July Weather in Nantong, China

Last updated: August 21, 2025

In Nantong, China, July presents a sizzling climate characterized by maximum temperatures soaring up to 40°C (104°F), with an average temperature of 29°C (84°F) and a comfortable minimum of 23°C (74°F). The month witnesses significant moisture, with precipitation amounts reaching 129 mm (5.1 in) over 17 days, leading to a humidity level of 84%. This combination of high heat and frequent rainfall creates a tropical atmosphere, making July a month of both intense warmth and abundant greenery in the region.

July Temperature in Nantong

In July, Nantong, China experiences its hottest temperatures of the year, with minimums soaring to 23°C (74°F) and averages climbing to a stifling 29°C (84°F). The heat peaks dramatically, with maximums reaching a blistering 40°C (104°F), creating a sweltering atmosphere that encourages locals and visitors alike to seek refuge in shaded areas and cool off by the water. This month marks a significant shift from the milder temperatures seen in the earlier summer weeks, highlighting the transition into the height of the hot season. As the humidity rises alongside the temperatures, July truly embodies the quintessential summer heat of Nantong, making relief and hydration essential for all.

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

The chart illustrates July temperature patterns in Nantong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nantong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535360667379848380726456
Data source: Temperature data for Nantong 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 Nantong

In July, Nantong experiences a noticeable dip in precipitation compared to the preceding month, with 129 mm (5.1 in) of rainfall over 17 days. This amount marks a significant decrease from June's heavy downpour of 301 mm (11.8 in). Interestingly, while July's rainfall is lighter, it still plays a crucial role in the region's wet summer climate. Following July, August anticipates a surge in rainfall again, with projections soaring to 280 mm (11.0 in). This cyclical pattern highlights the ebb and flow of Nantong's monsoon season, where mid-summer offers a brief respite before the rains return with renewed vigor. Overall, the precipitation trend in July encapsulates the transitional phase within the broader seasonal context, contributing to the area's lush landscapes.

July Precipitation Trends in Nantong

The chart displays monthly precipitation patterns in Nantong, 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 Nantong, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec427714211221130112928097596932
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Nantong

In Nantong, China, July ushers in a humidity level of 84%, which is slightly lower than the peak of 85% seen in May. This mid-summer month continues the trend of elevated humidity levels that start in spring and gradually decline as the year progresses. Interestingly, while January and February maintain a constant humidity of 73%, the months leading to July showcase a steady rise, highlighting the region's subtropical climate. Following July, humidity sees a slight decrease in August before dropping to 70% in September, signaling the approach of the cooler autumn months. Overall, Nantong's July weather exemplifies the warm, humid conditions typical of the region, making it a vibrant yet steamy time of year.

July Average Humidity in Nantong

This chart illustrates the average monthly humidity levels in Nantong, 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 Nantong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%81%85%81%84%83%70%73%77%79%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Nantong

In July, Nantong, China, experiences a UV Index of 13, categorizing it within the extreme exposure level. This consistent intensity means that sunburn can occur in as little as 10 minutes of unprotected sun exposure, paralleling the high levels seen in June and the same levels expected in August. The pattern illustrates a peak in UV radiation during the summer months, making it critical for residents and visitors alike to take necessary precautions. As the season progresses, the UV Index remains elevated, reminding everyone of the importance of sun safety throughout this time. For more detailed information on UV levels throughout the year, visit Nantong UV Index.

Maximum UV Index Levels in Nantong for July

The chart shows the monthly maximum UV Index (UVI) for Nantong 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 Nantong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911121213131311986
Data source: Nantong 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 Nantong

July shines brightly in Nantong, China, bringing an impressive 309 hours of sunshine that marks the peak of summer. This month stands out not just for its warmth but as a culmination of a steady increase in daylight hours, which began in January with only 176 hours. From the brisk days of winter to the blossoming warmth of spring, each month witnesses a gradual ascent in sunshine, with May leading the charge at 273 hours. Even as we move into August, the sun continues to grace the skies, although slightly less than July at 293 hours. Anticipating these patterns allows residents and visitors alike to savor every golden moment, making July a truly radiant highlight in Nantong's annual climate.

Monthly Sunshine Duration in Nantong: July Highlighted

The July sunshine duration represents the total number of hours Nantong 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h215h243h252h273h224h309h293h278h249h217h212h
Data source: Nantong July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nantong During July

In Nantong, China, the likelihood of sunny weather fluctuates significantly throughout the year, with July reflecting some intriguing trends. After a notable dip in sunny days leading into summer, July presents a 23% chance of sunshine, which, while higher than the preceding months of June and May, still lags behind the late summer months of August and September. This suggests that, while July may offer intermittent sun, it remains one of the less favorable months for clear skies in this region. The upward trend in sunlight opportunities post-summer indicates that those looking for brighter days might want to plan their visits around late summer, as the weather slowly brightens after the humid summer lows.

