July Weather in Nanjin, China

Last updated: August 21, 2025

July in Nanjing, China, features sweltering heat and high humidity, making it one of the most intense months of the year. With maximum temperatures reaching up to 43°C (109°F), the average temperature settles at a warm 29°C (84°F), providing a stark contrast to the cooler early mornings and evenings, where temperatures dip to a minimum of 21°C (70°F). Compounding the heat, precipitation is frequent, totaling 205 mm (8.1 in) over 16 days, often providing much-needed relief from the oppressive weather. With humidity levels averaging around 85%, July in Nanjing presents a challenging yet vibrant summer experience for both residents and visitors alike.

July Temperature in Nanjin

In July, Nanjing, China, experiences its warmest temperatures of the year, characterized by a minimum of 21°C (70°F) and an average soaring to 29°C (84°F), with peaks potentially reaching a scorching 43°C (109°F). This month signals the height of summer, transitioning from the pleasant warmth of June to an intensity that can challenge even the most heat-tolerant. The significant rise in temperatures is noticeable compared to prior months, where averages remained comfortably in the low seventies. As the humidity climbs alongside the mercury, July offers a vibrant yet sweltering atmosphere, perfect for indulging in evening strolls or cooling off by the Yangtze River.

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

The chart illustrates July temperature patterns in Nanjin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanjin, 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).
JanFebMarAprMayJunJulAugSepOctNovDec475160677277848576655749
Data source: Temperature data for Nanjin 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 Nanjin

In July, Nanjing experiences its wettest month of the year, with an impressive 205 mm (8.1 in) of precipitation over 16 days. This surge in rainfall marks a significant peak compared to earlier months, where total precipitation gradually increased from 23 mm in January to 134 mm in June. The intensity of July's rainfall can be attributed to the summer monsoon, setting it apart from the preceding months and highlighting a distinct transition in Nanjing's climate. As the city basks in the heat of summer, the increased moisture not only revitalizes the landscape but also underscores the significance of seasonal changes in this vibrant region.

July Precipitation Trends in Nanjin

The chart displays monthly precipitation patterns in Nanjin, 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 Nanjin, July typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2332671211511342051491571083927
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Nanjin

In July, Nanjing experiences a humidity level of 85%, maintaining the high moisture that characterizes the summer months. This month, alongside June, marks the peak of humidity, reflecting the gradual rise that began in the spring. Starting from a moderate 72% in January, humidity has steadily climbed, reaching its highest point in August at 87%. Interestingly, as summer draws to a close, there is a slight decline in humidity, suggesting a transition towards the drier autumn months. The trend of increased humidity is notable, particularly in May and June, paving the way for a sweltering July that envelops the city in warmth and moisture.

July Average Humidity in Nanjin

This chart illustrates the average monthly humidity levels in Nanjin, 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 Nanjin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Nanjin

In Nanjin, China, July brings an extreme UV Index of 11, maintaining the same high levels seen in June and preceding months. This sustained intensity means that residents and visitors alike should be particularly cautious, as the burn time is a mere 10 minutes. The trend throughout summer months reflects a notable increase in UV exposure, with the index starting at a moderate 5 in January and skyrocketing to extreme levels by May. As Nanjin transitions from June to July, it’s crucial to heed sun safety advice, utilizing sunscreen and protective gear to mitigate risks. For more detailed information, visit Nanjin UV Index.

Maximum UV Index Levels in Nanjin for July

The chart shows the monthly maximum UV Index (UVI) for Nanjin 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 Nanjin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101111111111864
Data source: Nanjin 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 Nanjin

In Nanjin, China, July shines as the peak of summer, boasting an impressive 297 hours of sunshine. This vibrant month marks a significant increase from the previous months, continuing the upward trend that begins in January with only 129 hours. As the year progresses, the hours of sunlight steadily rise, with June's 267 hours serving as a warm prelude to the sun-drenched days of July. Following this sunny pinnacle, August takes the lead with a record 318 hours, showcasing the city’s delightful summer glow. However, as autumn approaches, the trend gently declines, with September’s 225 hours signaling a return to shorter days. This dance of sunlight not only brightens the atmosphere but also reflects the changing seasons in Nanjin, inviting residents and visitors alike to revel in the warmth of July's brilliance.

Monthly Sunshine Duration in Nanjin: July Highlighted

The July sunshine duration represents the total number of hours Nanjin 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.
JanFebMarAprMayJunJulAugSepOctNovDec129h171h208h229h259h267h297h318h225h146h153h132h
Data source: Nanjin July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanjin During July

In Nanjing, China, July shines as a beacon of sunny weather, showcasing a 33% chance of sunshine that matches the optimism of January and September. Despite facing a dip in sunny days during the spring and early summer months—especially in April and June where chances fall as low as 13%—July marks a refreshing turn toward brighter skies. This trend of increased sunlight typical during the summer season offers an inviting glimpse of outdoor activities and vibrant city exploration, making it one of the most appealing months for those seeking sunshine in Nanjing. As temperatures rise and the city pulses with energy, July stands out as a time to embrace the warmth and light.

