July Weather in Solothurn, Switzerland

Last updated: August 27, 2025

In July, Solothurn, Switzerland experiences a vibrant summer climate marked by a maximum temperature soaring up to 35°C (95°F), while the average temperature settles around a pleasant 19°C (67°F). However, the month is not without its quirks, as temperatures can dip to a refreshing 8°C (47°F) during the cooler nights. While basking in the warmth, visitors should also be prepared for occasional showers, with an average precipitation amount of 140 mm (5.5 in) over 15 days. High humidity levels at 82% can make the heat feel more intense, creating a lush and verdant landscape typical of this enchanting Swiss locale.

July Temperature in Solothurn

In July, Solothurn, Switzerland, basks in the warmth of summer, with temperatures showcasing a delightful range. The month starts off with a minimum of 8°C (47°F), ensuring pleasant nights, while the average temperature reaches a comfortable 19°C (67°F). Daytime brings the heat, with temperatures soaring to a balmy 35°C (95°F), making it the warmest month of the year. This trend of rising warmth follows a gradual progression from the cooler months, illustrating a significant contrast with January's chilling min of -13°C (9°F) and max of 16°C (61°F). Overall, July’s temperatures highlight a vibrant peak in Solothurn's seasonal cycle, encouraging outdoor adventures and lively summer activities against a backdrop of stunning Swiss landscapes.

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

The chart illustrates July temperature patterns in Solothurn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Solothurn, 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).
JanFebMarAprMayJunJulAugSepOctNovDec333842495564676659504036
Data source: Temperature data for Solothurn 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.

July Precipitation in Solothurn

In July, Solothurn, Switzerland experiences a notable surge in precipitation, with 140 mm (5.5 in) recorded, making it one of the wetter months of the year. This rain falls over 15 days, striking a balance between manageable summer showers and more persistent downpours. The trend from preceding months showcases a progression in rainfall, with June contributing 134 mm and May seeing a peak of 149 mm—indicating that the early summer months are marked by consistently high moisture levels. As we move into August, precipitation remains high at 145 mm, reinforcing a pattern of wet summers that support the lush landscapes of the region. This shift towards increased rainfall in midsummer not only impacts local agriculture but also enriches the natural scenery, enhancing the vibrant beauty for visitors and residents alike.

July Precipitation Trends in Solothurn

The chart displays monthly precipitation patterns in Solothurn, 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 Solothurn, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec978097691491341401457710279130
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Solothurn

In July, Solothurn experiences a humidity level of 82%, maintaining a consistent trend seen since the previous month. The warm summer air results in slightly elevated humidity compared to the drier months of May and August, which record 80% and 77%, respectively. Interestingly, July's humidity reflects a stabilizing pattern after a gradual decline from earlier spring levels, starting with 91% in January and tapering down as the year progresses. This moderate humidity provides a pleasant ambiance for both locals and visitors, making it an ideal time to enjoy the city's scenic views and outdoor activities.

July Average Humidity in Solothurn

This chart illustrates the average monthly humidity levels in Solothurn, 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 Solothurn is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Solothurn

In July, Solothurn, Switzerland, experiences a high level of sun exposure, with a UV Index of 9, placing it in the "very high" category for the second consecutive month. At this level, the burn time is a mere 15 minutes, highlighting the importance of sun protection during outdoor activities. This peak in sun intensity follows a gradual increase from a more moderate index of 5 in March to an alarming 8 and 9 from May through July. After the sun-drenched months of late spring and summer, the UV Index dips to 8 in August and then gradually decreases in the fall. For those looking to stay informed about the UV levels and protect their skin, a detailed overview can be found at Solothurn UV Index.

Maximum UV Index Levels in Solothurn for July

The chart shows the monthly maximum UV Index (UVI) for Solothurn 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 Solothurn typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Solothurn 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 Solothurn

In Solothurn, Switzerland, July shines as a beacon of warmth and light, boasting an impressive 417 hours of sunshine—the highest of the year. This peak follows a steady ascent from the year's start, where the sun barely graced the sky with 161 hours in January. As spring unfurls, the days grow longer and sunnier, culminating in the vibrant month of July. However, even as August brings a slight dip to 385 hours, the summer radiance remains prominent, suggesting a seasonal trend that makes Solothurn a delightful escape during these sun-soaked months. As the year progresses into autumn, the charm of these sunny days gives way to cooler temperatures and fewer hours of sunlight, yet the warmth of July lingers in memory.

