Last updated: August 21, 2025
In Nanjing, China, August is characterized by intense heat and humidity, with maximum temperatures soaring to 37°C (100°F) and an average of 28°C (82°F). The nights bring a bit of relief, with minimum temperatures around 22°C (71°F). However, the weather is also marked by significant precipitation, totaling 152 mm (6.0 in) over 20 days, contributing to an average humidity of 88%. Visitors should come prepared for a tropical experience, where the warmth and frequent rain shape the vibrant atmosphere of the city.
In August, Nanjing experiences its peak summer warmth, with temperatures soaring as high as 37°C (100°F) during the day, offering a true taste of the season's heat. The minimum temperature hovers around 22°C (71°F), providing a warm and sultry atmosphere both day and night. With an average temperature of 28°C (82°F), August is characterized by its stifling humidity and intense sunshine, making it the hottest month of the year. This trend of rising temperatures is evident as the city transitions from the cooler months of spring to the sizzling highs of summer. As September approaches, a subtle cooling begins, hinting at the relief of autumn on the horizon.
In August, Nanjing experiences a significant level of rainfall, with precipitation totaling 152 mm (6.0 in) over approximately 20 days. This month continues the trend of increased moisture that begins in June, where the city receives its highest average rainfall of the year at 258 mm (10.1 in). Notably, August's downpours help to moderate the city's summer heat, but they also contribute to a high humidity level typical of this season. Following July's 98 mm (3.9 in) of rainfall, August marks a peak in precipitation, making it a crucial time for the region's agricultural activities. The generally sustained rainfall throughout the summer months, peaking in June, underscores Nanjing's unique climate patterns as it transitions into the cooler autumn.
August in Nanjing, China, experiences a notable peak in humidity, averaging around 88%, just slightly lower than the sweltering 89% of July. This pattern highlights the city’s summer climate, where humidity levels remain consistently high, reflecting the transition from the intense heat of early summer to the late summer. As the month progresses, residents often find themselves enveloped in a sticky atmosphere, indicative of the region's humid subtropical climate. Following August, there’s a marked drop in humidity, with September plummeting to 62%, signaling a refreshing shift as autumn approaches. Overall, the humidity trend in Nanjing showcases a clear pattern of rising moisture during the summer months, providing insight into the city’s climatological rhythm.
In August, Nanjing experiences an extreme UV Index of 13, reflecting a consistent trend seen since May. This high level of UV radiation leads to a short burn time of just 10 minutes, underscoring the importance of sun protection for anyone outdoors. Throughout the summer months, from June to August, the UV Index remains at this elevated level, making it crucial for residents and visitors alike to take precautions against harmful exposure. As the season transitions into September, the UV Index slightly decreases to 12, yet remains in the extreme category, indicating that sun safety should still be a priority. Stay informed about the UV levels and protect your skin by checking the latest trends at Nanjing UV Index.
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August in Nanjing shines brightly, boasting 309 hours of sunshine—just edging out July's peak of 311 hours. As summer reaches its zenith, the days are long and radiant, inviting both locals and tourists to bask in the warmth. The trend from May through August showcases a continuous climb in sunshine hours, with May starting strong at 282 hours before reaching its summer climax. Following August, September still offers an impressive 286 hours, but the daylight gradually begins to wane as autumn approaches. Overall, Nanjing's summer months radiate a vibrant tapestry of sunshine, perfect for outdoor adventures and leisurely strolls.
In August, Nanjing experiences a notably low chance of sunny weather, dropping to just 16%. This marks a significant decline from the sunnier months earlier in the year, particularly from January's 68% and even July's 33%. As the summer progresses, the likelihood of clear skies diminishes, highlighting a trend where the peak sun chances are concentrated in the first half of the year. Following August, the prospect of sunshine picks up again in September, returning to 53%, suggesting that while late summer may not be the most favorable for sunny outings, autumn brings renewed hope for brighter days.
