Last updated: August 21, 2025
In October, Nanjing experiences a dynamic climate characterized by a maximum temperature reaching up to 36°C (96°F), while the average temperature settles comfortably at 18°C (65°F). Nighttime temperatures can dip to a refreshing 10°C (50°F), offering a pleasant contrast. This month also brings significant precipitation, with 108 mm (4.2 in) of rain expected over 16 days, contributing to a high humidity level of 81%. As the city transitions from summer to autumn, these weather patterns create a unique atmosphere, making October a vibrant time for both residents and visitors to explore Nanjing’s rich cultural heritage.
In Nanjing, China, October marks a notable transition as the summer heat begins to wane, bringing a refreshing change to the weather. With average temperatures settling around 18°C (65°F), the month showcases a comfortable climate perfect for exploring the city. Morning chills can be felt, with minimum temperatures dipping to 10°C (50°F), while the afternoons still flirt with warmth, peaking at a toasty 36°C (96°F). This fluctuation is a continuation of the transition seen from the sweltering summer months, where temperatures frequently soared into the high 30s. As October progresses, the weather becomes increasingly inviting, hinting at the cooler, more serene days of late autumn ahead. Overall, it's an ideal time for both locals and visitors to enjoy Nanjing's vibrant culture amidst a pleasant backdrop of falling leaves and crisp air.
In October, Nanjing experiences a shift in its precipitation dynamics, with rainfall totaling 108 mm (4.2 in) across 16 days. This marks a notable decrease from the torrential downpours of summer, yet maintains a steady contribution to the overall annual rainfall. The month is a transition period, bridging the intense wetness of July and August, which see upwards of 200 mm of rain, and the relatively drier months that follow. As October unfolds, the persistent drizzle not only nourishes the city's lush landscapes but also signals the approaching cooler months, ensuring a balanced ecosystem that thrives on this autumnal moisture. Through this lens, October stands out with its characteristic blend of rainfall and mild weather, making it a unique time in Nanjing's climatic tapestry.
As October arrives in Nanjing, the humidity takes a slight dip to 81%, following the peak levels experienced during the sweltering summer months. This decline from August's high of 87% marks a transition into the cooler autumn season, yet it remains noticeably humid compared to the earlier months of the year. Throughout the year, humidity levels show a general upward trend from January to August, peaking in July and August. After that, the humidity slightly decreases, indicating the onset of fall. With the November figure rising again to 86%, the dynamic shifts in Nanjing's humidity reflect its unique climate, balancing between warmth and the crispness of autumn.
As October rolls into Nanjin, China, the UV Index experiences a notable shift, dropping to 8, indicating a very high exposure category. This change comes after a prolonged summer of extreme UV levels, which consistently hovered at 11 for several months, where the burn time was as short as 10 minutes. With the autumn season, sun seekers will find a slight reprieve, as the burn time extends to 15 minutes. However, precautions are still crucial; even in October, the sun's intensity demands respect. This trend underscores the importance of staying informed about the ever-changing UV conditions. For more detailed insights, visit the Nanjin UV Index.
UV Risk Categories
As October rolls in, Nanjing experiences a significant dip in sunshine hours, totaling 146 hours—a marked decrease from the sun-drenched days of summer when July and August basked in 297 and 318 hours, respectively. This trend showcases a seasonal transition, with October's light levels noticeably lower than the peak of 259 hours in May and 229 hours in April. Following a sunny September that delivered 225 hours, October prepares the city for the cooler, cloudier months ahead, reminding residents of the cyclical nature of light and warmth as they step into the autumnal embrace. The gradual decline in sunshine hints at the upcoming chill, contrasting sharply with the vibrant brightness of the summer months, yet still allowing for delightful days that make this beautiful city shine against a backdrop of changing leaves.
In October, Nanjing experiences a 17% chance of sunny weather, a decline from the brighter months of July and September, which boast a more favorable 33% likelihood of sunshine. This dip signals the transition into cooler, cloudier days as autumn settles in. Comparatively, the sunny spells in October are quite modest, especially when viewed against the backdrop of winter months like January and February, which hover around 30%. Thus, while October may still offer occasional sunshine, it’s prudent for visitors to prepare for overcast skies and the crisp air of the season.
