July Weather in Suzhou, China

Last updated: August 21, 2025

In July, Suzhou, China experiences a hot and humid climate, with maximum temperatures reaching up to 37°C (99°F) and an average of 28°C (82°F). While the city enjoys long, warm days, it also faces significant precipitation, totaling 319 mm (12.6 in) over approximately 14 rainy days throughout the month. The high humidity level of 88% adds to the sweltering heat, creating a tropical atmosphere that defines this vibrant time of year in Suzhou. Visitors should prepare for both sunshine and showers while enjoying the lush landscapes characteristic of this season.

July Temperature in Suzhou

In July, Suzhou experiences its warmest temperatures, with minimums around 20°C (67°F) and averages reaching a balmy 28°C (82°F). The maximums can soar up to 37°C (99°F), making it a peak time for heat in this scenic city. This pattern is indicative of a transitional climate, where the summer heat becomes more intense as the month progresses, following the milder spring months. Interestingly, June and August show similar average temperatures of 27°C (80°F) and 28°C (82°F), respectively, yet July stands out with its higher maximum, creating a sultry atmosphere perfect for enjoying Suzhou’s lush gardens and vibrant culture while basking in the warm glow of summer.

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

The chart illustrates July temperature patterns in Suzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec364152617280828274625239
Data source: Temperature data for Suzhou 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 Suzhou

In July, Suzhou experiences a significant surge in precipitation, with an astonishing 319 mm (12.6 in) of rain falling over 14 days. This marks a stark contrast to the lighter showers of earlier months, highlighting July as one of the wettest periods of the year. The rainfall nearly doubles that of June, which had 135 mm (5.3 in) over just 7 days. This intensification is indicative of the seasonal shift into the hot, humid summer, where moisture-laden air leads to increased rainfall. As the summer continues, July's substantial downpours pave the way for lush greenery, making it a pivotal month in Suzhou's annual weather pattern.

July Precipitation Trends in Suzhou

The chart displays monthly precipitation patterns in Suzhou, 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 Suzhou, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec322539366713531916879492921
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Suzhou

During July, Suzhou, China experiences its peak humidity at an impressive 88%, marking a significant rise compared to the preceding months. This summer swelter follows a gradual increase from 68% in January to 79% in June, illustrating a clear upward trend as warmer weather settles in. The intense humidity in July not only heightens the discomfort of the summer heat but also sets the stage for a more manageable drop in moisture in the months that follow, as August sees a decrease to 84%. This pattern indicates a humid climate that gradually transitions into drier conditions as the year progresses, reflecting the distinctive seasonal shifts characteristic of this region.

July Average Humidity in Suzhou

This chart illustrates the average monthly humidity levels in Suzhou, 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 Suzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%81%82%80%79%88%84%71%75%84%77%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Suzhou

In July, Suzhou, China experiences a UV Index of 10, classified as very high, necessitating protective measures for outdoor activities. This month continues the trend set in June, where the UV levels soar, with a consistent burn time of just 15 minutes under direct sunlight. As summer peaks, residents and visitors should be particularly vigilant, following the pattern established since April when UV exposure levels began to rise sharply. The escalating indices from the spring months underscore the importance of sun safety practices, as the UV Index remains elevated through to August. For more insights about the UV levels throughout the year, visit Suzhou UV Index.

Maximum UV Index Levels in Suzhou for July

The chart shows the monthly maximum UV Index (UVI) for Suzhou 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 Suzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4578101010109853
Data source: Suzhou 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 Suzhou

In July, Suzhou basks in an impressive 304 hours of sunshine, making it one of the sunniest months of the year. This peak in sunlight follows a steady increase from the year’s earlier months, with January starting at a modest 177 hours. As spring gives way to summer, the city experiences a delightful surge in daylight, peaking just before the cooler months set in. With July's radiant rays outshining its summer counterparts—August captures 301 hours and June enjoys 298 hours—it's clear that this month stands as a luminous highlight. This trend not only enhances the scenic beauty of Suzhou but also invites both locals and visitors to enjoy the vibrant outdoors, embracing the warmth and energy of summer.

Monthly Sunshine Duration in Suzhou: July Highlighted

The July sunshine duration represents the total number of hours Suzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec177h231h264h263h293h298h304h301h262h231h228h234h
Data source: Suzhou July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Suzhou During July

In Suzhou, China, the likelihood of sunny weather takes a noticeable dip in July, with a mere 26% chance of sunshine. This month stands out amidst a generally upward trend in the sunniest months, where the chances increase significantly as the year turns towards winter. Notably, January and February start off strong with 57% and 49% respectively, but the spring months show a decline, suggesting that the summer heat often brings cloudy skies. Following July, there's a slight rebound in August at 36% and September at 43%, hinting that while July may be a transitional month, Suzhou enjoys more sun as the summer fades into autumn. Overall, if you're planning to bask in the sun, it may be wiser to choose another month when the chances are more favorable.

