Last updated: August 21, 2025
October in Jiangnan, China is characterized by a notable range of temperatures, with maximums soaring up to 37°C (98°F) and dropping to a minimum of 9°C (49°F). The average temperature holds at a comfortable 21°C (69°F), making it a pleasant month overall. Rainfall contributes to the season's charm, with 59 mm (2.3 in) of precipitation spread over about 7 days, creating a refreshing atmosphere. Coupled with a humidity level of 74%, October offers a vibrant tapestry of weather that beautifully encapsulates the region's autumnal essence. Visitors and locals alike can enjoy the mild yet dynamic climate as they experience the rich culture and stunning landscapes of Jiangnan.
In October, Jiangnan, China, experiences a delightful transition into autumn, marked by a minimum temperature of 9°C (49°F) and a comfortable average of 21°C (69°F). This month's weather offers a significant cool down from the sweltering highs of summer, with maximum temperatures reaching up to 37°C (98°F). As the days grow shorter and crisp air takes over, locals can enjoy the vibrant fall foliage and the pleasant balance between warmth and chill. This trend of mild temperatures sets the stage for a beautiful month, contrasting sharply with the biting cold that follows in November, reminding us of nature's dynamic shifts.
In October, Jiangnan experiences a notable shift in precipitation, with 59 mm (2.3 in) of rain falling over just 7 days. This marks a decrease from the wetter summer months, where rainfall peaks as high as 286 mm (11.3 in) in June. As the autumn air settles in, the transition is evident, with October's moisture levels reflecting a more moderate climate, a stark contrast to the 189 mm (7.4 in) seen in May. This reduction in both the amount of rainfall and the number of rainy days hints at the region's gradual move towards winter, offering a brief respite before the season's chill sets in. Overall, October serves as a bridge between the lush, rainy summers and the drier, cooler months ahead.
As October arrives in Jiangnan, China, the humidity experiences a slight dip to 74%, marking a transition from the summer’s peak moisture levels. Following the sweltering July and August, where humidity levels soared to 91% and 87% respectively, October’s conditions provide a welcome respite for residents. The month builds on September's drop to 72%, hinting at a trend of decreasing humidity as autumn settles in. Despite this decline, October remains notably humid compared to earlier months like January and February, when levels were 65% and 71%. This gradual reduction sets the stage for the crisp, refreshing air of winter, while still reflecting the lingering warmth of Jiangnan’s humid subtropical climate.
As October rolls into Jiangnan, China, the UV Index settles at 8, placing it in the very high exposure category. With a burn time of just 15 minutes, it's a reminder that even as autumn arrives, sun safety remains crucial. This month marks a slight decline from the extreme levels seen in the summer months, where UV Index ratings peaked at 12, but October's reading still emphasizes the importance of protection from harmful rays. Observing a trend, the UV Index starts strong with high levels in January and maintains elevated readings through the spring and summer before tapering off in winter. For more detailed insights and tips on managing UV exposure, visit Jiangnan UV Index.
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In October, Jiangnan, China, basks in a generous 210 hours of sunshine, marking a delightful transition from the vibrant, sun-drenched days of summer. As autumn settles in, it's evident that this month enjoys a comfortable basking in daylight, especially compared to earlier months like January and February, which yield a modest 142 and 192 hours, respectively. The trend shows a gradual increase in sunshine hours as the year progresses, peaking in the sultry August with an impressive 309 hours. October stands out as a perfect respite from the sweltering summer heat while still providing ample sunlight for outdoor explorations. While the days grow shorter heading into winter, the sunlight of October serves as a warm reminder of the lingering brightness before the colder months set in.
In Jiangnan, China, the likelihood of sunny weather in October stands at a modest 34%, indicating a notable drop from the sunnier late summer months. The trend reveals a gradual decline in the chance of sunshine from April's 27% to October, following a peak in September with 45%. As autumn progresses, residents can expect an increasing chance of overcast skies, with sunshine becoming less frequent. The brighter days of winter may offer some relief, as November and December rise to 41% and 55%, respectively, reminding us that even as the days grow shorter, the sun can still make a cheerful appearance.
