Question 1

How much rain does Guangzhou get during summer?

Accepted Answer

Guangzhou receives substantial rainfall during summer, with the 2024 summer season (June to August) recording a total of 1,222.7mm (48.1 inches) of precipitation across the three months.

The summer rainfall in Guangzhou is distributed unevenly across the season. August 2024 was the wettest summer month with 466.6mm (18.4 inches), followed closely by June at 456.7mm (18.0 inches). July brought slightly less rainfall at 299.4mm (11.8 inches), though still significant by most standards.

This summer rainfall accounts for approximately 41% of Guangzhou's total annual precipitation of 2,964.5mm. The heavy summer rains coincide with high humidity levels averaging 85.3% and warm temperatures around 28.4°C (83.1°F). July 2024 saw the peak temperature reaching 37.7°C.

For visitors planning trips to Guangzhou during summer, the frequent rainfall means carrying an umbrella is essential. The combination of heat and humidity creates a tropical feel, though sudden afternoon thunderstorms are common and typically pass quickly. Indoor activities and covered attractions are advisable backup plans during this season. The rainy conditions do bring the benefit of lush green landscapes throughout the city.

Question 2

What was the hottest day in Guangzhou in 2024?

Accepted Answer

The hottest day in Guangzhou in 2024 was July 25, when temperatures soared to a scorching 37.7°C (99.9°F). This was the peak of an intense heat wave that gripped the city during late July.

On this record-setting day, even nighttime temperatures remained extremely warm, with the minimum only dropping to 28.4°C (83.1°F). The average temperature for July 25, 2024 was 32.6°C (90.7°F), making it an exceptionally uncomfortable day throughout.

Guangzhou experienced 6 days with temperatures reaching or exceeding 35°C (95°F) during 2024, with most occurring in late July and early August. The five hottest days of the year were concentrated in this period: July 25 (37.7°C), August 5 (36.5°C), July 26 (36.0°C), August 9 (35.6°C), and July 24 (35.4°C).

For context, summer 2024 in Guangzhou (June through August) saw average daily highs of 32.1°C (89.8°F), while the annual average daily high was 27.6°C (81.6°F). The city recorded 155 days with temperatures at or above 30°C (86°F), highlighting its subtropical climate and prolonged hot season.

Visitors planning summer trips to Guangzhou should be prepared for extreme heat in late July and early August, when temperatures can approach 38°C (100°F).

Question 3

What is the weather like in Guangzhou in autumn?

Accepted Answer

Guangzhou experiences mild and pleasant autumn weather from September through November, with average temperatures of 24.9°C (76.8°F) across the 2024 season. This makes autumn one of the most comfortable times to visit the city.

Temperatures gradually cool throughout the season. September 2024 remained warm at 27.8°C (82.0°F), while October dropped to 25.2°C (77.4°F), and November averaged 21.6°C (70.9°F). The temperature difference from early to late autumn was 6.2°C (11.2°F), showing a steady transition into cooler weather.

Rainfall varies significantly during Guangzhou's autumn months. September 2024 was quite wet with 338.3mm (13.3 inches) of precipitation, as the tail end of monsoon season lingered. October was remarkably dry with just 13.8mm (0.5 inches), making it ideal for outdoor activities. November saw moderate rainfall at 70.4mm (2.8 inches).

October stands out as the best autumn month in Guangzhou for visitors. The 2024 data showed the highest sunshine hours at 269.3 hours, the lowest humidity at 63.8%, and minimal rainfall. Daytime highs reached up to 33.0°C (91.4°F) while evenings cooled to a comfortable 17.4°C (63.3°F).

The total autumn sunshine of 714.2 hours in 2024 translates to roughly 7.8 hours of daily sunshine on average, providing excellent conditions for sightseeing and outdoor exploration in Guangzhou.

Question 4

Which month has the most sunshine in Guangzhou?

Accepted Answer

July is the sunniest month in Guangzhou, recording 281.9 hours of sunshine in 2024. This translates to an average of about 9.1 hours of bright sunshine per day, making it ideal for visitors seeking sunny weather in southern China.

The summer months dominate the sunshine rankings in Guangzhou. Following July, October came in second with 269.3 hours, while September claimed third place with 252.9 hours. Together, the summer period from June to August accumulated 740.2 hours of sunshine, averaging 246.7 hours per month.

While July offers the most sunlight, visitors should note that it also brings warm temperatures averaging 28.9°C (84.0°F) and moderate rainfall of 299.4mm. For those preferring sunshine with milder conditions, October presents an excellent alternative—it delivers 269.3 hours of sunshine with comfortable temperatures of 25.2°C (77.4°F) and minimal precipitation of just 13.8mm.

In contrast, February is Guangzhou's least sunny month with only 104.8 hours of sunshine. The city receives a total of 2,363.7 hours of sunshine annually, averaging 197.0 hours per month. This abundant sunshine throughout the year reflects Guangzhou's subtropical climate, where even winter months see reasonable amounts of daylight despite the shorter days.

Question 5

How cold does Guangzhou get in winter?

Accepted Answer

Guangzhou experiences relatively mild winters compared to northern China, with temperatures rarely dropping below freezing. During January and February 2024, the average temperature was 16.2°C (61.1°F), making it one of the warmer winter destinations in the country.

Nighttime lows in Guangzhou during winter 2024 averaged 12.0°C (53.6°F), though cold snaps brought brief periods of chillier weather. The coldest temperature recorded was 2.1°C (35.8°F) on January 24, 2024. Out of 60 winter days, only 4 days saw minimum temperatures drop below 5°C (41°F), while 22 days had lows below 10°C (50°F).

Daytime conditions remain comfortable throughout winter. Average daily highs reached 21.2°C (70.1°F), with some February days climbing to 30.6°C (87.1°F) as early spring warmth arrived. The humidity averaged 72.6%, which can make cooler days feel slightly colder.

Visitors to Guangzhou in winter should pack layers for the temperature variation between warm afternoons and cooler evenings. While heavy winter coats are rarely necessary, a light jacket is recommended for early mornings and late nights during January, the coldest month.

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FAQ

How much rain does Guangzhou get during summer?

What was the hottest day in Guangzhou in 2024?

What is the weather like in Guangzhou in autumn?

Which month has the most sunshine in Guangzhou?

How cold does Guangzhou get in winter?