August Weather in Changsha, China

Last updated: August 21, 2025

August in Changsha, China is characterized by warm temperatures and high humidity, making it a vibrant summer month. With maximum temperatures reaching 33°C (91°F) and an average of 28°C (83°F), the days are hot and inviting. Nights offer a respite with minimum temperatures around 23°C (74°F), perfect for evening outings. However, be prepared for frequent rainfall, as August records approximately 197 mm (7.7 in) of precipitation over 13 days, adding a lush greenery to the landscape. The humidity levels hover around a steamy 92%, creating a muggy atmosphere that is typical of sub-tropical climates.

August Temperature in Changsha

In August, Changsha basks in the warmth of summer, with temperatures showcasing a noticeable rise. The minimum temperature averages 23°C (74°F), offering a balmy start to the day, while the average hovers around 28°C (83°F), creating a perfect setting for outdoor activities. As the sun reaches its zenith, the maximum temperature peaks at 33°C (91°F), inviting locals and visitors alike to seek relief in shaded spots or enjoy evening strolls as the heat subsides. Compared to the cooler months preceding it, August stands out as one of the hottest periods in the region, reflecting a clear trend towards higher summer temperatures that significantly influence lifestyle and leisure in Changsha.

August Weather in Changsha: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Changsha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changsha, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec414249576673808277675846
Data source: Temperature data for Changsha 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.

August Precipitation in Changsha

August in Changsha, China, continues the trend of heightened precipitation that peaks in the summer months. Receiving 197 mm (7.7 in) of rain over 13 days, August follows July's remarkable total, showcasing the city’s characteristic monsoon climate. As the summer progresses, rainfall amounts diminish slightly, yet the month remains among the wettest of the year, just shy of July's striking 210 mm (8.3 in). This consistent pattern hints at a shift towards drier conditions in September, with precipitation likely to drop significantly to 138 mm (5.4 in). Thus, August serves as a transitional phase, blending vibrant summer storms with the anticipation of the drier autumn months ahead.

August Precipitation Trends in Changsha

The chart displays monthly precipitation patterns in Changsha, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Changsha, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60657181125134210197138816961
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Changsha

In August, Changsha, China, experiences high humidity levels at 92%, making it one of the more humid months of the year. This trend follows an exceptionally humid July, which peaks at 95%. As summer progresses, humidity steadily rises from 67% in January to a sweltering 90% in June, with each passing month contributing to a growing sense of mugginess. Following August, a notable drop occurs in September, when humidity decreases to 79%, signaling a shift towards drier conditions as autumn approaches. Overall, the data illustrates a clear progression of increasing humidity through the warmer months, highlighting the characteristic muggy summers of this vibrant city.

August Average Humidity in Changsha

This chart illustrates the average monthly humidity levels in Changsha, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Changsha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%69%79%86%87%90%95%92%79%76%77%73%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Changsha

In August, Changsha, China experiences a significant UV Index of 11, categorizing the exposure level as extreme. This mirrors the soaring values seen in July, highlighting a peak in sun intensity during the summer months. With a burn time of only 10 minutes, it's crucial for residents and visitors alike to take precautions against potential skin damage. As the summer progresses, outdoor activities should be planned with care, keeping the sun’s rays in mind. Following August, the UV Index begins to gradually decrease, returning to 10 in September. For more information on UV levels throughout the year, check out Changsha UV Index.

Maximum UV Index Levels in Changsha for August

The chart shows the monthly maximum UV Index (UVI) for Changsha in August, 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 August, the maximum UV index in Changsha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101011121110864
Data source: Changsha August 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.

August Sunshine in Changsha

August in Changsha, China, shines brightly with 308 hours of glorious sunshine, marking it as the sunniest month of the year. This vibrant summer month stands out against the backdrop of a pleasantly upward trend in sunlight, starting from 163 hours in January and steadily climbing to peak in August. The transition from spring to summer sees significant increases, with May and June each basking in nearly 290 hours. Even as the sun begins to retreat in the fall, September still offers a generous 269 hours. This warm embrace of sunlight through the summer highlights Changsha's allure, inviting locals and visitors alike to revel in the beauty of its sun-filled days.

Monthly Sunshine Duration in Changsha: August Highlighted

The August sunshine duration represents the total number of hours Changsha experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec163h218h257h265h289h287h287h308h269h247h223h213h
Data source: Changsha August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsha During August

In August, the likelihood of sunny weather in Changsha, China stands at a modest 38%, which is a slight improvement from the preceding months of July and June, where the chances dip to 24% and 30%, respectively. This upward trend highlights a transitional phase as the city moves away from the peak of summer and begins to embrace the more stable autumn months. Interestingly, as the year progresses, the prospects for sunny days significantly increase in September and October, reaching 46% and 40%. Overall, while August may not be the sunniest month of the year, the gradual rise in sunshine potential hints at a refreshing change in weather, paving the way for the vibrant hues of fall.