Monthly Sunshine Duration in Solothurn: July Highlighted

The July sunshine duration represents the total number of hours Solothurn 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h226h298h357h370h388h417h385h325h282h224h185h
Data source: Solothurn July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Solothurn During July

In Solothurn, Switzerland, the likelihood of sunny weather in July stands at a moderate 36%, slightly below the peak of spring months where sunny chances surpass 45%. Notably, this summer month experiences a dip compared to the sunniest time of the year, which tends to be in August. The overall trend indicates that while July offers a fair chance of sunshine, it is subtly eclipsed by the brighter prospects of late summer, as well as the early bursts of spring when sun-loving locals can more eagerly anticipate clear skies. However, with June's similar 31% and May's higher 32%, the transition through these early summer months is characterized by fluctuating sun patterns, making each sunny day in July a welcome moment in the heart of Solothurn’s seasonal charm.

Percentage of Sunny Days in July in Solothurn

The chart illustrates the percentage of sunny days in Solothurn 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 Solothurn experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%36%45%49%32%31%36%38%40%34%23%26%
Data source: Solothurn July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Solothurn in July

In Solothurn, Switzerland, the month of July enjoys a generous 15 hours of daylight, maintaining the same luminous glow as June. As the year progresses, daylight increases from just 8 hours in January to a peak in the summer months, showcasing nature’s vibrant spectacle. Following July, daylight begins to wane gradually in August, dropping to 14 hours. This trend illustrates a clear seasonal rhythm, where longer, sunlit days of spring and summer are gradually replaced by the shorter days of autumn and winter, providing a captivating glimpse into the cyclical changes of light throughout the year.

Average Daylight Hours in Solothurn for July

The chart illustrates the variation in daylight duration in Solothurn throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m
Data source: Solothurn daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Solothurn

In July, Solothurn experiences a gentle shift in its wind dynamics, with an average wind speed of 1.9 m/s (4 mph). This marks a slight increase from June's calm breezes, which averaged just 1.6 m/s (4 mph). As summer reaches its peak, the winds tend to ease, reflecting a trend of lower average wind speeds through the warmer months. Notably, the July winds are among the softest of the year, a stark contrast to the slightly brisker conditions seen in the earlier spring months, where winds hovered around 2.3 m/s (5 mph). This tranquil atmosphere in July invites outdoor activities, as the gentle winds provide a comfortable backdrop to the warm summer days in this picturesque Swiss town.

Average July Wind Speed in Solothurn

The chart displays monthly wind speed patterns in Solothurn, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.22.32.32.71.61.9 m/s1.81.61.92.12.4
Data source: Solothurn July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Solothurn Compares to Other Months

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

July and January in Solothurn present a stark contrast in weather. July boasts a range from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), with an average temperature of 19°C (67°F). This summer month experiences significant humidity at 82% and approximately 140 mm (5.5 in) of precipitation over 15 days. In contrast, January is much colder, with temperatures ranging from a frigid -13°C (9°F) to a mild high of 16°C (61°F), and an average temperature of just 1°C (33°F). Although January has less precipitation at 97 mm (3.8 in) over 13 days, the humidity is slightly higher at 91%. The differences in weather between these two months significantly impact activities and lifestyle in the region. For more details on January weather, visit Solothurn weather in January.

In comparing the weather of July and February, we see a striking contrast in temperatures and conditions. July boasts a much warmer climate with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F) and an average of 19°C (67°F). In this summer month, Solothurn experiences substantial precipitation of 140 mm (5.5 in) over 15 days, combined with high humidity levels at 82%. In contrast, February presents a chilly landscape, featuring a minimum temperature of -11°C (13°F) and an average of just 3°C (38°F), peaking at 18°C (64°F). The winter month sees less rainfall at 80 mm (3.1 in) over 12 days, though humidity remains relatively high at 89%. For more detailed information about February weather, check out Solothurn weather in February.

In comparing July and March weather, it's evident that there is a significant difference in temperatures and overall climate conditions. July boasts a minimum temperature of 8°C (47°F) and can reach as high as 35°C (95°F), with an average temperature of 19°C (67°F). The month is also characterized by high humidity at 82% and notable precipitation of 140 mm (5.5 in) over about 15 days.

In contrast, March experiences much colder conditions, with temperatures ranging from a chilling minimum of -13°C (9°F) to a maximum of 21°C (69°F) and an average of only 6°C (42°F). Although March has slightly less precipitation at 97 mm (3.8 in), it occurs over a comparable number of days (16), accompanied by higher humidity at 87%.

For a more detailed look at March weather in Solothurn, you can visit Solothurn weather in March.

In comparing the weather of July to April, it’s clear that July tends to be significantly warmer and more humid. While April experiences milder temperatures with an average of 9°C (49°F) and a maximum of 25°C (78°F), July boasts a broader range, with an average of 19°C (67°F) and peak temperatures soaring up to 35°C (95°F). Precipitation levels also show a marked difference, with July receiving 140 mm (5.5 in) over approximately 15 days, compared to April's 69 mm (2.7 in) spread over 12 days. Interestingly, humidity remains relatively high in both months, at 84% in April and 82% in July, creating a lush summer atmosphere. For a detailed look at April weather specifics, check out Solothurn weather in April.