In Nanjing, China, August marks a subtle shift in daylight as summer begins to wane, offering approximately 12 hours of sunlight. This duration is a decline from the peak of 13 hours experienced in the preceding months of June and July, signaling a gradual transition towards autumn. The trend throughout the year showcases an initial increase in daylight from a modest 10 hours in January, reaching its zenith in the summer months, followed by a gentle tapering off as the calendar turns towards fall. As daylight lessens, Nanjing prepares for a change in season, bringing with it the cooler temperatures and vibrant hues of early autumn.
In August, Nanjing experiences its most tranquil winds of the year, with an average speed dropping to just 1.7 m/s (4 mph). This is part of a noticeable seasonal trend; the summer months show a general decline in wind speed, reaching their peak during January at 2.6 m/s (6 mph). As the sweltering heat of summer sets in, the winds gradually soften, with September continuing this trend, falling to 1.5 m/s (3 mph). Post-summer, the winds regain momentum, with October seeing a brisk increase to 2.9 m/s (6 mph), heralding the cooler autumn breezes. This cyclical pattern reflects Nanjing’s dynamic climate, where softer summer airs make way for invigorating autumn gusts.
Weather in Nanjing varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Nanjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present starkly contrasting weather conditions. In August, temperatures soar, with a minimum of 22°C (71°F), an average of 28°C (82°F), and peaks reaching up to 37°C (100°F). This month is marked by high humidity at 88% and significant rainfall, totaling 152 mm (6.0 in), typically over 20 days, creating a hot and muggy atmosphere.
In stark contrast, January features much cooler weather, where temperatures drop significantly, with a minimum of -2°C (29°F), an average of 10°C (50°F), and a maximum of 26°C (78°F). The precipitation is also much lower, amounting to only 43 mm (1.7 in) over just 6 days, accompanied by a lower humidity level of 63%. For a more detailed look at January weather, you can visit Nanjing weather in January.
The weather in August is marked by high temperatures and humidity, with averages around 28°C (82°F) and peaks reaching as high as 37°C (100°F). This month also experiences considerable rainfall, with about 152 mm (6.0 in) of precipitation over approximately 20 days, creating a muggy and tropical atmosphere.
In contrast, February offers a much cooler climate, featuring an average temperature of 11°C (52°F), with nighttime lows dropping to -2°C (29°F). While precipitation is lower at 82 mm (3.2 in) spread across about 9 days, the humidity is also less pronounced at 66%, resulting in a crisp, more refreshing winter vibe. For a detailed understanding of what to expect, you can check Nanjing weather in February.
August and March present strikingly different weather patterns. In August, temperatures soar with a minimum of 22°C (71°F) and can reach a scorching maximum of 37°C (100°F), averaging around 28°C (82°F). This month also sees significant humidity at 88% and considerable precipitation of 152 mm (6.0 in) over 20 days. In contrast, March offers a much cooler climate, with minimum temperatures dipping to 4°C (40°F) and a maximum of 30°C (87°F), averaging only 16°C (61°F). While March has slightly higher precipitation at 162 mm (6.4 in) over fewer days (17), the humidity is lower at 77%. For more details, you can check Nanjing weather in March.
When comparing the weather in August and April, it's clear that August is significantly warmer and more humid. With average temperatures reaching 28°C (82°F) and maximums soaring to 37°C (100°F), the heat is more intense in August, where humidity also hovers around a high 88%. In contrast, April offers a more mild climate, with average temperatures around 19°C (67°F) and maximums peaking at 31°C (88°F). While both months experience considerable rainfall, April has slightly more precipitation at 168 mm (6.6 in) across 17 days compared to August's 152 mm (6.0 in) over 20 days. For a detailed look at April's weather, you can visit Nanjing weather in April.
In comparing the weather between May and August, it is clear that August tends to be much warmer, with average temperatures reaching 28°C (82°F) and maximums soaring up to 37°C (100°F), while May offers a cooler climate with an average of 24°C (75°F) and a maximum of 34°C (94°F). Both months experience significant rainfall, but May sees slightly more precipitation at 171 mm (6.7 in) compared to August's 152 mm (6.0 in), occurring over a similar number of rainy days—19 in May and 20 in August. Humidity levels are high in both months, with August being slightly more humid at 88% compared to May's 85%. For more details, check Nanjing weather in May.