Percentage of Sunny Days in July in Nanjin

The chart illustrates the percentage of sunny days in Nanjin 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 Nanjin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%31%26%14%17%13%33%24%33%17%23%26%
Data source: Nanjin July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanjin in July

In Nanjing, China, the daylight duration experiences a fascinating seasonal rhythm throughout the year. As winter gives way to spring, January starts with a modest 10 hours of daylight, gradually increasing to 13 hours by May, heralding the vibrancy of summer. June peaks at a glorious 14 hours, maximizing the sun's presence. However, as July rolls in, daylight subtly retreats to 13 hours, a trend that continues into August. By the time we reach September, the days shorten back to 12 hours, ultimately cycling down to winter’s 10 hours in November and December. This ebb and flow of daylight not only marks the changing seasons but also invites a deeper appreciation for the natural world's rhythms.

Average Daylight Hours in Nanjin for July

The chart illustrates the variation in daylight duration in Nanjin throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 26m11h 6m11h 59m12h 53m13h 39m14h 1m13h 50m13h 10m12h 18m11h 24m10h 38m10h 14m
Data source: Nanjin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Nanjin

In July, Nanjin, China experiences its calmest winds of the year, with an average wind speed dipping to just 1.5 m/s (3 mph). This gentle breeze is part of a broader trend observed over the months, where wind speeds are typically lower in the summer. Following a slight fluctuation in the spring, July's winds are softer than those in previous months, as the city transitions into the sultry heat of summer. As the season progresses into August, the winds pick up slightly to 1.7 m/s (4 mph), hinting at the region's subtle dynamic shifts. Overall, July serves as a reminder of Nanjin’s tranquil summer days, where the air is still and the heat reigns.

Average July Wind Speed in Nanjin

The chart displays monthly wind speed patterns in Nanjin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.81.91.71.71.61.5 m/s1.71.91.71.61.4
Data source: Nanjin July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Nanjin Compares to Other Months

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

In July, the weather is characterized by high temperatures, with averages around 29°C (84°F) and maximums soaring up to 43°C (109°F), making it one of the hottest months of the year. Alongside this heat, July also experiences considerable rainfall, totaling 205 mm (8.1 in) across about 16 days, contributing to a high humidity level of 85%. In contrast, January presents a starkly different climate, with much cooler temperatures ranging from a minimum of -2°C (29°F) to an average of 9°C (48°F) and a maximum of 17°C (62°F). This month sees minimal precipitation, only 23 mm (0.9 in) over approximately 5 days, and lower humidity at 72%. For a detailed look at January weather patterns, you can check Nanjin weather in January.

When comparing the weather in July and February, it's clear that they offer vastly different experiences. July boasts significantly higher temperatures, with minimums around 21°C (70°F) and average highs reaching up to 43°C (109°F), making it a hot and humid month with an average humidity of 85% and frequent precipitation on about 16 days, totaling 205 mm (8.1 in). In contrast, February presents a much cooler climate, with minimum temperatures dropping to 1°C (35°F) and an average high of 27°C (80°F). Precipitation during February is minimal, averaging only 32 mm (1.3 in) over about 6 days, and the humidity is lower at 76%. For more details about February weather, you can visit Nanjin weather in February.

The weather in July is significantly warmer and more humid than in March. With average temperatures reaching 29°C (84°F) and highs soaring up to 43°C (109°F), July presents a stark contrast to March, where average temperatures sit at a mild 16°C (60°F) and a maximum of 33°C (91°F). Additionally, July sees heavy precipitation at 205 mm (8.1 in) over 16 days, compared to just 67 mm (2.6 in) over 12 days in March. Despite this, March maintains a slightly lower humidity level at 80%, making it overall feel more comfortable than the sweltering July heat. For a more detailed look at March weather, you can visit Nanjin weather in March.

In comparing the weather between April and July, it is evident that July is significantly warmer and more humid. The minimum temperature in July averages around 21°C (70°F), rising to a scorching maximum of 43°C (109°F), while April starts cooler at a minimum of 9°C (48°F) and reaches a maximum of 36°C (96°F). Precipitation levels are higher in July, with 205 mm (8.1 in) over 16 days, compared to April's 121 mm (4.8 in) across 14 days. Additionally, the humidity in July averages a steamy 85% compared to April's 77%. For a more detailed look, you can visit Nanjin weather in April.

