August Weather in Guangzhou, China

Last updated: August 21, 2025

In August, Guangzhou, China experiences a sweltering climate marked by a maximum temperature reaching up to 38°C (101°F), while the average temperature hovers around a comfortable 29°C (85°F). The month is characterized by high humidity levels at 88%, creating a sticky atmosphere. Rainfall is frequent, with 292 mm (11.5 in) of precipitation spread over 24 days, contributing to the lush greenery of the region. Visitors are advised to prepare for both the heat and the downpours, ensuring a comfortable stay in this vibrant city.

August Temperature in Guangzhou

August in Guangzhou, China, is characterized by sultry heat, typical of summer's peak. With minimum temperatures hovering around 25°C (77°F) and averages at a steamy 29°C (85°F), the city is often drenched in the warmth of the season. Daytime highs can reach an impressive 38°C (101°F), positioning August as one of the hottest months of the year. This heat draws in visitors who flock to the city for its vibrant culture and outdoor activities, but it also underscores the need for hydration and shade. As the month winds down, temperatures begin a gradual decline, hinting at the cooler autumn months ahead.

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

The chart illustrates August temperature patterns in Guangzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guangzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616270748184868584777162
Data source: Temperature data for Guangzhou 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 Guangzhou

August in Guangzhou is characterized by a significant uptick in precipitation, with 292 mm (11.5 in) of rain falling over 24 days. This month stands out as one of the wettest of the year, marked by the peak of the monsoon season. Following a notably rainy June, where 361 mm of rain was recorded, August's precipitation showcases a slight decrease but remains substantial. The frequency of rainy days also increases in August compared to previous months, reflecting the city’s humid subtropical climate. As the summer heat lingers, these persistent rains play a crucial role in refreshing the lush landscape, making it a vibrant time in Guangzhou, even as the skies often deliver their heavy downpours.

August Precipitation Trends in Guangzhou

The chart displays monthly precipitation patterns in Guangzhou, 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 Guangzhou, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2762110149222361188292199982119
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Guangzhou

In August, Guangzhou, China, experiences high humidity levels, peaking at 88%, a trend that reflects the city's sultry summer climate. This month shares its humidity with July, indicating a persistent tropical environment that can make the heat feel even more intense. Overall, the city sees a gradual rise in humidity beginning in February, culminating in these summer months, before tapering off in September and returning to more moderate levels in fall. The variation throughout the year showcases a clear seasonal pattern, with the warmest months consistently marked by elevated humidity, contributing to Guangzhou's reputation for a stifling summer atmosphere.

August Average Humidity in Guangzhou

This chart illustrates the average monthly humidity levels in Guangzhou, 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 Guangzhou 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Guangzhou

In August, Guangzhou, China, experiences a UV Index of 12, categorized as extreme, which means sun safety is paramount as the burn time is a mere 10 minutes. This peak in UV levels is part of a consistent trend seen from February through September, where indices remain at extreme levels, urging residents and visitors alike to take precautions against harmful sun exposure. Interestingly, while the temperatures remain high, the index slightly dips from the peak of 13, observed in the previous months. It serves as a reminder that while summer may be winding down, vigilance against UV radiation remains crucial. For more detailed information, you can check the Guangzhou UV Index.

Maximum UV Index Levels in Guangzhou for August

The chart shows the monthly maximum UV Index (UVI) for Guangzhou 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 Guangzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111213131312111097
Data source: Guangzhou 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 Guangzhou

August in Guangzhou basks in the warmth of 274 hours of glorious sunshine, positioning it as a high point in the city's summer months. This trend follows the sun-drenched days of July, which leads the year with a robust 301 hours. The sunshine begins to wane slightly in September with 272 hours, yet it still reflects the vibrant summer spirit. As the year progresses, the sunny hours begin to taper off, with October and November bringing 268 hours and 242 hours, respectively. Overall, the summer months—May through July—reveal a clear pattern of abundant sunlight, creating an inviting atmosphere perfect for outdoor adventures in this bustling city.

Monthly Sunshine Duration in Guangzhou: August Highlighted

The August sunshine duration represents the total number of hours Guangzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h215h207h213h274h255h301h274h272h268h242h252h
Data source: Guangzhou August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Guangzhou During August

In Guangzhou, China, the likelihood of sunny weather takes a notable dip in August, with a mere 15% chance of sunshine. This trend marks a significant decline from the winter months, such as January and November, where sunny days are more promising at around 59% and 60% respectively. As summer peaks, the clouds tend to dominate, following a pattern that sees July also struggling with just a 31% chance of sun. Interestingly, the chances do begin to recover in September to 43%, hinting at the tantalizing return of clear skies as the oppressive heat of summer starts to wane.

