August Weather in Changsha, China

Last updated: August 21, 2025

August in Changsha, China is characterized by sweltering temperatures, with highs reaching up to 39°C (102°F) and an average warmth of 30°C (86°F). The nights offer a slight reprieve, as temperatures drop to a minimum of 22°C (71°F). This month sees a total precipitation of 99 mm (3.9 in) over approximately 12 days, contributing to a distinctly humid atmosphere at around 85%. Travelers should prepare for both the heat and sporadic rain, making it essential to stay hydrated and equipped for unexpected showers.

August Temperature in Changsha

In August, Changsha experiences its peak summer warmth, with minimum temperatures hovering around 22°C (71°F) and an average of 30°C (86°F). This month typically sees highs reaching 39°C (102°F), mirroring the soaring temperatures of July. As the summer progresses, the city feels the full intensity of the heat, making it one of the hottest times of the year. The rising temperatures reflect a clear seasonal trend, transitioning from the pleasantly warm days of spring to the sweltering embrace of late summer. Despite the heat, humidity levels rise, contributing to an often sticky atmosphere that characterizes life in Changsha during this vibrant month.

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).
JanFebMarAprMayJunJulAugSepOctNovDec434757657380858679675847
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

In August, Changsha experiences a noticeable dip in precipitation, with an average of 99 mm (3.9 in) spread across 12 days of rain. This marks a significant contrast to the torrential downpours of previous months, especially June, which recorded the highest rainfall at 260 mm (10.2 in). The wettest months, from March to July, contribute to a lush landscape, but as summer begins to wane, August offers a reprieve, hinting at the onset of fall. Despite the reduction, the city's humidity remains, creating a warm, steamy atmosphere that characterizes the end of summer. As September approaches, expectations are set for even lower rainfall, but August's rain still plays a crucial role in sustaining the greenery that defines Changsha.

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.
JanFebMarAprMayJunJulAugSepOctNovDec67952131872322602049975535652
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 experiences a humidity level of 85%, maintaining the high moisture that characterizes the summer months. As the year progresses, a noticeable trend emerges: humidity peaks in July at 89%, before slightly tapering off in August. The pattern reveals a gradual increase from the more temperate winter months, where humidity averages around 69% in January, rising steadily through the spring and summer. As autumn approaches in September, a sharp decline to 66% signals a transition towards a drier climate. This rhythm of humidity illustrates Changsha’s distinct seasonal shifts, with August perfectly situated as a peak of summer's sultriness, creating a vivid tapestry of climatic changes throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Changsha

In August, Changsha experiences an extreme UV Index of 12, maintaining the high levels seen in July. This is part of a noticeable trend, with the UV Index steadily increasing from 6 in January to a peak of 12 during the summer months, indicating a growing need for sun protection. With a burn time as brief as 10 minutes, it's essential for residents and visitors alike to stay vigilant against the sun’s rays. After August, the Index starts to decline, shifting back to very high levels in September. For more information on UV levels and safety guidelines, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec678101111121210975
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

In August, Changsha basks in an impressive 314 hours of sunshine, marking the peak of the city's vibrant summer. This golden month stands out elegantly, following a gradual rise in daylight that started in January with a mere 140 hours. As spring unfolds, sunshine hours ascend, culminating in a radiant summer where July also shines brightly with 300 hours. The progression reveals a clear trend: the city enjoys increasingly longer sunny days as the year progresses, peaking in the late summer before giving way to autumn's gentle embrace in September, which still boasts a healthy 253 hours. This abundance of sunshine not only bathes Changsha in warmth but also highlights the region's dynamic seasonal shifts.

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.
JanFebMarAprMayJunJulAugSepOctNovDec140h183h191h204h261h260h300h314h253h198h188h188h
Data source: Changsha August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsha During August

In Changsha during August, the likelihood of enjoying sunny weather stands at 33%, showcasing a modest increase compared to the less bright days of April and June. While this summer month does not reach the sunny heights of September, which boasts a 61% chance, it does present a sunnier disposition compared to the rainier May and July. This trend highlights a shift towards more favorable weather as summer progresses, even if sunshine remains somewhat elusive. Overall, those planning to soak up the sun in August may find themselves rewarded at least a third of the time, making it a potentially delightful time to experience the warmth of Changsha's summer skies.