As October arrives in Jiangnan, China, daylight begins to wane, offering approximately 11 hours of sunlight each day—a gentle reminder that fall is in full swing. This month marks a noticeable shift following the sun-soaked summer, where daylight peaked at 13 hours from June through September. The gradual decline from the bright days of late summer to the shorter autumn afternoons evokes a sense of transition, as the region prepares for the cozy months ahead. With daylight beginning to settle at fewer hours, the charming atmosphere of October invites locals and visitors alike to savor the rich hues of autumn while enjoying the crisp air and beautiful landscapes.
As the autumn leaves begin to dance in October's gentle breeze, Jiangnan experiences a refreshing shift in the air, with average wind speeds rising to 2.1 m/s (5 mph). This increase marks a notable contrast to the calm of the summer months, when June and August saw their lowest winds at 1.4 m/s (3 mph). After a gradual rise through the warmer season, October's winds signal a transition, echoing the changes in nature that accompany the shift to fall. Not only does the wind invigorate the landscape, but it also complements the region's rich cultural tapestry, inviting locals and visitors alike to revel in the serene beauty of Jiangnan's autumn. With wind speeds consistently hovering around 4 mph across the year, October stands out as a delightful moment of briskness, setting the stage for the cozy charm of the months to come.
Weather in Jiangnan varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Jiangnan, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January present starkly different weather conditions. In October, temperatures range from a minimum of 9°C (49°F) to a maximum of 37°C (98°F), with an average of 21°C (69°F). This month also brings about 59 mm (2.3 in) of precipitation over approximately 7 days and has a higher humidity level of 74%. In contrast, January experiences much colder weather, with temperatures dipping as low as -5°C (23°F) and peaking at 25°C (78°F), averaging only 7°C (46°F). The precipitation in January is slightly higher at 67 mm (2.7 in), spread out over 8 days, accompanied by a lower humidity of 65%. For more detailed insights into the January weather, you can check out Jiangnan weather in January.
October and February present quite contrasting weather patterns. In October, temperatures range from a mild 9°C (49°F) at night to a warm 37°C (98°F) during the day, with an average of 21°C (69°F). This month sees about 59 mm (2.3 in) of precipitation over approximately seven days, combined with a humidity level of 74%. In comparison, February experiences much cooler temperatures, with nighttime lows dropping to -3°C (26°F) and daytime highs reaching a maximum of 27°C (81°F). Precipitation in February is slightly higher at 75 mm (2.9 in), spread over ten days, and the humidity remains relatively consistent at 71%. For more detailed insights into the weather during this month, you can refer to Jiangnan weather in February.
October and March present striking contrasts in weather patterns. In October, temperatures range from a pleasant minimum of 9°C (49°F) to a warm maximum of 37°C (98°F), with an average of 21°C (69°F). This month sees relatively moderate precipitation of 59 mm (2.3 in) over about 7 days, accompanied by a humidity level of 74%. In contrast, March experiences cooler conditions, with temperatures dipping down to a low of -1°C (31°F) and peaking at 31°C (89°F), giving it an average of 14°C (57°F). March is also notably wetter, with 134 mm (5.3 in) of rain spread across 15 days and a higher humidity level of 81%. For more details, check out Jiangnan weather in March.
In October, the weather tends to be warmer with average temperatures around 21°C (69°F) and maximums reaching up to 37°C (98°F), while April sees cooler conditions with an average of 18°C (65°F) and maximums of 34°C (93°F). October has lower humidity levels at 74% compared to April's higher 86%, which contributes to a feeling of warmth in both months. However, April experiences more precipitation, averaging 97 mm (3.8 in) over 12 days, whereas October has 59 mm (2.3 in) over just 7 days. For more details on April's weather, you can visit Jiangnan weather in April.
When comparing October and May weather, a notable difference in temperatures can be observed. In October, the average temperature reaches a comfortable 21°C (69°F), with highs peaking at 37°C (98°F), while May averages slightly higher at 23°C (74°F), soaring up to an impressive 41°C (107°F). Precipitation also varies significantly; October experiences 59 mm (2.3 in) over 7 days, whereas May sees a much wetter month with 189 mm (7.4 in) spread across 14 days, contributing to higher humidity levels at 87% compared to October's 74%. For further information about the unique conditions of May, check out Jiangnan weather in May.