Percentage of Sunny Days in July in Nantong

The chart illustrates the percentage of sunny days in Nantong 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 Nantong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%41%32%25%12%5%23%17%45%25%31%36%
Data source: Nantong July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nantong in July

In Nantong, China, July marks a peak in daylight duration, boasting 13 hours of sunlight that aligns with the vibrant heart of summer. This month, along with June and August, enjoys the longest days, a notable trend following a gradual increase from January's mere 10 hours of daylight. The transition from the cooler winter months gradually shifts to longer, sunnier days as spring progresses, culminating in the warm and bright days of summer. As September approaches, daylight begins to taper off, creating a natural rhythm of light that reflects the changing seasons, with daylight durations carefully mirroring the year's climatic dance.

Average Daylight Hours in Nantong for July

The chart illustrates the variation in daylight duration in Nantong throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 42m11h 16m12h12h 46m13h 24m13h 43m13h 33m13h12h 16m11h 31m10h 52m10h 32m
Data source: Nantong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Nantong

In July, Nantong experiences a refreshing breeze, with the average wind speed reaching 2.1 m/s (5 mph), mirroring the brisk pace of January. This mid-summer wind provides a welcome contrast to the warmer temperatures, creating a pleasant atmosphere for outdoor activities. Interestingly, the wind speeds begin to show a slight upward trend as autumn approaches, culminating in the invigorating 2.6 m/s (6 mph) in October. Overall, July serves as a transitional point where the gentle winds of spring and the more vigorous currents of fall converge, enriching the coastal charm of Nantong.

Average July Wind Speed in Nantong

The chart displays monthly wind speed patterns in Nantong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.11.91.72.01.61.62.1 m/s1.81.62.61.92.1
Data source: Nantong July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Nantong Compares to Other Months

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

July and January in Nantong present a striking contrast in weather conditions. July boasts warm temperatures, with a minimum of 23°C (74°F) and an average high reaching up to 40°C (104°F), accompanied by high humidity at 84% and significant precipitation of 129 mm over 17 days. In contrast, January features a much chillier climate, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 30°C (87°F) and a more manageable average of 12°C (53°F). The month sees considerably less precipitation, totaling just 42 mm over 5 days, and lower humidity at 73%. To learn more about January weather specifics, you can check Nantong weather in January.

July and February exhibit stark contrasts in weather patterns. In July, temperatures soar with averages around 29°C (84°F), peaking at a scorching 40°C (104°F), while February experiences a much cooler range, averaging 12°C (53°F) and barely reaching a high of 30°C (86°F). Additionally, July sees significant rainfall with about 129 mm (5.1 in) over 17 days, whereas February is drier with just 77 mm (3.0 in) across 9 days. Humidity levels also differ, with July’s humidity at a high 84% compared to February’s more moderate 73%. For more insights on February weather specifics, you can check Nantong weather in February.

In comparing the weather between July and March, it's clear that the two months exhibit striking differences in temperature and precipitation patterns. July boasts significantly warmer temperatures, with an average of 29°C (84°F) and a maximum reaching up to 40°C (104°F), while March is much cooler, featuring an average of 15°C (60°F) and a maximum of 32°C (90°F). Moreover, July experiences higher humidity levels at 84%, compared to March's 80%. Interestingly, both months see a similar amount of precipitation, with July recording 129 mm (5.1 in) over 17 days and March experiencing 142 mm (5.6 in) over 16 days. For a more in-depth look at March weather patterns, you can visit Nantong weather in March.

In comparing the weather between July and April, there is a stark contrast in temperature and humidity levels. July experiences much warmer temperatures, with minimums around 23°C (74°F), averages of 29°C (84°F), and maximums soaring up to 40°C (104°F). In contrast, April sees cooler conditions, with minimums dropping to 6°C (43°F), averages at 19°C (66°F), and a maximum of 33°C (91°F). While both months experience rainfall, July is slightly wetter, with 129 mm (5.1 in) of precipitation over 17 days compared to April's 112 mm (4.4 in) over 13 days. The humidity also remains high in both months, but July's humidity averages at 84%, while April's is slightly lower at 81%. To learn more about April weather in Nantong, visit Nantong weather in April.

