October Weather in Jiangnan, China

Last updated: August 21, 2025

In October, Jiangnan, China experiences a fascinating mix of weather patterns that define the transition into autumn. With maximum temperatures reaching 33°C (92°F), the warmth persists, yet average daily temperatures settle at a comfortable 22°C (72°F). Nights can cool down to a refreshing 13°C (55°F), providing a welcome respite. The region sees an average precipitation of 69 mm (2.7 in) spread over approximately 10 rainy days, contributing to humidity levels around 72%, which creates a lush and vibrant atmosphere. This delightful blend of warm days and cooler nights makes October an enchanting time to explore the beauty of Jiangnan.

October Temperature in Jiangnan

In October, Jiangnan, China, welcomes a pleasant transition from the sweltering summer months, with temperatures starting to cool significantly. The minimum temperature hovers around a comfortable 13°C (55°F), while the average reaches a moderate 22°C (72°F), peaking at a delightful 33°C (92°F) during the day. This drop in temperature signifies a shift in the season, providing a perfect backdrop for outdoor activities and cultural festivals. Compared to the preceding summer months, October’s weather offers a refreshing relief, showcasing the region's potential for both sightseeing and enjoying the emerging autumn colors. As the month progresses, these adjustments highlight a broader trend towards cooler, more inviting conditions, making it an ideal time to explore the scenic beauty of Jiangnan.

October Weather in Jiangnan: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Jiangnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangnan, October 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).
JanFebMarAprMayJunJulAugSepOctNovDec525258647278838279726456
Data source: Temperature data for Jiangnan 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.

October Precipitation in Jiangnan

In October, Jiangnan experiences a moderate dip in precipitation, recording an average of 69 mm (2.7 inches) over 10 days of rain. This month marks a transition as the intense summer rainfall subsides, showcasing a distinct shift from the heavier downpours of July and August, which peak at over 300 mm. Compared to September’s total of 94 mm (3.7 inches), October’s rainfall is relatively gentle, hinting at the region's gradual move towards drier late autumn conditions. As October unfolds, the calming rains often enrich the scenery, setting the stage for the vibrant fall foliage that characterizes Jiangnan's landscape.

October Precipitation Trends in Jiangnan

The chart displays monthly precipitation patterns in Jiangnan, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Jiangnan, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec528814010616530212730094697546
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Jiangnan

In October, Jiangnan experiences a noticeable dip in humidity, with levels averaging 72%. This marks a departure from the peak summer months, where humidity soared to as high as 88% in July. As autumn progresses, the transition from the sultry conditions of summer becomes evident, with September's humidity dropping to 67% before stabilizing slightly in October. Following this, the region sees a gradual increase again as it heads into the winter months, with November rising to 77%. Overall, October serves as a pivotal point, balancing the tail end of the humid summer and the impending dryness of winter, reflecting the dynamic weather patterns characteristic of Jiangnan.

October Average Humidity in Jiangnan

This chart illustrates the average monthly humidity levels in Jiangnan, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Jiangnan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%81%84%87%84%88%85%67%72%77%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Jiangnan

As October arrives in Jiangnan, China, sun-seekers should remain vigilant with a UV Index of 9, categorizing this month as having a very high level of solar radiation. This marks a slight decline from the extreme levels experienced during the peak of summer, yet precautions are still essential, with a burn time of just 15 minutes for unprotected skin. Following a summer of extreme UV exposure peaking at 13, the transition to October indicates a gradual moderation in UV intensity, aligning with the cooler fall temperatures. As the months progress towards winter, the UV Index will continue to decrease, but for now, it’s crucial to adopt protective measures when basking in the autumn sun. Stay informed about the UV levels and protect your skin by checking the detailed forecast at Jiangnan UV Index.

Maximum UV Index Levels in Jiangnan for October

The chart shows the monthly maximum UV Index (UVI) for Jiangnan in October, 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 October, the maximum UV index in Jiangnan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6910111213121311986
Data source: Jiangnan October 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.

October Sunshine in Jiangnan

As autumn descends on Jiangnan, October brings a delightful 249 hours of sunshine, which, while slightly lower than the peak summer months, still provides plenty of radiant days to enjoy. The trend suggests a gentle decline in sunlight from the year's sunniest months—July and August, boasting a remarkable 313 and 304 hours respectively—towards the cozy embrace of fall. This transitional phase sees October basking in bright days that can rejuvenate the spirit before the cloudier and cooler months of November and December set in. With stunning landscapes drenched in golden hues under the October sun, it’s the perfect time to explore the picturesque region so renowned for its enchanting scenery.