Percentage of Sunny Days in August in Guangzhou

The chart illustrates the percentage of sunny days in Guangzhou 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 Guangzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%56%28%30%28%10%31%15%43%34%60%50%
Data source: Guangzhou August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Guangzhou in August

In Guangzhou, China, the daylight duration experiences a dynamic ebb and flow throughout the year. Starting from a modest 10 hours in January, the days gradually lengthen, peaking at 13 hours by mid-summer in May, June, and July. As August arrives, the daylight retracts slightly to 12 hours, reflecting a gentle transition towards fall. This trend continues into September, before gradually shortening once again through the autumn months of October and November, ultimately returning to 10 hours by December. This rhythm of daylight captivates, highlighting how Guangzhou's vibrant seasons influence everyday life and activities throughout the year.

Average Daylight Hours in Guangzhou for August

The chart illustrates the variation in daylight duration in Guangzhou throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 53m11h 22m12h 1m12h 40m13h 13m13h 30m13h 22m12h 53m12h 15m11h 35m11h 1m10h 44m
Data source: Guangzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Guangzhou

In Guangzhou, August marks a notable dip in wind activity, with an average wind speed of 2.0 m/s (approximately 5 mph), making it one of the calmest months of the year. This shift is part of a clear trend observed throughout the summer, where wind speeds steadily decrease from the earlier months, reaching their lowest in August just before the refreshing breezes of autumn return. Interestingly, September continues this trend with an even lower average wind speed of 1.6 m/s (4 mph), emphasizing the typically hushed atmosphere of late summer in the region. As the seasons transition, the winds regain their strength in October, highlighting the seasonal ebb and flow that characterizes Guangzhou's unique climate.

Average August Wind Speed in Guangzhou

The chart displays monthly wind speed patterns in Guangzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.42.82.62.72.52.32.0 m/s1.63.73.13.1
Data source: Guangzhou August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Guangzhou Compares to Other Months

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

August and January present strikingly contrasting weather conditions. In August, temperatures soar with a minimum of 25°C (77°F) and soaring to a maximum of 38°C (101°F), complemented by high humidity levels of 88%. This month also experiences significant rainfall, with 292 mm (11.5 in) occurring over 24 days, making it one of the wettest periods of the year. In contrast, January is much cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). Rainfall is minimal during this month, totaling only 26 mm (1.0 in) across just 3 days, and the humidity level is considerably lower at 64%. For more detailed information, you can check Guangzhou weather in January.

August and February present contrasting weather conditions. In August, temperatures soar with a minimum of 25°C (77°F) and an average high of 38°C (101°F), accompanied by high humidity levels at 88%. This month experiences considerable rainfall, totaling 292 mm (11.5 in) over 24 days. In stark contrast, February features milder temperatures, with a minimum of 5°C (41°F) and an average of 17°C (62°F), peaking at 30°C (86°F). Precipitation is significantly lower in February, with just 62 mm (2.4 in) over 8 days and a humidity level of 68%. For more detailed information on February weather, you can explore Guangzhou weather in February.

August and March present starkly contrasting weather conditions. In August, temperatures soar with a minimum of 25°C (77°F), averaging around 29°C (85°F), and peaking at a sweltering 38°C (101°F). The month is characterized by high humidity levels at 88% and significant rainfall, accumulating 292 mm (11.5 in) over 24 days. Conversely, March offers a much cooler climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 32°C (90°F), averaging 21°C (70°F). The rainfall is notably less, totaling 110 mm (4.3 in) over 14 days, accompanied by lower humidity at 73%. For a more detailed look at the weather during this month, check out Guangzhou weather in March.

In comparing the weather of August and April, it is clear that August is significantly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a scorching maximum of 38°C (101°F) and an average of 29°C (85°F). In contrast, April features much cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 34°C (93°F), averaging around 23°C (74°F). August also experiences a higher level of precipitation, receiving 292 mm (11.5 in) over 24 days, compared to April's 148 mm (5.8 in) over just 14 days. Additionally, the humidity in August is notably higher at 88%, while April maintains a more comfortable 71%. For more detailed insights on April's weather, you can visit Guangzhou weather in April.

August and May present a stark contrast in weather conditions. In August, temperatures soar with a minimum of 25°C (77°F) and an average high of 29°C (85°F), peaking at a sweltering 38°C (101°F). This month is also characterized by high humidity at 88% and significant rainfall, with 292 mm (11.5 in) of precipitation spread across 24 days. In comparison, May offers more moderate weather, starting with a lower minimum temperature of 15°C (60°F) and an average high of 27°C (81°F), reaching a maximum of 36°C (97°F). Precipitation is also less intense in May, with 222 mm (8.7 in) over 20 days and humidity levels at 79%. To explore more about the weather trends in May, visit Guangzhou weather in May.

