October Weather in Jiangnan, China

Last updated: August 21, 2025

October in Jiangnan, China offers a delightful blend of mild temperatures and refreshing autumn breezes. During this month, temperatures can reach a maximum of 35°C (95°F), while the average hovers around 25°C (77°F), providing an ideal climate for outdoor activities. Nighttime brings a cooler reprieve, with temperatures dipping to a minimum of 15°C (60°F). Although October sees about 143 mm (5.6 in) of precipitation over approximately 12 days, the humidity level remains a manageable 65%, making it a comfortable time to explore the region's rich cultural landscapes and breathtaking scenery.

October Temperature in Jiangnan

In October, Jiangnan, China experiences a significant shift as the summer heat begins to wane. With minimum temperatures around 15°C (60°F) and average highs reaching up to 35°C (95°F), the region enjoys milder days compared to the scorching summer months. This transitional period allows for an increase in comfortable, pleasant weather, perfect for outdoor activities. The average temperature settles at a warm 25°C (77°F), offering a delightful escape from the earlier high heat signaling the approach of winter. As October unfolds, the landscape begins to transform, setting the stage for the stunning autumn colors that define this picturesque region.

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).
JanFebMarAprMayJunJulAugSepOctNovDec616270738084858483767062
Data source: Temperature data for Jiangnan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Jiangnan

October in Jiangnan, China, marks a notable shift in precipitation trends as the region transitions from the heavy summer rains. With an average of 143 mm (5.6 in) of rain over 12 days, October experiences a significant decrease compared to the summer months, yet retains a robust level of moisture that contributes to the region's lush landscapes. This month's rainfall is less than September's, which typically sees the tail end of summer storms, but still supports the vibrant autumn colors. The steady reduction in both the total precipitation and the number of rainy days hints at the approaching winter, laying the groundwork for the drier months ahead. Overall, October serves as a beautiful bridge between the peaks of summer rainfall and the tranquility of winter dryness.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2156821272163152223262331432717
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Jiangnan

As autumn settles in, October in Jiangnan, China, brings a noticeable shift in humidity, dropping to 65% from the summer’s peak levels. This month's humidity marks a decline from the high averages of 88% in July and August, transitioning the region back to more comfortable conditions as the heat recedes. Following September's 75%, October signals the return of drier air, reminiscent of the early winter months, with humidity rates comparable to those of January and November. This pattern suggests a steady decrease in moisture as the cooler months approach, making October a refreshing time for both residents and visitors alike to enjoy the beauty 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.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Jiangnan

As October rolls into Jiangnan, China, the UV Index reveals a noteworthy trend: while still classified as very high with an index of 10, it marks a slight decrease from the extreme levels experienced in the summer months. The average burn time increases to 15 minutes, offering a brief respite from the intense sun exposure typical of earlier months. This reflects a transitional phase as autumn deepens, yet it's essential to remain vigilant about sun safety. As we move through October, embracing this seasonal change with sun protection is crucial to safeguarding your skin from UV damage. For detailed UV updates, check out 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313111097
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

October in Jiangnan, China, showcases a delightful display of sunshine, with 271 hours of glorious sunlight gracing the month. This slight decline from the peak of 307 hours in July signals the transition into autumn, where vibrant foliage begins to paint the landscape. Following a consistently sunlit summer, the trend continues into the early fall, as September still enjoys 280 hours of brightness. Although sunlight decreases through the year, October still holds its own, eclipsing many earlier months like February and November with their 233 and 260 hours, respectively. As the air cools and the days shorten, the warmth of October's sunshine becomes a cherished bridge to the winter months ahead, making it a perfect time to revel in the beauty of Jiangnan.