Percentage of Sunny Days in August in Changsha

The chart illustrates the percentage of sunny days in Changsha throughout the year, with August 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 Changsha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%47%34%35%31%30%24%38%46%40%59%61%
Data source: Changsha August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changsha in August

In Changsha, China, the daylight duration experiences a dynamic rhythm throughout the year, culminating in August with 13 hours of light. This month signals a gradual decline from the peak of 14 hours experienced in June and July, embodying the essence of summer's lingering warmth. As the seasons transition, daylight begins to recede, moving towards the shorter days of autumn. The gradual increase from 10 hours in January to a summer high reflects the region's vibrant growth and energy, making the diminishing daylight in August a gentle reminder of the impending seasonal shift. This pattern not only highlights the changing light but also the beauty of nature's cycles in Changsha.

Average Daylight Hours in Changsha for August

The chart illustrates the variation in daylight duration in Changsha throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 16m11h11h 59m12h 58m13h 48m14h 13m14h 1m13h 17m12h 20m11h 20m10h 29m10h 2m
Data source: Changsha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Changsha

In Changsha, China, the August wind whispers at an average speed of 4.7 m/s (11 mph), marking a subtle lull as the summer draws to a close. This serene breeze contrasts sharply with the earlier exuberance of July, which boasts the highest gusts at 6.8 m/s (15 mph), hinting at the vibrant life of the city in peak summer. As the seasons shift, a general trend emerges: the wind speeds fluctuate but remain relatively gentle, particularly during the warmer months. While spring and early summer experience lively breezes, August stands out as a moment of pause, setting the stage for the refreshing gusts that follow in September and October. Overall, the wind in Changsha flows in harmony with the rhythm of the seasons, offering a unique character to each month.

Average August Wind Speed in Changsha

The chart displays monthly wind speed patterns in Changsha, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.45.75.15.15.04.96.84.7 m/s5.65.55.34.7
Data source: Changsha August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Changsha Compares to Other Months

Weather in Changsha varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Changsha, focusing on differences in temperature, rainfall, humidity, and UV levels.

August and January present starkly contrasting weather conditions. August typically experiences a warm and humid climate, with average temperatures around 28°C (83°F) and maximums reaching up to 33°C (91°F). The month also sees abundant rainfall, averaging 197 mm (7.7 inches) over 13 days, contributing to a high humidity level of 92%. In contrast, January is characterized by a much colder atmosphere, with average temperatures plummeting to just 5°C (42°F) and maximums peaking at 13°C (56°F). Precipitation during this month is significantly lower, at 60 mm (2.4 inches) over 7 days, accompanied by a lower humidity of 67%. For more details on January's weather, you can visit Changsha weather in January.

August and February present contrasting weather conditions, showcasing the extremes of seasonal variation. In August, temperatures soar with a minimum of 23°C (74°F), averaging around 28°C (83°F), and peaking at 33°C (91°F). The month is characterized by significant rainfall, with 197 mm (7.7 in) of precipitation over 13 days, alongside a high humidity level of 92%, creating a sultry atmosphere. In stark contrast, February experiences a chillier climate, featuring a minimum temperature of -2°C (30°F), an average of 5°C (42°F), and a maximum of 14°C (58°F). Precipitation is considerably lower at 65 mm (2.5 in) over 9 days, coupled with a humidity level of 69%, resulting in a much drier feel. To learn more about the specifics of February weather, check out Changsha weather in February.

August and March present markedly different weather experiences. In August, temperatures soar, with minimums around 23°C (74°F) and average highs reaching up to 33°C (91°F), creating a hot and humid environment with a staggering precipitation of 197 mm (7.7 in) over 13 days. In contrast, March offers a much cooler atmosphere, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 18°C (65°F) and a significantly lower rainfall of 71 mm (2.8 in) over just 9 days, accompanied by a humidity level of 79%. For more detailed information, check out Changsha weather in March.

August and April present stark contrasts in weather patterns. In August, temperatures soar, with averages around 28°C (83°F) and highs reaching up to 33°C (91°F), while the air is heavily laden with humidity at 92%. This month is also characterized by significant rainfall, with approximately 197 mm (7.7 in) spread over 13 days. In contrast, April offers a much milder climate; temperatures range from a low of 6°C (43°F) to an average of 14°C (57°F) and a maximum of 22°C (72°F). Rainfall is lighter, totaling 81 mm (3.2 in) over just 9 days, and humidity is slightly lower at 86%. For more details on April weather, you can visit Changsha weather in April.