In comparing the weather of August and June, we see some distinct differences. August tends to be slightly warmer, with a minimum temperature of 25°C (77°F) compared to June's 23°C (74°F). Both months have the same average temperature of 29°C (85°F), but August peaks at a hotter maximum of 38°C (101°F) versus June's maximum of 36°C (98°F). Rainfall is more apparent in August, with 292 mm (11.5 in) of precipitation over 24 days, while June experiences a slightly higher total of 361 mm (14.2 in) over just 23 days. This increased precipitation contributes to a higher humidity level in August at 88%, as opposed to June's 77%. For more detailed information about June weather, check out Guangzhou weather in June.

In comparing the weather of August and July, both months exhibit high temperatures with minimal variation; however, August tends to be slightly cooler on average, recording a mean temperature of 29°C (85°F) compared to July’s 30°C (86°F). While both months experience relatively high humidity at 88%, August sees a marked increase in precipitation, with 292 mm (11.5 in) spread over 24 days, compared to July’s 188 mm (7.4 in) over 22 days. This increase in rainfall in August creates a contrast with July’s slightly drier conditions. For more detailed information on July's weather, you can refer to Guangzhou weather in July.

August and September present distinct weather patterns, with August being hotter and more humid. In August, temperatures range from a minimum of 25°C (77°F) to a scorching maximum of 38°C (101°F), with an average temperature of 29°C (85°F). The month also experiences significant rainfall, totaling 292 mm (11.5 in) over 24 days, coupled with high humidity levels of 88%.

In contrast, September sees a slight decrease in temperatures, with a minimum of 21°C (70°F), an average of 29°C (84°F), and a maximum of 36°C (97°F). Precipitation also drops to 199 mm (7.8 in) over 21 days, and humidity levels lower to 75%. Overall, while both months can be warm and wet, September offers a more comfortable climate compared to the hotter and more humid August. For more details on September weather in Guangzhou, visit Guangzhou weather in September.

August and October present distinct contrasts in weather patterns. In August, temperatures are significantly higher, with minimums around 25°C (77°F) and maximums soaring to 38°C (101°F), while the average temperature is a warm 29°C (85°F). This month also experiences heavy rainfall, totaling 292 mm (11.5 in) over 24 days, accompanied by high humidity at 88%. In contrast, October brings a much cooler atmosphere, with minimum temperatures dropping to 17°C (63°F) and maximums reaching 35°C (95°F), while the average temperature settles at a comfortable 25°C (78°F). Rainfall decreases notably to 97 mm (3.8 in), spread across just 9 days, and humidity levels fall to 65%. For more details on what to expect, check Guangzhou weather in October.

In August, the weather is characterized by high temperatures, with average lows around 25°C (77°F) and peaks reaching up to 38°C (101°F), contributing to a steamy atmosphere with an average humidity of 88%. This month also sees frequent rainfall, with 292 mm (11.5 in) of precipitation spread across 24 days. In stark contrast, November offers a more moderate climate, where temperatures range from a minimum of 12°C (53°F) to a comfortable average of 22°C (71°F) and a maximum of 31°C (88°F). Additionally, November experiences significantly less rainfall, totaling only 21 mm (0.8 in) over just 5 days, along with lower humidity at 64%. For more details, you can check Guangzhou weather in November.

In August, the weather is characterized by high temperatures with a minimum of 25°C (77°F) and an average of 29°C (85°F), peaking at a scorching 38°C (101°F). The month sees significant rainfall, with 292 mm (11.5 in) of precipitation over 24 days and high humidity levels at 88%. In contrast, December brings much cooler temperatures, with a minimum of 7°C (45°F) and an average of 17°C (63°F), reaching a maximum of 29°C (85°F). Rainfall is minimal in December, totaling just 19 mm (0.7 in) over 3 days, and humidity drops to 69%. For a detailed look at what to expect during this month, you can check Guangzhou weather in December.

Compare Guangzhou's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Guangzhou

August in Guangzhou is characterized by high humidity and intense heat, making it one of the hottest months of the year. With average temperatures hovering around a sweltering 29°C, the month experiences a notable increase in both precipitation and cloud cover, resulting in more frequent rain showers compared to other months. This combination of high temperatures and elevated humidity creates a uniquely steamy atmosphere, prompting both locals and visitors to seek respite from the weather. For those planning a trip, understanding the August climate can make all the difference—check out Guangzhou Climate for more insights.