In comparing the weather of August and June, we find that August tends to be hotter, with average temperatures reaching 28°C (82°F) and a maximum of 37°C (100°F), while June offers slightly cooler temperatures, averaging 26°C (79°F) with a maximum of 34°C (94°F). In terms of precipitation, June experiences more rainfall, receiving 258 mm (10.1 in) over 21 days compared to August's 152 mm (6.0 in) over 20 days. Additionally, August is characterized by higher humidity at 88%, compared to June's 83%. Overall, while both months have significant rainfall and warmth, August is notably hotter and more humid. For more detailed information, you can refer to Nanjing weather in June.
In comparing the weather between July and August, it is clear that August experiences slightly warmer temperatures, with an average of 28°C (82°F) compared to July's average of 28°C (83°F). However, July has a higher maximum temperature of 39°C (103°F) versus August's maximum of 37°C (100°F). Precipitation levels also differ; August receives significantly more rainfall at 152 mm (6.0 in) over 20 days, compared to July's 98 mm (3.9 in) over 16 days. Humidity levels remain quite high in both months, with August at 88% and July at 89%. For a detailed look at the weather specifics in July, you can refer to Nanjing weather in July.
August typically experiences warmer temperatures, with a minimum of 22°C (71°F) and an average of 28°C (82°F), but it also brings high humidity levels at 88%. This month sees substantial rainfall, with about 152 mm (6.0 in) of precipitation spread over 20 days. In contrast, September features a slightly cooler climate, with temperatures dropping to a minimum of 17°C (63°F) and an average of 26°C (79°F). It sees less rainfall at 108 mm (4.3 in) and fewer rainy days, totaling 15. Additionally, the humidity decreases significantly to 62%, making September’s weather feel more comfortable. For more details, check out Nanjing weather in September.
In comparing the weather between August and October, a notable shift can be observed. August remains hot and humid, with average temperatures around 28°C (82°F) and frequent rainfall totaling 152 mm (6.0 in) across about 20 days, leading to a high humidity level of 88%. In contrast, October offers a much milder experience, with temperatures dipping to a minimum of 11°C (52°F) and an average of 21°C (70°F), while the maximum reaches 36°C (96°F). Rainfall is significantly reduced to 50 mm (2.0 in) over just 6 days, resulting in a lower humidity level of 56%. For more details on October's weather, you can visit Nanjing weather in October.
In comparing the weather of August and November, it's evident that August is characterized by a much hotter and humid climate. Average temperatures in August reach a sweltering 28°C (82°F), with maximums soaring up to 37°C (100°F) and high humidity levels of 88%. Additionally, August experiences significant rainfall, totaling 152 mm (6.0 in) across about 20 days.
In contrast, November brings a considerable drop in temperatures, with an average of 16°C (62°F) and maximums peaking at 30°C (87°F). The humidity decreases to a more comfortable 63%, and precipitation is markedly lower, at just 45 mm (1.8 in) over about 8 days. For more detailed insights, you can check Nanjing weather in November.
In August, Nanjing experiences a sweltering climate with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 37°C (100°F), coupled with high humidity at 88%. During this month, rainfall is frequent, occurring over 20 days and totaling 152 mm (6.0 in), making it a notably wet period. Conversely, December offers a stark contrast with much cooler temperatures, varying from 0°C (32°F) at night to a comfortable 26°C (79°F) during the day, and an average temperature of 11°C (52°F). The month sees significantly less precipitation, accumulating only 31 mm (1.2 in) over just 5 days, and lower humidity at 70%. For more detailed information, you can check Nanjing weather in December.
August in Nanjing is a hot and humid month, distinctly more sweltering than other times of the year. With maximum temperatures soaring to 37°C, the heat can be quite oppressive, complemented by high humidity levels that reach up to 88%. This month also sees a noticeable uptick in rainfall, with about 152 mm of precipitation spread over 20 days, contributing to the overall muggy atmosphere. While summer's warmth may lure some outdoor enthusiasts, the combination of heat and frequent showers can make outdoor activities challenging. For a more detailed overview of the climate variations throughout the year, visit Nanjing Climate.