Monthly Sunshine Duration in Jiangnan: October Highlighted

The October sunshine duration represents the total number of hours Jiangnan experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec170h211h242h257h274h228h313h304h279h249h211h204h
Data source: Jiangnan October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiangnan During October

In Jiangnan, China, October presents a moderate likelihood of sunny weather, with a 26% chance of clear skies. This marks a slight uptick from the dismal prospects seen in the summer months, where sunshine chances plummet to as low as 5% in June. Interestingly, as the year progresses from September, which enjoys a 50% chance of sun, October seems to transition back into a more variable climate. While not the sunniest month, it stands out as one of the better times for a glimpse of golden rays before the cooler, cloudier months of November and December set in. As the seasons change, October offers a delicate balance, reminding us of both the warmth of autumn and the gradual onset of winter.

Percentage of Sunny Days in October in Jiangnan

The chart illustrates the percentage of sunny days in Jiangnan throughout the year, with October 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 Jiangnan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%44%33%26%13%6%23%19%50%26%33%38%
Data source: Jiangnan October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangnan in October

As October rolls in, Jiangnan, China, experiences a gentle transition in daylight duration, offering approximately 11 hours of daylight. Following the summer months of maximum brightness, where the sun graces the region with up to 13 hours daily, there’s a noticeable decline as autumn settles over the landscape. This month marks a shift from the vibrant days of summer, with daylight gradually waning as the year approaches its final chapters. The trend showcases a gradual tapering of sunlight from the lengthy days of summer, prompting a cozy embrace of shorter but still generous daylight hours, perfectly complementing the region's colorful autumn foliage. As November approaches, this perhaps serves as a gentle reminder of the cyclical nature of the seasons, with the days growing shorter once more.

Average Daylight Hours in Jiangnan for October

The chart illustrates the variation in daylight duration in Jiangnan throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 41m11h 15m12h12h 46m13h 25m13h 44m13h 34m13h12h 16m11h 30m10h 51m10h 30m
Data source: Jiangnan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Jiangnan

As October descends upon Jiangnan, the landscape dances to the rhythm of the brisk winds, with average gusts soaring to 4.1 m/s (9 mph)—the highest of the year. This noticeable uptick in wind speed marks a departure from the milder breezes of the summer months, where speeds hovered around 2.4 to 3.1 m/s. With October's winds, the air carries a crisp freshness, signaling the onset of autumn and inviting a tapestry of colorful foliage. As the swirling leaves take flight, it’s a reminder of nature's gentle transition, bringing both a chill and invigorating energy that the region embraces in harmonious change.

Average October Wind Speed in Jiangnan

The chart displays monthly wind speed patterns in Jiangnan, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.92.52.92.42.63.12.72.44.1 m/s3.03.4
Data source: Jiangnan October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Jiangnan Compares to Other Months

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 showcase distinct weather patterns, offering a striking contrast in temperatures and conditions. In October, temperatures range from a comfortable minimum of 13°C (55°F) to a warm maximum of 33°C (92°F), with an average of 22°C (72°F). This month experiences about 69 mm (2.7 in) of precipitation over approximately 10 days, along with a humidity level of 72%, creating a humid atmosphere. In contrast, January presents cooler temperatures, with a minimum of 0°C (33°F) and a maximum reaching 25°C (78°F), averaging 11°C (53°F). Precipitation is reduced to 52 mm (2.0 in) over 7 days, and humidity slightly decreases to 66%. For further details about January’s climate in this region, you can visit Jiangnan weather in January.

October and February present contrasting weather profiles. October enjoys warmer temperatures, with an average of 22°C (72°F) and a maximum reaching up to 33°C (92°F), while February is significantly cooler, averaging just 11°C (52°F) and peaking at 25°C (77°F). Both months experience similar precipitation patterns, with October receiving 69 mm (2.7 in) and February slightly more at 88 mm (3.5 in), and both have around 10 rainy days. Humidity levels remain comparable, hovering at 72% in October and 71% in February, making both months feel relatively humid. For more details on February weather, you can visit Jiangnan weather in February.

In October, the weather typically features milder temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), with an average of 22°C (72°F). The precipitation during this month averages 69 mm (2.7 in) over about 10 days, resulting in a humidity level of around 72%. In contrast, March is much cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 27°C (82°F), and a lower average of 14°C (58°F). March also sees higher precipitation levels at 140 mm (5.5 in) across approximately 16 days, leading to a slightly higher humidity of 81%. For a more detailed understanding of March weather in the Jiangnan region, you can visit Jiangnan weather in March.

When comparing the weather in October and April, October generally experiences warmer temperatures, with an average high of 22°C (72°F) compared to April's 18°C (65°F). However, April tends to be wetter, receiving about 106 mm (4.2 in) of precipitation over 12 days, while October has a total of 69 mm (2.7 in) across 10 days. Additionally, October has a slightly lower humidity level at 72%, whereas April's humidity is higher at 84%. For more detailed insights, you can check Jiangnan weather in April.