In comparing the weather between July and May, one can observe significant differences in temperature and precipitation. July experiences warmer temperatures, with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 43°C (109°F). In contrast, May has cooler temperatures, featuring a minimum of 13°C (55°F), an average of 22°C (73°F), and a maximum of 36°C (97°F). While July receives more precipitation, totaling 205 mm (8.1 in) over 16 days, it also maintains a higher humidity level at 85%, compared to May's 151 mm (6.0 in) and 82% humidity. For a detailed overview, you can check Nanjin weather in May.

When comparing the weather in June and July, July emerges as significantly warmer and wetter. The average temperature in July reaches 29°C (84°F), with a maximum soaring up to 43°C (109°F), while June has a more moderate average of 25°C (77°F) and a maximum of 36°C (96°F). Additionally, July experiences increased precipitation, totaling 205 mm (8.1 in) over 16 days, compared to June’s 134 mm (5.3 in) and consistent rainfall pattern over the same number of days. Both months maintain a high humidity level of 85%, but the soaring temperatures and rain in July create a distinct and more intense summer experience. For a closer look at June's weather patterns, check out Nanjin weather in June.

In comparing the weather between July and August, we see some notable differences and similarities. July experiences slightly higher temperatures with a minimum of 21°C (70°F) and an average of 29°C (84°F), peaking at a scorching 43°C (109°F). In contrast, August offers a slightly cooler environment with minimum temperatures dropping to 19°C (67°F) and an average of 30°C (86°F), though the maximum remains close at 41°C (107°F). Precipitation also varies, with July receiving 205 mm (8.1 in) over 16 days, compared to August's 149 mm (5.9 in) over 14 days. Humidity levels are relatively consistent, with July at 85% and August slightly higher at 87%. For more specific details, you can check Nanjin weather in August.

In comparing July and September weather, we see a notable shift in temperature and precipitation patterns. July boasts warmer temperatures, with a minimum of 21°C (70°F), an average of 29°C (84°F), and a peak of 43°C (109°F), while September experiences cooler conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 39°C (102°F) and an average of 24°C (76°F). Precipitation in July is higher at 205 mm (8.1 in) over 16 days, compared to September's 157 mm (6.2 in) also over 16 days. Humidity levels remain relatively similar, with July at 85% and September slightly lower at 84%. For more detailed information, check out Nanjin weather in September.

July and October present quite contrasting weather patterns. In July, temperatures are significantly higher, with minimums around 21°C (70°F) and maximums soaring up to 43°C (109°F), leading to an average of 29°C (84°F). The month is also characterized by high humidity at 85% and substantial rainfall, totaling 205 mm (8.1 in) over 16 days. In stark contrast, October experiences cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 36°C (96°F), resulting in a much lower average of 18°C (65°F). Additionally, precipitation is reduced to 108 mm (4.2 in) over the same number of rainy days, and humidity dips slightly to 81%. For more detailed information, you can check out Nanjin weather in October.

The weather in July is characterized by high temperatures, with minimums around 21°C (70°F) and averages reaching 29°C (84°F), often peaking at a scorching 43°C (109°F). This month experiences significant rainfall, totaling 205 mm (8.1 in) over 16 days, along with high humidity levels of 85%. In stark contrast, November brings much cooler temperatures, with a minimum of 5°C (41°F) and an average of 14°C (57°F), maxing out at a mild 25°C (77°F). Precipitation is considerably lower in November, at just 39 mm (1.5 in) over 9 days, while humidity remains relatively high at 86%. For more detailed insights on November weather, you can visit Nanjin weather in November.

July and December present strikingly different weather patterns. In July, the temperatures soar with minimums around 21°C (70°F) and maximums reaching as high as 43°C (109°F), while the average temperature is a warm 29°C (84°F). The month is also marked by significant rainfall, totaling 205 mm (8.1 in) over 16 days, accompanied by high humidity at 85%. In contrast, December experiences much cooler conditions, with temperatures ranging from a chilly minimum of 1°C (35°F) to a comfortable maximum of 18°C (65°F) and an average of just 9°C (49°F). The precipitation is considerably lower, at 27 mm (1.1 in) over 7 days, and the humidity is slightly reduced at 81%. For more specific details on December's weather, you can check Nanjin weather in December.

Compare Nanjin's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Nanjin

In July, Nanjin experiences a remarkable shift in weather that sets it apart from the rest of the year. With sweltering temperatures averaging 29°C (84°F) and peak highs reaching up to 43°C (109°F), this month is marked by intense heat. The humidity also climbs, often hitting a staggering 85%, creating a sticky atmosphere that can be quite uncomfortable. Additionally, July sees a substantial amount of rainfall, with over 200 mm falling across nearly half the month, making it one of the wettest periods of the year. This unique combination of heat and humidity, alongside frequent precipitation, makes July a vibrant yet challenging month for Nanjin residents. For more insights about the weather patterns throughout the year, visit Nanjin Climate.