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.
JanFebMarAprMayJunJulAugSepOctNovDec202h233h236h236h287h277h307h276h280h271h260h263h
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 heralds a transition in weather patterns, offering a modest 33% chance of sunny days. Following the sweltering summer months, where the likelihood of a clear sky plummets to just 14% in August, October’s sunshine is a welcome reprieve. While this percentage is relatively low compared to the brighter months of November and December, which boast 62% and 48% chances of sun respectively, it provides a hint of warmth and brightness before the onset of winter. As the region slowly shifts from the dampness of earlier fall, October captures a fleeting glimpse of sunshine, serving as a gentle reminder of the vibrant seasons ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec56%51%28%30%29%10%29%14%38%33%62%48%
Data source: Jiangnan October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangnan in October

In October, daylight in Jiangnan, China, begins its subtle decline, offering about 11 hours of sunlight each day. Following the peak of 13 hours in the summer months, this moderate reduction aligns with the transition into cooler weather, as the region shifts from the vibrancy of summer to the gentle hues of autumn. The trend reveals a gradual dimming that mirrors the changing seasons, with the most sunlight seen in May, June, and July, while both November and December bring us back to shorter days, echoing the rhythms of nature. This ebb and flow of daylight not only marks the passage of the year but also invites a moment of reflection amidst the shifting scenery.

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 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 14m11h 36m11h 2m10h 45m
Data source: Jiangnan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Jiangnan

As October unfolds in Jiangnan, the serene landscape comes alive with a noticeable increase in wind speed, reaching an average of 3.5 m/s (8 mph). This invigorating breeze contrasts sharply with the languid summer months, where August and September barely grazed 1.9 m/s (4 mph) and 1.5 m/s (3 mph), respectively. Following a gradual rise in wind velocity throughout the autumn, October's invigorating gusts signal a shift towards the seasonal change. The winds in Jiangnan not only breathe life into the crisp air but also herald the advent of a vibrant autumn, making it a perfect time for outdoor explorations amidst the changing foliage.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.22.72.42.62.42.21.91.53.5 m/s2.83.0
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.

The weather in October contrasts sharply with that of January, showcasing a significant shift in temperatures and precipitation patterns. In October, temperatures range from a pleasant 15°C (60°F) at night to a warm 35°C (95°F) during the day, accompanied by substantial rainfall of 143 mm (5.6 in) spread over 12 days and humidity levels hovering around 65%. In stark contrast, January exhibits much cooler temperatures, with nighttime lows dipping to 3°C (38°F) and daytime averages reaching only 16°C (61°F), while the maximum temperature peaks at 28°C (83°F). Precipitation in January is notably less, totaling just 21 mm (0.8 in) over three days, and the humidity is slightly lower at 64%. For more details on January weather specifics, you can find additional information here: Jiangnan weather in January.

October and February exhibit distinct weather characteristics. October enjoys warmer temperatures, with a minimum of 15°C (60°F), an average of 25°C (77°F), and a maximum reaching up to 35°C (95°F). This month sees significant rainfall, totaling 143 mm (5.6 in) over about 12 days, along with a humidity level of 65%. In contrast, February is much cooler, with temperatures ranging from a minimum of 4°C (40°F) to an average of 17°C (62°F) and a peak of 29°C (84°F). Precipitation is markedly lower at 56 mm (2.2 in) across 8 days, but humidity is slightly higher at 68%. For a closer look at weather conditions in February, you can explore more about Jiangnan weather in February.

When comparing the weather between October and March, notable differences emerge. October typically experiences warmer temperatures, with a minimum of 15°C (60°F), an average of 25°C (77°F), and a maximum of 35°C (95°F). In contrast, March starts off cooler, with a minimum of 9°C (48°F) and an average of 21°C (70°F), peaking at 32°C (90°F). Precipitation in October is also significantly higher at 143 mm (5.6 in) over 12 days, compared to March's 82 mm (3.2 in) across 15 days. The humidity levels are somewhat elevated in March at 73%, compared to October’s 65%. For a more detailed look at March weather, you can visit Jiangnan weather in March.

October and April offer distinct weather experiences, with October generally featuring warmer temperatures. In October, the minimum temperature averages 15°C (60°F) and can reach a maximum of 35°C (95°F), while April's temperatures range from a minimum of 11°C (53°F) to a maximum of 33°C (92°F). Both months experience considerable precipitation, with October receiving about 143 mm (5.6 in) over 12 days and April slightly less at 127 mm (5.0 in) during 14 days. Additionally, humidity levels are higher in April, averaging 71% compared to October's 65%. For more details on April's weather, you can check out Jiangnan weather in April.

