Last updated: August 21, 2025
October in Nanjing, China offers a stunning transition into autumn, characterized by a maximum temperature reaching up to 36°C (97°F) and an average of 18°C (65°F). As the month progresses, temperatures can dip to a minimum of 7°C (45°F), creating a pleasant range for both locals and visitors. Amidst this warm backdrop, 54 mm (2.1 in) of precipitation falls over approximately 7 days, lending a refreshing quality to the air, with humidity levels lingering around 76%. Experience the dynamic weather that blends warmth with occasional rain, making October a vibrant time to explore the historical richness of Nanjing.
In October, Nanjing experiences a delightful transition as autumn settles in. With minimum temperatures hovering around 7°C (45°F) and averaging a comfortable 18°C (65°F), the city offers a pleasant climate for outdoor activities. The maximum temperatures can still reach up to 36°C (97°F), showcasing a lingering summer warmth that gradually fades as the month progresses. This shift marks a significant change from the sweltering summer months, highlighting a trend of cooling temperatures, perfect for exploring the vibrant fall foliage. As the days grow shorter and the air crisp, October in Nanjing is a time of refreshing transitions, inviting locals and visitors alike to enjoy the beauty of the season.
In October, Nanjing experiences a notable shift as the monsoon season begins to wane, bringing 54 mm (2.1 in) of precipitation over an average of just 7 days. This marks a decrease compared to the summer months, reflecting a gradual transition into cooler weather. Despite the reduced rain, October retains a sense of moisture lingering from the previous months, especially when juxtaposed with the substantial rainfall of July and August, which can exceed 228 mm (9.0 in). As autumn sets in, the days become crisper, and while rainfall diminishes, the vibrant change in foliage adds a unique charm to the city's landscape. This trend of decreasing precipitation continues into the following months, paving the way for the dry winter season ahead.
As October settles in Nanjing, the humidity tends to exhibit a slight reprieve, averaging 76%. This shift marks a notable decrease from the sultry July peak of 90% and the summer's heavy 88% in August. While October's humidity is higher than the preceding months, it follows a clear trend of gradual decline from the summer highs. The cooler autumn air begins its transition, contrasting sharply with the spring months, where humidity spikes play a significant role in the region's climatic character, peaking in March at 82% and reaching even higher levels in April and May. As the year progresses, the humidity fluctuates significantly, but October stands out as a month of moderate comfort, signaling the slow fade of summer's intensity.
As October rolls in Nanjing, the UV Index reflects a notable dip from the scorching heights of summer, settling at 8 and categorizing the exposure as very high. This means residents and visitors still need to be cautious, as the burn time is short at just 15 minutes. Comparing it to the extreme levels seen in June and July, October offers some relief, but it's essential to stay vigilant. The month marks a transitional phase, where the days are pleasantly warm yet the sun's rays remain potent, making sun protection crucial for outdoor activities. For more detailed information, visit Nanjing UV Index.
UV Risk Categories
As October rolls into Nanjing, the city enjoys 233 hours of sun, a delightful transition from the intense summer radiance that peaked in August with an impressive 296 hours. The month starts to embrace autumn with a gentle decrease in sunshine, yet it remains brighter than the cooler months of November and December, which hover around the 220-hour mark. This gradual ebb of sunlight, following a robust summer, underscores a trend where Nanjing basks in its sunniest months during the summer, while October presents a perfect blend of warm days and crisp air—making it an ideal time for outdoor exploration amid the vibrant fall foliage.
In Nanjing, China, the weather in October presents a favorable opportunity for sunshine, with a 42% chance of clear skies. This figure, while slightly lower than the late summer months of August and September, suggests that the city transitions into a period where sunny days become less frequent as the year progresses. Notably, the likelihood of sunny weather dips following the peak months of November and December, which boast higher probabilities of sun at 62% and 68%, respectively. Thus, while October captures a delightful balance of mild weather, it serves as a gentle reminder that the sun's frequency begins to wane as autumn deepens in Nanjing.