July and May offer strikingly different weather profiles. In July, temperatures range from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F), with an average of 19°C (67°F). The month is quite humid, with humidity levels around 82%, and it experiences approximately 140 mm (5.5 in) of precipitation over 15 days. In contrast, May sees cooler temperatures, with a minimum of -1°C (31°F), an average of 13°C (55°F), and a maximum of 29°C (85°F). It has a slightly higher total precipitation of 149 mm (5.9 in) spread over 18 days, and a marginally lower humidity rate of 80%. For a more detailed look at May’s weather, check out Solothurn weather in May. Overall, July tends to be hotter and more humid, while May offers a more moderate and variable climate.

In comparing the weather between June and July, July typically experiences slightly higher temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), compared to June's minimum of 5°C (41°F) and average of 18°C (65°F). While both months share a similar maximum temperature, with July peaking at 35°C (95°F) and June at 34°C (93°F), July also sees more precipitation, totaling 140 mm (5.5 in) over 15 rainy days, compared to June's 134 mm (5.3 in) over 17 days. Humidity remains consistent at 82% for both months, creating a muggy atmosphere. For more detailed information, you can check out Solothurn weather in June.

In comparing the weather between July and August, we see some interesting nuances. July showcases a wider temperature range, with minimums at 8°C and maximums peaking at 35°C, while August experiences slightly cooler temperatures, with a minimum of 6°C and a maximum of 33°C. Both months boast similar average temperatures, around 19°C, but July is notably more humid, with a humidity level of 82% compared to August's 77%. Precipitation is also slightly higher in August, accumulating to 145 mm over 17 days, while July sees 140 mm over 15 days. For more details, you can check out the Solothurn weather in August.

July and September present notably different weather patterns. In July, temperatures range from a minimum of 8°C (47°F) to a scorching maximum of 35°C (95°F), with an average of 19°C (67°F). The month also experiences significant rainfall, totaling 140 mm (5.5 in) over 15 days, accompanied by high humidity levels at 82%. In contrast, September brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 29°C (84°F), leading to a more moderate average of 15°C (59°F). Rainfall decreases to 77 mm (3.0 in) over 12 days, and humidity slightly lowers to 81%. Overall, September offers a shift towards cooler and drier conditions compared to the heat and humidity of July. For more details on September weather, visit Solothurn weather in September.

In July, the weather is typically warm with an average temperature of 19°C (67°F), peaking at a high of 35°C (95°F) and experiencing significant humidity at 82%. The month sees considerable rainfall, with 140 mm (5.5 in) of precipitation spread over 15 days. In contrast, October presents a cooler climate, with average temperatures around 10°C (50°F) and a maximum of 23°C (73°F). Although it is less rainy than July, October still records 102 mm (4.0 in) of precipitation over 14 days, accompanied by heightened humidity at 89%. For more detailed insights, you can check Solothurn weather in October.

When comparing the weather in July and November, distinct differences emerge. July typically boasts warmer temperatures, with averages around 19°C (67°F) and highs reaching up to 35°C (95°F), while November sees much cooler conditions, averaging just 4°C (40°F) and peaking at 20°C (68°F). Additionally, July experiences higher humidity levels at 82% and more precipitation of 140 mm (5.5 in) over approximately 15 days, compared to November's 79 mm (3.1 in) spread over 13 days. For a closer look at the specifics of November weather, you can visit Solothurn weather in November.

In July, the weather in Solothurn is characterized by warm temperatures, ranging from a cool 8°C (47°F) at night to a maximum of 35°C (95°F) during the day, with an average temperature of 19°C (67°F). The month experiences a fair amount of rainfall, totaling 140 mm (5.5 in) over approximately 15 days, and the humidity is relatively high at 82%. In contrast, December brings a much colder climate, with temperatures plummeting as low as -7°C (20°F) and averaging just 2°C (36°F), peaking at 13°C (57°F). While precipitation is slightly less at 130 mm (5.1 in), it falls over more days, about 19, and the humidity increases to 91%. For a more detailed look at December weather, visit Solothurn weather in December.

Compare Solothurn's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Solothurn

In July, Solothurn transforms into a vibrant summer destination, boasting significantly warmer temperatures compared to the cooler months. With highs reaching up to 35°C (95°F) and an average temperature hovering around 19°C (67°F), the month radiates warmth and invites all manner of outdoor activities. However, expect some variability in weather, as July also brings moderate precipitation, with around 15 days of rain contributing to an overall humidity of 82%. This combination makes for lush landscapes but also requires visitors to be prepared for sudden showers. For a deeper understanding of how July fits into the yearly weather cycle, explore the detailed insights at Solothurn Climate.