October weather is characterized by a milder temperature range, with minimums around 9°C (49°F) and maximums reaching 37°C (98°F). The average temperature settles at a comfortable 21°C (69°F), making it an enjoyable month overall, despite experiencing around 59 mm (2.3 in) of precipitation over approximately 7 days at a humidity level of 74%. In contrast, June is significantly warmer, with minimum temperatures starting at 15°C (60°F) and an average of 25°C (78°F), peaking at 38°C (100°F). However, June is also notably wetter, with 286 mm (11.3 in) of rain distributed over 19 days and a higher humidity of 87%. For a deeper insight into the specifics of summertime weather patterns, check out Jiangnan weather in June.
The weather in October exhibits a notable drop in temperatures compared to July. While July enjoys warm temperatures with a minimum of 21°C (70°F) and an average of 29°C (85°F), October's temperatures range from a cooler minimum of 9°C (49°F) to an average of 21°C (69°F). Additionally, July is characterized by significantly higher precipitation, totaling 233 mm (9.2 in) over 16 days, whereas October receives only 59 mm (2.3 in) over 7 days. The humidity levels are also higher in July at 91%, compared to October's 74%. For more detailed insights on the July weather, you can refer to this link: Jiangnan weather in July.
In October, temperatures are considerably cooler, with minimums dropping to 9°C (49°F) and averages around 21°C (69°F), compared to the warmer August averages of 30°C (87°F) and maximums soaring up to 41°C (106°F). Additionally, October experiences lower humidity at 74%, whereas August sees a much higher humidity level of 87%. Precipitation in October is also reduced to 59 mm (2.3 in) over 7 days, significantly less than August's 136 mm (5.3 in) over 11 days. For those interested in the specifics of August weather, you can find more information here: Jiangnan weather in August.
In comparing the weather between September and October, October experiences a notable drop in minimum temperatures, averaging 9°C (49°F) compared to September's milder 16°C (62°F). The average temperature in October is also cooler at 21°C (69°F), while September remains warmer at 27°C (80°F). Although October has slightly lower maximum temperatures, reaching up to 37°C (98°F), it still feels hotter than the lower end of September's range, which peaks at 39°C (102°F). Precipitation is also less in October, totaling 59 mm (2.3 in) over 7 days, while September sees more rain with 90 mm (3.6 in) over 11 days. Humidity levels are relatively similar, at 74% for October and 72% for September. For more details about September's weather, you can visit Jiangnan weather in September.
October typically experiences warmer temperatures compared to November, with a minimum of 9°C (49°F) and an average high of 21°C (69°F), while November sees cooler conditions with a minimum of 3°C (38°F) and an average high of 15°C (60°F). Additionally, October tends to have less precipitation, recording 59 mm (2.3 in) over 7 days, whereas November sees a slight increase in rainfall to 67 mm (2.6 in) over 9 days. Humidity levels are also higher in November, hitting 80% compared to October's 74%. For more detailed insights, check out Jiangnan weather in November.
October and December showcase a significant contrast in weather conditions. In October, temperatures range from a mild 9°C (49°F) at night to a hot 37°C (98°F) during the day, with an average of 21°C (69°F). The month experiences approximately 59 mm (2.3 in) of precipitation over about 7 days, and humidity levels sit at 74%, creating a warm and somewhat humid atmosphere.
In contrast, December brings much cooler weather, with nighttime temperatures dropping to -2°C (29°F) and daytime highs reaching 25°C (78°F), averaging around 9°C (49°F). Precipitation slightly increases to 62 mm (2.5 in) over about 9 days, accompanied by a rise in humidity to 78%. For more detailed insights on December weather, you can visit Jiangnan weather in December. Overall, October offers warmth and humidity, while December introduces a chill and more precipitation.
October in Jiangnan is a month of transition, where the oppressive heat of summer gradually gives way to cooler, more comfortable temperatures. This shift is marked by an average temperature of 21°C, providing a welcome reprieve from the highs that can soar above 37°C earlier in the year. As the humidity lingers at 74%, the air retains a hint of warmth, though it becomes more tolerable with the reduction in sweltering days. While October does see some rainfall, with about 59 mm falling over approximately seven days, it's generally drier than the peak summer months. This blend of mild temperatures and occasional showers makes October an ideal time to experience the charm of Jiangnan. For more insightful information about this beautiful region, visit Jiangnan Climate.