August and May present notably different weather patterns. In August, temperatures soar with a minimum of 23°C (74°F) and an average of 28°C (83°F), peaking at a high of 33°C (91°F). This month is also significantly wetter, with 197 mm (7.7 in) of precipitation over 13 days and high humidity levels at 92%. In contrast, May is much cooler, featuring a minimum temperature of 13°C (56°F) and an average of 19°C (66°F), with a maximum of 26°C (79°F). Precipitation is lighter in May at 125 mm (4.9 in) across 9 days, accompanied by slightly lower humidity at 87%. For more detailed insights on May weather, visit Changsha weather in May.

When comparing the weather in August and June, August tends to be hotter and more humid. The average temperature in August reaches 28°C (83°F) with maximums hitting 33°C (91°F), while June has a lower average of 23°C (74°F) and a maximum of 31°C (88°F). Additionally, August experiences significantly more rainfall, totaling 197 mm (7.7 in) over 13 days, compared to June's 134 mm (5.3 in) over just 7 days. Humidity is also slightly higher in August at 92%, versus June’s 90%. For more details on June's weather patterns, visit Changsha weather in June.

When comparing the weather in August to that of July, one can observe a few key differences. August features slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 28°C (83°F), while July has a minimum of 21°C (70°F) and an average of 27°C (81°F). Both months reach a maximum temperature of 33°C (91°F in August and 93°F in July), indicating that the heat remains consistent. In terms of precipitation, August experiences 197 mm (7.7 in) of rain over 13 days, while July sees slightly more with 210 mm (8.3 in), also over 13 days. Additionally, humidity levels are marginally lower in August at 92% compared to July's 95%. For further details on July's weather, you can refer to Changsha weather in July.

In August, the weather tends to be quite warm and humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (91°F) and an average of 28°C (83°F). The month experiences significant rainfall, totaling 197 mm (7.7 in) over 13 days, and humidity levels are quite high at around 92%. In contrast, September brings a noticeable drop in both temperature and humidity, with minimum temperatures of 19°C (66°F), an average of 25°C (77°F), and maximums reaching 31°C (88°F). Precipitation levels decrease to 138 mm (5.4 in) over just 10 days, and humidity levels also drop to a more comfortable 79%. For more details, you can check Changsha weather in September.

August and October present distinct contrasts in weather conditions. In August, temperatures range significantly, with minimums at a balmy 23°C (74°F) and maximums peaking at 33°C (91°F), making it the warmest month. The high humidity of 92% and substantial precipitation of 197 mm (7.7 in) over 13 days contribute to a muggy atmosphere. In contrast, October offers a much cooler experience, with temperatures dropping to a minimum of 13°C (56°F) and an average of 20°C (68°F). It also sees a decline in precipitation, with only 80 mm (3.2 in) falling over 8 days, coupled with lower humidity at 76%. For more detailed insights, you can check Changsha weather in October.

August and November offer contrasting weather experiences. In August, temperatures peak with an average of 28°C (83°F), reaching highs of 33°C (91°F), alongside high humidity levels at 92%. The month also sees significant rainfall, with 197 mm (7.7 in) over 13 days, creating a tropical atmosphere. In comparison, November presents cooler temperatures, with an average of 14°C (58°F) and a maximum of only 22°C (71°F). Precipitation drops to 69 mm (2.7 in) over just 7 days, and humidity levels decrease to 77%, resulting in a much drier and more comfortable climate. For more detailed insights, you can refer to Changsha weather in November.

The weather in August is characterized by warm temperatures, with daily averages around 28°C (83°F) and peaks reaching up to 33°C (91°F), accompanied by high humidity levels of 92%. In contrast, December brings a significant drop in temperature, averaging just 8°C (47°F) with maximums of only 17°C (63°F), and even dipping to a chilly -4°C (25°F) at night. Additionally, precipitation is much lower in December, totaling 61 mm (2.4 in) over 8 days compared to the substantial 197 mm (7.7 in) across 13 days in August. For more detailed information, check out Changsha weather in December.

Compare Changsha's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Changsha

As August descends upon Changsha, it's characterized by sweltering temperatures and high humidity, offering a stark contrast to other months of the year. With averages soaring to nearly 28°C and maximums peaking at 33°C, the heat is palpable. This month also witnesses substantial precipitation, with frequent rain showers adding to the tropical climate, making it one of the wettest months. While the humidity swells to around 92%, it enhances the already intense heat, creating a muggy atmosphere. For a detailed look at how Changsha's weather shifts throughout the year, visit Changsha Climate.