimum temperature of 6°C (43°F), while July's minimum is 11°C (51°F). July also sees a higher maximum temperature of 32°C (90°F), just narrowly below June's peak of 33°C (91°F).

Precipitation levels are fairly similar, with July receiving 146 mm (5.7 in) over 16 rainy days, compared to June's 152 mm (6.0 in) across 15 days. Humidity levels are consistent between the two months, with July at 83% and June at 82%. For more detailed insights on June's weather, visit Romanshorn weather in June.

In July, temperatures ranged from a minimum of 11°C (51°F) to a maximum of 32°C (90°F), with an average of 19°C (67°F). The month experienced significant rainfall, totaling 146 mm (5.7 in) over 16 days, and humidity levels were relatively high at 83%. In contrast, August saw slightly cooler minimum temperatures of 9°C (49°F) and a higher maximum of 33°C (91°F), while maintaining the same average temperature of 19°C (67°F). Precipitation increased to 175 mm (6.9 in) but fell over just 14 days, resulting in a reduction in humidity to 80%. For more detailed weather information, you can visit Romanshorn weather in August.

July and September present distinct differences in weather patterns. In July, temperatures range from a low of 11°C (51°F) to a high of 32°C (90°F), with an average of 19°C (67°F). This month also experiences significant precipitation, totaling 146 mm (5.7 inches) over 16 rainy days, while the humidity remains high at 83%. In contrast, September sees cooler temperatures, with a minimum of 4°C (39°F), an average of 15°C (59°F), and a maximum of 26°C (80°F). Rainfall is slightly less, at 117 mm (4.6 inches) over 12 days, and the humidity remains consistent at 83%. For more details on September weather, visit Romanshorn weather in September.

In comparing the weather between July and October, one can observe significant differences in temperature and precipitation. July boasts a much warmer climate, with minimum temperatures around 11°C (51°F) and maximums reaching 32°C (90°F). In contrast, October sees colder conditions, with temperatures dipping to a minimum of 1°C (34°F) and an average of 11°C (51°F), maxing out at 22°C (72°F). While July experiences higher humidity at 83% and a total precipitation of 146 mm (5.7 in) over 16 days, October has slightly lower precipitation at 118 mm (4.7 in) over 13 days, yet it features a higher humidity level of 90%. For a more detailed look at the October weather in Romanshorn, visit Romanshorn weather in October.

July and November present strikingly different weather patterns. In July, temperatures soar with a minimum of 11°C (51°F) and an average of 19°C (67°F), peaking at a warm 32°C (90°F). This month experiences significant rainfall, with 146 mm (5.7 in) over 16 days, accompanied by high humidity at 83%. In contrast, November showcases a cooler climate, where temperatures range from a chilly minimum of -2°C (28°F) to an average of 5°C (42°F) and a maximum of 20°C (68°F). Rainfall is considerably lighter, totaling 73 mm (2.9 in) across 11 days, and humidity rises slightly to 88%. For more detailed insights, you can check Romanshorn weather in November.

In July, the weather is warm and sunny with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 32°C (90°F), averaging around 19°C (67°F). Humidity is relatively high at 83%, and the month sees approximately 146 mm (5.7 in) of precipitation over 16 days. In contrast, December brings a stark chill, with temperatures plummeting to a minimum of -9°C (16°F) and a maximum of 13°C (55°F), averaging just 2°C (36°F). Precipitation remains close to July's levels at 131 mm (5.2 in), but it occurs over a greater number of days, totaling 19. The humidity during December is slightly higher at 90%, contributing to the crisp, wintry feel. For a more detailed perspective, you can check Romanshorn weather in December.

Compare Romanshorn's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Romanshorn

As July rolls in, Romanshorn experiences a delightful shift in weather characterized by warmer temperatures and increased humidity compared to other months. With an inviting average temperature around 19°C, the days occasionally heat up to a maximum of 32°C, offering perfect conditions for outdoor activities. However, July also brings a fair share of rain, with precipitation occurring on about 16 days, contributing to the region's lush landscapes. This combination of warmth and humidity creates a vibrant summer atmosphere, distinguishing July from the cooler, drier months of the year. For a deeper dive into how Romanshorn's climate varies throughout the seasons, visit Romanshorn Climate.