As the calendar shifts into October in Nanjing, China, residents experience a notable transition in daylight hours, with the sun gracing the city for approximately 11 hours each day. This marks a decrease from the peak of 14 hours in June, leading into the cooler months ahead. Following the vibrant days of summer, October presents a gentle winding down, echoing the gradual reduction of daylight that began in September. The city's daylight duration continues to mirror the seasonal changes, with shorter days heralding the approach of winter. This rhythmic ebb and flow of sunlight profoundly influences the daily life and activities of Nanjing's inhabitants, fostering a connection to the ever-changing natural world around them.
As October envelops Nanjing, a gentle breeze greets residents and visitors alike, with average wind speeds resting at 2.9 m/s (6 mph). This marks a slight decline from the lively gusts of summer, which peaked at 3.4 m/s (8 mph) in July, reflecting a seasonal transition. The winds in early fall are reminiscent of the calm April and May, where speeds dipped to around 2.8-2.9 m/s. Overall, October’s breezy embrace signals a shift towards cooler days, inviting a serene atmosphere that contrasts the vibrant and warmer months, yet maintains a consistent wind flow that adds a refreshing touch to the autumn landscape.
Weather in Nanjing varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nanjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present striking contrasts in weather. October boasts a wider temperature range with minimums around 7°C (45°F) and maximums soaring to 36°C (97°F), creating an inviting average of 18°C (65°F). In contrast, January brings a chill, characterized by a minimum of -10°C (13°F) and a maximum that only reaches 18°C (64°F), resulting in a much cooler average of 4°C (40°F). Precipitation is similar in both months, with October receiving 54 mm over about 7 days and January experiencing slightly less at 53 mm but over 8 days. Additionally, while October's humidity sits at 76%, January's humidity drops to 70%, leading to a drier, crisper feel in the winter air. For those interested in a deeper look at January's conditions, you can explore Nanjing weather in January.
October and February present strikingly contrasting weather patterns. In October, temperatures range from a mild 7°C (45°F) to a maximum of 36°C (97°F), with an average of 18°C (65°F). The month experiences about 54 mm (2.1 in) of precipitation over approximately 7 days, accompanied by a humidity level of 76%. In contrast, February witnesses much colder conditions, with temperatures dropping to a minimum of -11°C (13°F) and peaking at 26°C (79°F), averaging around 6°C (43°F). The precipitation is slightly lower at 52 mm (2.0 in) over 9 days, and the humidity hovers around 73%. For more detailed information, check Nanjing weather in February.
In October, temperatures in Nanjing range from a cool 7°C (45°F) at night to a warm 36°C (97°F) during the day, with an average of 18°C (65°F). The month sees about 54 mm (2.1 in) of precipitation over approximately 7 days, along with a humidity level of 76%. In contrast, March experiences cooler temperatures, with minimum lows around 0°C (31°F) and maximum highs reaching 29°C (84°F), averaging 12°C (54°F). The precipitation is slightly higher at 66 mm (2.6 in) over about 10 days, accompanied by a higher humidity level of 82%. For a more detailed look at the specific weather conditions during March, you can visit Nanjing weather in March.
When comparing the weather in October and April, we see some notable differences. October typically features a wider temperature range, with minimums around 7°C (45°F) and maximums reaching as high as 36°C (97°F), while the average temperature hovers around 18°C (65°F). In contrast, April presents slightly cooler temperatures, with minimums around 5°C (41°F) and maximums peaking at 32°C (90°F), averaging 17°C (62°F). Additionally, April sees slightly higher precipitation at 69 mm (2.7 in) over 9 days, compared to October's 54 mm (2.1 in) over 7 days. Humidity levels are also higher in April at 86%, compared to October's 76%. For more details, you can explore Nanjing weather in April.
October weather features a wider temperature range, with minimums around 7°C (45°F) and averages hitting 18°C (65°F), while May starts warmer with minimums of 10°C (51°F) and averages at 22°C (72°F). Both months can reach a maximum temperature of 36°C (97°F in October and 96°F in May), but May experiences significantly more precipitation at 143 mm (5.6 in) over 9 days compared to October's 54 mm (2.1 in) over 7 days. Additionally, humidity levels in May are slightly higher at 85%, compared to October's 76%. For more details, see Nanjing weather in May.