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.
JanFebMarAprMayJunJulAugSepOctNovDec51%36%20%11%23%19%37%33%61%32%51%56%
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 month of August enjoys a robust 13 hours of daylight, mirroring the preceding summer months of June and July. This peak in daylight duration reflects a gradual build-up starting from the shorter days of January and February, which offer only 10 and 11 hours, respectively. As spring unfolds into summer, daylight stretches further, reaching its zenith in August before beginning a gentle decline in September. The gradual transition from longer to shorter days not only shapes the rhythm of life in Changsha but also highlights the striking seasonal contrasts characteristic of this vibrant region. Overall, August stands as a testament to the lingering warmth of summer, inviting both residents and visitors to revel in the abundant sunshine.

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 33m11h 11m11h 59m12h 50m13h 32m13h 53m13h 42m13h 5m12h 17m11h 27m10h 44m10h 22m
Data source: Changsha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Changsha

In August, the average wind speed in Changsha, China drops slightly to 2.2 m/s (5 mph), marking one of the calmest months of the year. This gentle breeze contrasts with the peak of October, where speeds rise to 3.4 m/s (8 mph), signaling the arrival of cooler autumn air. Overall, the month-to-month variability reveals a subtle yet discernible trend: while the summer months generally enjoy light winds hovering around the 5-6 mph range, the fall ushers in stronger gusts. Despite this mild August calm, Changsha's diverse seasonal winds contribute to a vibrant atmospheric tapestry, enhancing the city's unique charm.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.32.72.42.52.42.62.2 m/s2.43.42.32.4
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 stark contrasts in weather patterns. In August, temperatures soar with a minimum of 22°C (71°F), averaging 30°C (86°F), and peaking at a sweltering 39°C (102°F). The month is also marked by high humidity at 85% and significant rainfall, totaling 99 mm (3.9 in) over approximately 12 days. In stark contrast, January experiences much cooler temperatures, with minimums dipping to -5°C (24°F), averaging 6°C (44°F), and reaching a maximum of 20°C (68°F). Precipitation is lighter at 67 mm (2.6 in) over 9 days, accompanied by lower humidity levels of 69%. For more specific details on the weather in January, visit Changsha weather in January.

August and February present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 22°C (71°F) and an average of 30°C (86°F), peaking at a sweltering 39°C (102°F). This month is characterized by high humidity at 85% and considerable precipitation, experiencing rain on 12 days, totaling 99 mm (3.9 in). Conversely, February brings a much cooler climate, where temperatures drop significantly with a minimum of -3°C (26°F) and an average of 9°C (48°F), reaching a maximum of 26°C (79°F). Precipitation is similar, with 95 mm (3.7 in) of rain over 12 days, but humidity is lower at 71%. For more detailed information about the weather during this month, check out Changsha weather in February.

In August, Changsha experiences hot and humid weather, with average temperatures around 30°C (86°F) and maximums reaching up to 39°C (102°F). The month sees about 99 mm (3.9 in) of precipitation over approximately 12 rainy days, contributing to the high humidity levels that hover around 85%. In contrast, March offers a much cooler climate, with average temperatures of 14°C (57°F) and maximums peaking at 31°C (88°F). However, it is also wetter, receiving 213 mm (8.4 in) of rain spread across 19 days, while humidity remains relatively high at 83%. For more detailed insights into March weather, you can check Changsha weather in March.

When comparing the weather in April and August, notable differences emerge. August typically features much warmer temperatures, with averages around 30°C (86°F) and highs reaching up to 39°C (102°F). In contrast, April’s temperatures are milder, with average highs of 18°C (65°F) and maximums of 32°C (91°F). Precipitation is also a key factor, as April receives significantly more rain at 187 mm (7.3 in) over 16 days, compared to August's 99 mm (3.9 in) over 12 days. Interestingly, humidity levels remain similar, hovering around 85% in August and slightly higher at 86% in April. For more detailed insights, check out Changsha weather in April.

When comparing the weather in May and August, one can see distinct differences in temperature and precipitation patterns. In August, temperatures typically range from a minimum of 22°C (71°F) to an average of 30°C (86°F), peaking at a scorching 39°C (102°F). Conversely, May features milder temperatures, with a minimum of 12°C (54°F), an average of 23°C (74°F), and a maximum of 35°C (94°F).