As autumn descends on Nanjing, China, daylight begins to wane, with October offering around 11 hours of sunlight each day. This marks a subtle decline from the summer peak, where June basked in up to 14 hours of daylight. The progression from the longer days of May and June shifts towards shorter hours as the year winds down, reflecting a natural rhythm of the seasons. While October retains a generous amount of light compared to the winter months—where daylight dwindles to just 10 hours in both November and December—it heralds the transition into the cooler months, encouraging a cozy ambiance as days become shorter and nights longer.
As October settles in Nanjin, the average wind speed maintains a gentle rhythm of 1.7 m/s (4 mph), mirroring the previous months’ calm breezes. This consistency, reminiscent of the moderate winds experienced throughout the year, suggests a delightful transition into the heart of autumn. Notably, while January through March enjoys a gradual increase in wind speed, it peaks in September before returning to this balanced October pace. With each month revealing subtle variations, October's soothing winds offer a comforting backdrop to the season's colorful transformations, inviting residents and visitors alike to embrace the serenity of this enchanting time in Nanjin.
Weather in Nanjin varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Nanjin, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly different weather conditions. In October, temperatures range from a mild minimum of 10°C (50°F) to a hot maximum of 36°C (96°F), with an average of 18°C (65°F). This month experiences significant precipitation, totaling 108 mm (4.2 in) over approximately 16 days, coupled with high humidity levels of 81%. In contrast, January brings much colder temperatures, with a minimum of -2°C (29°F), an average of 9°C (48°F), and a maximum of 17°C (62°F). Precipitation is far less frequent, accumulating to only 23 mm (0.9 in) over about 5 days, and humidity decreases to 72%. For more detailed insights, you can check Nanjin weather in January.
October and February showcase distinct variations in weather patterns. October experiences warmer temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 36°C (96°F), with an average of 18°C (65°F). The month also tends to be quite humid, with an average humidity of 81% and significant precipitation, totaling 108 mm (4.2 in) over 16 days. In contrast, February is much cooler, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 27°C (80°F) and an average temperature of 10°C (51°F). It also sees considerably less rainfall, with only 32 mm (1.3 in) over 6 days and a slightly lower humidity level of 76%. For more details about the February climate in Nanjin, visit Nanjin weather in February.
October and March present contrasting weather patterns. October typically experiences warmer temperatures, with a range from a minimum of 10°C (50°F) to a maximum of 36°C (96°F), averaging at 18°C (65°F). In contrast, March's temperatures are cooler, ranging from a minimum of 6°C (44°F) to a maximum of 33°C (91°F), with an average of 16°C (60°F). Additionally, October sees higher precipitation levels, with 108 mm (4.2 in) over 16 days, compared to March's 67 mm (2.6 in) across 12 days. Humidity remains relatively similar, with October at 81% and March at 80%. For a more detailed look at March weather, you can visit Nanjin weather in March.
When comparing the weather in October and April, both months exhibit similar maximum temperatures, peaking at 36°C (96°F). However, October tends to have a slightly warmer average temperature of 18°C (65°F) compared to April's average of 19°C (67°F). Precipitation levels are slightly higher in April, with a total of 121 mm (4.8 in) over 14 days, versus 108 mm (4.2 in) over 16 days in October. Additionally, October has a higher humidity rate at 81%, while April has a more comfortable humidity level of 77%. For more insights into April weather, check out Nanjin weather in April.
In comparing the weather between October and May, we observe that October has slightly cooler temperatures overall, with an average of 18°C (65°F) compared to May's warmer average of 22°C (73°F). Both months experience similar maximum temperatures of 36°C (96°F in October and 97°F in May), but October starts at a lower minimum of 10°C (50°F) versus May's 13°C (55°F). Precipitation is higher in May, totaling 151 mm (6.0 in) across 16 days, while October sees 108 mm (4.2 in) with the same number of rainy days. Humidity levels are quite comparable, with October at 81% and May slightly higher at 82%. For a detailed look at weather patterns during this month, visit Nanjin weather in May.