In comparing the weather between October and May, we find some notable similarities and differences. Both months feature an average temperature of 22°C (72°F), providing comfortable conditions overall. However, October has a slightly wider temperature range with a minimum of 13°C (55°F) and a maximum of 33°C (92°F), whereas May typically ranges from 11°C (52°F) to 34°C (93°F).

When it comes to precipitation, May is significantly wetter, with total rainfall of 165 mm (6.5 in) over about 16 days, compared to October's 69 mm (2.7 in) spread across 10 days. This increased rainfall in May also contributes to higher humidity levels at 87%, compared to October's 72%. For a closer look at the climate trends in May, you can explore Jiangnan weather in May.

October and June present notably different weather patterns. In October, temperatures range from a minimum of 13°C (55°F) to a maximum of 33°C (92°F), with an average of 22°C (72°F). The month sees moderate rainfall, totaling about 69 mm (2.7 in) across roughly 10 days, along with a humidity level of 72%. Conversely, June is warmer, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (94°F) and an average of 26°C (78°F). However, June is also considerably wetter, with precipitation reaching 302 mm (11.9 in) over approximately 20 days, and a higher humidity of 84%. For more details on the weather during this month, check out Jiangnan weather in June.

In October, temperatures experience a notable shift compared to the sweltering July days. With a minimum of 13°C (55°F) and an average of 22°C (72°F), October feels much cooler, especially at night. In contrast, July boasts a much warmer range, starting from a minimum of 23°C (74°F) and reaching an average of 28°C (83°F), with maximum temperatures peaking at 36°C (97°F). Additionally, October experiences lower humidity at 72% compared to July’s 88%, making it feel less oppressive. However, October also sees more frequent rainfall, totaling 69 mm (2.7 in) over about 10 rainy days, whereas July has heavier precipitation with 127 mm (5.0 in) spread across 15 days. For more specific weather details, you can refer to Jiangnan weather in July.

In comparing the weather of October and August, October offers more moderate temperatures, with a minimum of 13°C (55°F) and an average of 22°C (72°F), compared to August's warmer range of 24°C (75°F) to a peak of 35°C (96°F). August experiences significantly higher humidity levels at 85%, making it feel more sultry, while October has a more comfortable humidity at 72%. Furthermore, October sees much less precipitation, with 69 mm (2.7 in) over about 10 days, in stark contrast to August, which receives a substantial 300 mm (11.8 in) over 22 days. For more details on August weather, visit Jiangnan weather in August.

October brings slightly cooler temperatures compared to September, with average highs around 33°C (92°F) compared to September's peak of 36°C (97°F). The minimum temperatures in October dip to 13°C (55°F), while September maintains a warmer low of 19°C (66°F). In terms of precipitation, October sees 69 mm (2.7 in) over about 10 days, which is an improvement over September's precipitation of 94 mm (3.7 in) across 15 days. The humidity also remains relatively high in October at 72%, more so than September's 67%. For a detailed look at September's climate, check out Jiangnan weather in September.

October generally presents warmer conditions compared to November, as the temperatures range from a minimum of 13°C (55°F) to a maximum of 33°C (92°F) with an average of 22°C (72°F). In contrast, November sees a drop in temperatures, with a minimum of 9°C (48°F) and a maximum of 29°C (84°F), averaging 18°C (64°F). While both months experience significant precipitation, October has 69 mm (2.7 in) over approximately 10 days, while November is slightly wetter with 75 mm (3.0 in) over 9 days. Humidity levels also increase in November, reaching 77% compared to October's 72%. For a detailed look at November weather specifics, check out Jiangnan weather in November.

October and December present a stark contrast in weather. In October, temperatures range from a mild 13°C (55°F) at night to a warm 33°C (92°F) during the day, with an average of 22°C (72°F). This month also sees moderate rainfall, with 69 mm (2.7 in) spread over about 10 days and a humidity level of 72%. In December, the temperatures drop significantly, with a minimum of 5°C (41°F) and a maximum of 25°C (78°F), averaging at 13°C (56°F). Precipitation decreases to 46 mm (1.8 in) across 9 days, but the humidity rises slightly to 80%. For a more comprehensive overview of December weather, you can check Jiangnan weather in December.

Compare Jiangnan's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Jiangnan

As October unfolds in Jiangnan, the weather transforms into a comfortable blend of warmth and coolness. Unlike the sweltering summer months, this transition brings a refreshing drop in temperatures, making outdoor activities more enjoyable. The average temperature hovers around a pleasant 22°C (72°F), contrasting sharply with the peak summer heat. While occasional rainfall occurs—spanning about 10 days with a total of 69 mm—these showers nourish the landscape, ensuring the region remains lush. Coupled with humidity levels at 72%, October's climate offers a unique balance that sets it apart from the extremes of both summer and winter. For those interested in understanding the broader context of Jiangnan’s climate variations, visit Jiangnan Climate.