However, May experiences significantly higher rainfall, with 232 mm (9.1 in) over 17 days, compared to August's 99 mm (3.9 in) spread across 12 days. Both months share high humidity levels of 85%, making the air feel warm and sticky. For more specific insights into May’s weather, you can check Changsha weather in May.

In comparing the weather between August and June, June tends to be slightly cooler overall, with average temperatures ranging between 17°C (63°F) and 35°C (96°F), while August experiences higher temperatures, from a minimum of 22°C (71°F) to a maximum of 39°C (102°F). Despite August's warmer conditions, it has less rainfall, totaling 99 mm (3.9 in) over 12 days, compared to June’s significant 260 mm (10.2 in) spread over 18 days. Both months share high humidity levels of 85%, contributing to their muggy feel. For more detailed insights about June's weather, you can check out Changsha weather in June.

In comparing the weather between July and August, August experiences slightly higher average temperatures, with a minimum of 22°C (71°F) and an average of 30°C (86°F), compared to July's minimum of 21°C (69°F) and average of 29°C (85°F). Both months have similar maximum temperatures, with July peaking at 39°C (103°F) and August at 39°C (102°F). However, July is considerably wetter, receiving 204 mm (8.0 in) of precipitation over 13 days, while August sees just 99 mm (3.9 in) over 12 days. Humidity levels are also higher in July at 89%, compared to 85% in August. For more details on July's weather, check out Changsha weather in July.

August typically experiences higher temperatures, with minimums around 22°C (71°F) and average highs reaching up to 30°C (86°F). The month is marked by significant humidity at 85% and a total precipitation of 99 mm (3.9 in) over 12 days, making it one of the wetter months of the year. In contrast, September brings slightly cooler temperatures, with minimums dropping to 17°C (63°F) and an average temperature of 26°C (80°F). Precipitation decreases to 75 mm (3.0 in) over 10 days, and humidity also declines to 66%, resulting in more comfortable weather for outdoor activities. For a detailed look at September's weather in Changsha, you can visit Changsha weather in September.

August weather in Changsha is characterized by its warmth and humidity, with average temperatures reaching around 30°C (86°F) and a maximum of 39°C (102°F). This month also sees significant rainfall, totaling 99 mm (3.9 inches) over about 12 days, along with high humidity levels of 85%. In contrast, October brings cooler temperatures, with averages dropping to 19°C (67°F) and a minimum of 11°C (52°F), while still allowing for a maximum of 38°C (100°F). The precipitation in October decreases to 53 mm (2.1 inches) over 10 days, and the humidity falls to a more comfortable 68%. For more detailed information, you can check Changsha weather in October.

August and November present contrasting weather patterns. In August, temperatures soar with a minimum of 22°C (71°F) and reaching as high as 39°C (102°F), creating a hot and humid atmosphere with an average of 30°C (86°F). This month also experiences significant rainfall, with 99 mm (3.9 in) of precipitation over 12 days, contributing to high humidity levels of 85%. In stark contrast, November brings much cooler temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 30°C (85°F), with an average of 14°C (58°F). Precipitation is lighter in November, totaling 56 mm (2.2 in) over just 9 days and with a relative humidity of 77%. For more details about the weather in November, you can check Changsha weather in November.

August and December present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 22°C (71°F), averaging 30°C (86°F), and peaking at a sweltering 39°C (102°F). This heat is accompanied by high humidity levels, reaching 85%, and considerable rainfall, with precipitation occurring on 12 days totaling 99 mm (3.9 in). In contrast, December brings a refreshing chill, with temperatures dipping to a minimum of -3°C (26°F) and averaging 8°C (47°F), while temperatures peak at a much milder 20°C (68°F). The month sees less rainfall, with 52 mm (2.0 in) spread over just 8 days, and humidity levels slightly lower at 78%. For more information on December weather, visit Changsha weather in December.

Compare Changsha's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Changsha

As August rolls into Changsha, the weather transforms into a sweltering experience, characterized by high humidity levels that can reach up to 85%. Unlike the milder months earlier in the year, this month showcases soaring temperatures, with highs often nudging towards 39°C (102°F) and a balmy average of 30°C (86°F). Alongside the heat, expect frequent rainfall, with precipitation occurring on about 12 days and accumulating to nearly 99 mm (3.9 in). The combination of heat and humidity can make the atmosphere feel oppressively warm, distinguishing August as one of the most intense months weather-wise. For more detailed insights into what to expect throughout the year, visit Changsha Climate.