In comparing the weather patterns of October and June, we notice some notable differences. October experiences a wider range of temperatures, with a minimum of 10°C (50°F) and an average of 18°C (65°F), contrasting with June's warmer minimum of 17°C (64°F) and average of 25°C (77°F). Both months can reach a maximum of 36°C (96°F), but June is generally more humid, with humidity levels at 85% compared to October's 81%. Precipitation is also slightly higher in June, with 134 mm (5.3 in) falling over 16 days, compared to October's 108 mm (4.2 in) over the same number of days. For more information on June weather, you can refer to this link: Nanjin weather in June.
In comparing the weather patterns of October and July, we observe a notable shift in temperatures and precipitation levels. October experiences a milder temperature range with a minimum of 10°C (50°F) and an average of 18°C (65°F), while July is significantly warmer, with a minimum of 21°C (70°F) and an average of 29°C (84°F). This warmth peaks in July, reaching a maximum of 43°C (109°F), compared to October's maximum of 36°C (96°F). Additionally, July sees higher precipitation levels with 205 mm (8.1 in) over 16 days, compared to October’s 108 mm (4.2 in) over the same number of days, which contributes to slightly higher humidity levels in July at 85% versus 81% in October. For a detailed view of July weather, you can check Nanjin weather in July.
October weather presents a significant contrast to August, marked by cooler temperatures and increased precipitation. While August boasts a higher average temperature of 30°C (86°F) and can reach maximums of 41°C (107°F), October sees a more moderate range with minimums of 10°C (50°F) and average highs of 18°C (65°F). Moreover, both months experience considerable humidity, with August being slightly higher at 87%, compared to October's 81%. Precipitation also plays a role, with October receiving 108 mm (4.2 in) over 16 days, while August records 149 mm (5.9 in) over 14 days. For a detailed overview of August weather, visit Nanjin weather in August.
In comparing the weather of October and September, October generally presents cooler temperatures, with a minimum of 10°C (50°F) and an average of 18°C (65°F), compared to September’s higher minimum of 17°C (63°F) and an average of 24°C (76°F). Moreover, while September can reach a maximum of 39°C (102°F), October's maximum temperature is notably lower at 36°C (96°F). Precipitation in October totals 108 mm (4.2 in) over 16 days, which is less than September's 157 mm (6.2 in) also over 16 days. The humidity remains relatively high in both months, with October at 81% and September slightly higher at 84%. For further details, you can check Nanjin weather in September.
October and November exhibit distinct weather patterns as the seasons transition. In October, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (96°F), with an average of 18°C (65°F). The month sees considerable precipitation, totaling 108 mm (4.2 in) across 16 days, and the humidity hovers around 81%. In contrast, November experiences cooler conditions, with temperatures dropping to a minimum of 5°C (41°F) and peaking at 25°C (77°F) for an average of 14°C (57°F). Precipitation decreases significantly to 39 mm (1.5 in) over just 9 days, while humidity slightly rises to 86%. For more detailed insights, you can check Nanjin weather in November.
In October, the weather is significantly warmer with average temperatures reaching 18°C (65°F) and maximum highs soaring up to 36°C (96°F), making it a much sunnier month. However, it also experiences higher levels of precipitation, accumulating around 108 mm (4.2 in) over 16 days, contributing to an overall humidity of 81%. In contrast, December sees a notable drop in temperatures, with averages around 9°C (49°F) and a maximum of only 18°C (65°F). Precipitation decreases sharply to 27 mm (1.1 in) over just 7 days, while humidity remains steady at 81%. For a more detailed look at December weather, you can refer to Nanjin weather in December.
As October unfolds in Nanjin, the weather presents a delightful shift from the sweltering summer months, bringing a refreshing coolness and increased humidity. The average temperature dips significantly, making it more comfortable for outdoor activities, while occasional rainfall adds a refreshing touch to the atmosphere. With over half the month experiencing some precipitation, it's wise to keep an umbrella handy, yet these showers often enhance the beauty of the vibrant autumn landscape. Overall, October serves as a bridge between the summer heat and the chill of winter, inviting both locals and visitors to enjoy the transitional beauty of Nanjin. For a deeper dive into the weather nuances throughout the year, check out Nanjin Climate.