Percentage of Sunny Days in July in Suzhou

The chart illustrates the percentage of sunny days in Suzhou 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 Suzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%49%32%31%38%37%26%36%43%38%64%71%
Data source: Suzhou July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Suzhou in July

In July, Suzhou, China enjoys a splendid 14 hours of daylight, marking the midpoint of summer's brightness. This peak is preceded by a gradual increase from 10 hours in January to a more generous 14 hours in June, showcasing the city’s transition from winter's short days to the long, sunlit hours of summer. As the month progresses, daylight begins to wane slightly, with August offering 13 hours of light. This gradual ebb of daylight reminds us that while summer peaks in July, the vibrant warmth continues into the following months, making it a delightful time for exploration and outdoor activities in Suzhou.

Average Daylight Hours in Suzhou for July

The chart illustrates the variation in daylight duration in Suzhou throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 10m10h 57m11h 58m13h 1m13h 53m14h 19m14h 6m13h 20m12h 21m11h 19m10h 24m9h 56m
Data source: Suzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Suzhou

In Suzhou, China, July brings a refreshing shift with an average wind speed of 3.6 m/s (8 mph), marking the month's peak in breezy conditions. This is a notable increase compared to the lighter winds of June, which averaged just 2.7 m/s. It's interesting to observe that on either side of July, wind speeds trend downward, with August experiencing a slowdown to 2.3 m/s (5 mph). The summer heat may intensify, but the gentle winds of July offer a pleasant respite, creating an ideal atmosphere for outdoor activities amidst the season's warmth. Overall, July stands out as a month where the winds invigorate the landscape, enhancing the charm of Suzhou during the summer.

Average July Wind Speed in Suzhou

The chart displays monthly wind speed patterns in Suzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.53.02.93.12.73.6 m/s2.32.82.72.92.6
Data source: Suzhou July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Suzhou Compares to Other Months

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

July and January present starkly contrasting weather conditions. July in Suzhou sees a warm climate with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 37°C (99°F), accompanied by high humidity at 88% and significant rainfall totaling 319 mm (12.6 in) over 14 days. In contrast, January offers a much colder experience, with temperatures dipping as low as -11°C (12°F) and averaging just 2°C (36°F). Precipitation in January is significantly lower at 32 mm (1.3 in) over just 4 days, and humidity is also lower at 68%. For more detailed information, you can check Suzhou weather in January.

July and February present strikingly different weather patterns. In July, temperatures soar with a minimum of 20°C (67°F) and an average high of 28°C (82°F), reaching up to a scorching 37°C (99°F). This warm month also experiences significant rainfall, totaling 319 mm (12.6 in) over 14 days, and high humidity levels at 88%. In contrast, February is much cooler, with temperatures ranging from a frigid -7°C (20°F) to a maximum of 26°C (78°F), averaging around 5°C (41°F). With far less precipitation at 25 mm (1.0 in) over just 5 days and lower humidity at 73%, February offers a stark relief from July's heat. For more insights, check out Suzhou weather in February.

In comparing the weather in July and March, a stark contrast becomes evident. July boasts much warmer temperatures, with a minimum of 20°C (67°F) and an average of 28°C (82°F), peaking at a sweltering 37°C (99°F). In addition, it experiences significant precipitation of 319 mm (12.6 in) over 14 days, with high humidity levels at 88%. Conversely, March features much cooler conditions, with temperatures ranging from a chilly -2°C (29°F) to a more pleasant maximum of 28°C (83°F) and an average of only 11°C (52°F). Precipitation is minimal at 39 mm (1.5 in) over just 6 days, accompanied by a lower humidity level of 81%. For more detailed insights into March weather in Suzhou, you can check this link: Suzhou weather in March.

When comparing the weather in July and April, there is a stark contrast in temperature and precipitation. July boasts a significantly higher average temperature of 28°C (82°F), with maximums reaching up to 37°C (99°F), while April's average temperature is a cooler 16°C (61°F) and peaks at 32°C (89°F). In terms of precipitation, July is much wetter, experiencing 319 mm (12.6 in) over 14 days compared to April's 36 mm (1.4 in) over just 6 days. Humidity levels are also higher in July at 88%, while April maintains a slightly lower level of 82%. For more detailed information, you can check Suzhou weather in April.