In October, the weather features a minimum temperature of 15°C (60°F) and an average of 25°C (77°F), with highs reaching up to 35°C (95°F). The month typically sees around 143 mm (5.6 in) of precipitation over about 12 days, accompanied by a humidity level of 65%. In comparison, May has similar minimum temperatures at 15°C (59°F) but boasts a slightly higher average of 27°C (80°F). The maximum temperatures in May can also reach 35°C (96°F), yet this month experiences more rainfall, totaling 216 mm (8.5 in) over approximately 20 days, and a higher humidity of 79%. For a closer look at weather patterns in May, you can visit Jiangnan weather in May.

When comparing the weather in October to June, we can observe some notable differences. October experiences a milder temperature range, with minimums around 15°C (60°F) and averages of about 25°C (77°F), while June tends to be much warmer, with minimums averaging 23°C (74°F) and an average of 29°C (84°F). Precipitation also stands out, as June is significantly wetter, receiving 315 mm (12.4 in) over 22 days, compared to October's 143 mm (5.6 in) over 12 days. Additionally, June’s humidity is higher at 77%, contrasted with October’s 65%. For more insights on the weather patterns, check out this link: Jiangnan weather in June.

When comparing the weather in July and October, it's clear that July tends to be hotter and more humid. With average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 37°C (98°F), July is significantly warmer than October, where temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (95°F). Additionally, July experiences higher humidity levels at 88% compared to October's 65%, making it feel much stickier. Precipitation is also more common in July, with 222 mm (8.7 in) over 23 days, versus October's 143 mm (5.6 in) spread over just 12 days. For more detailed information on July weather in the region, visit Jiangnan weather in July.

In comparing the weather between October and August, October tends to be milder and drier. The average temperature in October is around 25°C (77°F), with maximums reaching up to 35°C (95°F), while August sees higher temperatures, averaging 29°C (84°F) and peaking at 37°C (100°F). August is also characterized by significantly higher humidity levels at 88% compared to October’s 65%. Additionally, August experiences more precipitation, with a total of 326 mm (12.8 in) over 25 days, whereas October has only 143 mm (5.6 in) over 12 days. For more details on August weather patterns, you can check Jiangnan weather in August.

October weather presents a notable shift compared to September, with cooler temperatures overall. While September maintains a warmer average of 28°C (83°F) and features a higher minimum temperature of 21°C (70°F), October's temperatures range from a minimum of 15°C (60°F) to an average of 25°C (77°F). Additionally, October experiences less precipitation at 143 mm (5.6 in) over 12 days, compared to September's significant 233 mm (9.2 in) across 23 days, contributing to a decrease in humidity from 75% in September to 65% in October. For more insights on September weather patterns, visit Jiangnan weather in September.

October and November present a noticeable shift in weather patterns. In October, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (95°F), with an average of 25°C (77°F), making it generally warmer. Additionally, October experiences higher rainfall, totaling 143 mm (5.6 in) over 12 days, and humidity levels hover around 65%. In contrast, November sees a decrease in temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (88°F), resulting in an average of 21°C (70°F). Precipitation is also significantly lower in November, at just 27 mm (1.1 in) over 5 days, while humidity remains relatively stable at 64%. For more detailed information, you can check out Jiangnan weather in November.

October and December present notably different weather patterns. In October, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (95°F), with an average of 25°C (77°F). This month also experiences significant rainfall, totaling 143 mm (5.6 in) over 12 days, contributing to a humidity level of 65%. In contrast, December sees a cooler temperature range with minimums of 7°C (44°F) and maximums of 29°C (84°F), averaging 17°C (62°F). Additionally, precipitation drops dramatically to just 17 mm (0.7 in) over only 3 days, with humidity slightly increasing to 69%. For more detailed information, you can visit Jiangnan weather in December.

Compare Jiangnan's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Jiangnan

In October, Jiangnan experiences a delightful transition as summer slowly yields to the cool embrace of autumn. With temperatures averaging around 25°C (77°F), the warmth is still present, but the sweltering heat of summer gives way to more moderate conditions. This month sees increased rainfall with 12 days of precipitation, making the air feel notably humid at 65%. The combination of occasional rain and cooler evenings creates a refreshing atmosphere, setting October apart from the hotter and drier months preceding it. For a deeper understanding of what to expect throughout the year, explore the detailed insights on Jiangnan Climate.