When comparing the weather in July and May, notable differences emerge. July experiences higher temperatures, ranging from a minimum of 23°C (74°F) to a maximum of 40°C (104°F), with an average temperature of 29°C (84°F). In contrast, May has a more moderate temperature profile, with minimums of 9°C (49°F), an average of 23°C (74°F), and maximums reaching 37°C (100°F).

Precipitation is higher in May, totaling 211 mm (8.3 in) over 18 days, compared to July's 129 mm (5.1 in) spread across 17 days. Both months have similar humidity levels, with July at 84% and May at 85%. For more details on the weather patterns in May, visit Nantong weather in May.

Comparing the weather of July and June reveals distinct differences in temperature and precipitation. July experiences a higher average temperature, with a minimum of 23°C (74°F) and a maximum reaching up to 40°C (104°F), compared to June's minimum of 16°C (61°F) and maximum of 37°C (99°F). Additionally, July is marked by reduced rainfall, accumulating 129 mm (5.1 in) over 17 days, while June has significantly more precipitation at 301 mm (11.8 in) over 21 days. Humidity levels remain fairly high in both months, with July at 84% and June slightly lower at 81%. For more details on June weather, you can refer to Nantong weather in June.

In comparing the weather between July and August, both months experience high temperatures with July averaging at 29°C (84°F), while August sees a slight decrease to an average of 28°C (83°F). The maximum temperatures are also comparable, with July reaching 40°C (104°F) and August peaking at 39°C (103°F). However, August is notably wetter, with precipitation increasing to 280 mm (11.0 in) over 22 days, compared to July's 129 mm (5.1 in) across 17 days. Humidity levels remain relatively high in both months, with July at 84% and August slightly lower at 82%. For more detailed information, you can check Nantong weather in August.

In July, weather in Nantong is characterized by hot temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), occasionally soaring up to 40°C (104°F). The month sees significant rainfall, averaging 129 mm (5.1 in) over 17 days, accompanied by high humidity levels of 84%. In contrast, September offers a slightly cooler climate, with minimum temperatures dropping to 17°C (62°F) and an average of 27°C (80°F), while the maximum can reach up to 41°C (106°F). Rainfall decreases to 97 mm (3.8 in) over 13 days, and humidity also lowers to 70%. For more detailed insights, you can visit Nantong weather in September.

The weather in July and October presents a striking contrast. July boasts high temperatures, with averages around 29°C (84°F) and peaks reaching up to 40°C (104°F), alongside significant humidity at 84% and frequent rainfall over 17 days, totaling 129 mm (5.1 in). In comparison, October offers a much milder climate, with average temperatures of 22°C (72°F) and maximums of 35°C (96°F). The month sees a decrease in precipitation, with only 59 mm (2.3 in) over 9 rainy days and lower humidity levels at 73%. For more detailed insights about the changing weather patterns, you can refer to Nantong weather in October.

In July, the weather is characterized by high temperatures, with a minimum of 23°C (74°F) and an average of 29°C (84°F), peaking at a scorching 40°C (104°F). This month also experiences significant rainfall, with 129 mm (5.1 in) of precipitation over 17 days, and the humidity is quite high at 84%.

In contrast, November offers a much cooler climate, with temperatures ranging from a minimum of 7°C (45°F) to an average of 18°C (64°F) and a maximum of 32°C (91°F). The precipitation decreases significantly to 69 mm (2.7 in) over just 9 days, and the humidity levels lower slightly to 77%. For more details, you can check Nantong weather in November.

The weather in July contrasts sharply with that in December, reflecting the drastic changes of the seasons. In July, temperatures soar with a minimum of 23°C (74°F) and can reach highs of 40°C (104°F), creating a hot and humid atmosphere with an average of 29°C (84°F) and a high humidity of 84%. The month also sees considerable rainfall, with 129 mm (5.1 in) spread across 17 days. In contrast, December offers a much cooler climate, where temperatures drop to a minimum of 3°C (37°F) and peak at 29°C (85°F), averaging around 13°C (56°F). Precipitation is significantly lower at 32 mm (1.3 in) over just 6 days, and humidity is slightly less at 79%. For more details on December weather, visit Nantong weather in December.

Compare Nantong's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Nantong

July in Nantong is characterized by its sweltering temperatures that peak higher than in other months, with an average warmth enveloping the city. This month brings a notable increase in humidity, resulting in a muggy atmosphere as the air feels heavy and sticky. Additionally, July sees frequent rain, with nearly half the month experiencing precipitation, making it one of the wetter periods of the year. For those looking to navigate Nantong's weather patterns, it's essential to be prepared for both the heat and the unpredictable showers. To delve deeper into the city's year-round climate, check out Nantong Climate.