When comparing the weather in July and May, it is evident that July is significantly warmer and wetter. In July, temperatures range from a minimum of 20°C (67°F) to a scorching maximum of 37°C (99°F) with an average of 28°C (82°F), while May offers a cooler experience with temperatures ranging from 9°C (49°F) to the same maximum of 37°C (98°F), averaging at 22°C (72°F). Additionally, July sees considerably more precipitation, with 319 mm (12.6 in) over 14 days, compared to May's 67 mm (2.6 in) over just 6 days. Humidity also tends to be higher in July at 88%, compared to May's 80%. For a more detailed look at May weather, you can visit Suzhou weather in May.

In comparing the weather of June and July, July presents a distinctly warmer environment, with average temperatures reaching 28°C (82°F) compared to June's average of 27°C (80°F). However, July experiences notably higher humidity at 88%, making it feel more uncomfortable, while June has a lower humidity level of 79%. Additionally, July sees a significant increase in precipitation, accumulating 319 mm (12.6 in) over 14 days, in contrast to June's 135 mm (5.3 in) over just 7 days, which can be explored further at Suzhou weather in June.

In comparing the weather between July and August, both months exhibit warm average temperatures, with July having slightly higher temperatures, ranging from a minimum of 20°C (67°F) to a maximum of 37°C (99°F), compared to August’s range of 17°C (63°F) to 36°C (97°F). July is also characterized by significantly higher precipitation, totaling 319 mm (12.6 in) over 14 days, while August sees a reduction in rainfall, totaling 168 mm (6.6 in) over just 13 days. Additionally, humidity levels are marginally lower in August at 84%, compared to July’s high of 88%. For more detailed information, visit Suzhou weather in August.

July and September present contrasting weather patterns, highlighting the transition from the peak of summer to the onset of early autumn. In July, temperatures can soar, with an average of 28°C (82°F) and peaks reaching up to 37°C (99°F), accompanied by a high humidity level of 88%. This month also experiences significant rainfall, totaling 319 mm (12.6 in) over 14 days, creating a muggy atmosphere. In contrast, September sees a dip in temperatures, with an average of 23°C (75°F) and a maximum of 34°C (93°F). The humidity decreases to 71%, and rainfall significantly lessens to 79 mm (3.1 in) over just 7 days. Such differences make September a more comfortable month overall. For more detailed insights, you can refer to Suzhou weather in September.

July weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 28°C (82°F), peaking at a scorching 37°C (99°F). This month is also marked by frequent rainfall, accumulating 319 mm (12.6 in) over about 14 days, and high humidity levels at 88%. In stark contrast, October experiences much cooler temperatures, ranging from a minimum of 2°C (37°F) to an average of 17°C (62°F), with a maximum of 34°C (94°F). The precipitation drops significantly to 49 mm (1.9 in) over just 5 days and humidity levels decrease to 75%. For a more detailed view of October's climate, you can visit Suzhou weather in October.

In July, the weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 28°C (82°F), peaking at 37°C (99°F). This month also sees significant rainfall, with 319 mm (12.6 in) of precipitation occurring over 14 days and high humidity levels of 88%. In contrast, November experiences much cooler weather, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 26°C (79°F), averaging at 11°C (52°F). Rainfall drops drastically to 29 mm (1.1 in) over just 4 days, and humidity is slightly lower at 84%. For more detailed information, you can check Suzhou weather in November.

The weather in July presents a stark contrast to that in December. In July, temperatures soar with a minimum of 20°C (67°F) and an average high reaching up to 37°C (99°F), accompanied by high humidity levels of 88% and significant rainfall of 319 mm (12.6 in) over 14 days. In stark contrast, December features frigid temperatures, with a minimum of -13°C (9°F) and an average temperature of just 4°C (39°F), peaking at a maximum of 18°C (64°F). Precipitation is minimal in December, totaling only 20 mm (0.8 in) across just 3 days, coupled with lower humidity at 77%. For more details on December conditions, you can visit Suzhou weather in December.

Compare Suzhou's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Suzhou

July in Suzhou presents a vibrant yet steamy atmosphere, distinguishing itself with its high temperatures and humidity compared to other months. This peak summer month sees daily highs that often soar, making it the hottest time of the year. With an average temperature that comfortably warms the days, the nights remain quite balmy as well. However, the considerable precipitation, over half of which can fall within 14 days, adds a tropical feel to the air, contributing to the staggering humidity levels. For those planning their visit, understanding the unique July climate is essential for enjoying all that Suzhou has to offer. For more detailed information, check out Suzhou Climate.