When comparing the weather in October and June, October typically experiences milder temperatures, with a minimum of 7°C (45°F) and an average of 18°C (65°F), while June sees warmer conditions with a minimum of 17°C (62°F) and an average of 26°C (78°F). Both months can reach a maximum of 36°C (96°F in June and 97°F in October), but June has significantly higher precipitation levels at 156 mm (6.2 in) over about 10 days, compared to October's 54 mm (2.1 in) spread over 7 days. Additionally, humidity is generally higher in June at 85%, versus 76% in October, making June feel more tropical. For more information on the specifics of the weather during this month, check out Nanjing weather in June.
In comparing the weather between October and July, October offers a more temperate climate with average temperatures around 18°C (65°F) and maximums peaking at 36°C (97°F). In contrast, July experiences much warmer conditions, featuring a higher average of 28°C (83°F) and maximum temperatures reaching up to 38°C (101°F). While October sees relatively lower precipitation at 54 mm (2.1 in) over 7 days, July is much wetter, with 228 mm (9.0 in) of rain over 18 days, resulting in higher humidity levels of 90% compared to October's 76%. For more detailed insights, you can explore Nanjing weather in July.
When comparing the weather in October to August, we see a noticeable drop in temperatures and a change in precipitation patterns. October experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 18°C (65°F), while August maintains a warmer climate with a minimum of 21°C (71°F) and an average of 29°C (84°F). In terms of rainfall, October has significantly less precipitation at 54 mm (2.1 in) over 7 days, compared to August, which sees much wetter conditions with 189 mm (7.4 in) over 14 days. Humidity levels also decrease in October to 76%, down from a humid 88% in August. For a more detailed look at August weather, you can check Nanjing weather in August.
In comparison to September, October in Nanjing experiences a notable drop in minimum temperatures, averaging 7°C (45°F) compared to September's milder 15°C (60°F). The average temperature also decreases, moving from 24°C (76°F) in September to 18°C (65°F) in October. Although both months record the same maximum temperature of 36°C (97°F), October sees less total precipitation at 54 mm (2.1 in) over 7 days, while September has higher precipitation levels at 86 mm (3.4 in) over 10 days. Humidity levels remain fairly consistent, with October at 76% and September slightly lower at 75%. For a more detailed look at September's weather, you can find information here: Nanjing weather in September.
In October, temperatures in Nanjing range from a mild minimum of 7°C (45°F) to a sweltering maximum of 36°C (97°F), with an average of 18°C (65°F). The month sees substantial precipitation, totaling 54 mm (2.1 in) over about seven days, accompanied by a humidity level of 76%. In contrast, November brings cooler conditions, with temperatures dipping to a minimum of 0°C (32°F) and a maximum of 28°C (83°F), averaging around 13°C (55°F). Precipitation decreases slightly to 44 mm (1.7 in) over six days, while humidity rises to 84%. For a more detailed look at the weather in November, check out Nanjing weather in November.
October and December present stark contrasts in weather. In October, temperatures range from a mild 7°C (45°F) to a warm 36°C (97°F), with an average of 18°C (65°F) and higher humidity at 76%. The month sees a total precipitation of 54 mm (2.1 in) over about 7 days. In contrast, December brings much cooler temperatures, with lows plummeting to -7°C (20°F) and a maximum of 20°C (68°F), averaging just 6°C (43°F). Although precipitation decreases slightly to 40 mm (1.6 in), the humidity remains quite high at 77%. For more details on December weather patterns, you can refer to Nanjing weather in December.
As October rolls into Nanjing, the weather signals a delightful transition from the sweltering heat of summer to a more temperate climate. With average temperatures settling at a pleasant 18°C (65°F), the harsh peaks seen in the summer months give way to milder days, creating the perfect backdrop for outdoor activities. Although some rain may occur, with about seven days of precipitation, this month remains relatively dry compared to the earlier summer months. Additionally, the humidity drops slightly from the peak levels of summer, making the cool breezy days especially enjoyable. For a deeper dive into Nanjing's unique climate patterns, check out Nanjing Climate.