Guangzhou, China skyline

Guangzhou Weather in August

The usual August conditions in Guangzhou, China, drawn from 2006–2025 records.

Guangzhou in August: highs near 31.7°C (89.1°F), lows near 25.6°C (78.1°F), roughly 23 rainy days adding up to 289 mm, and 9.3 hours of sunshine on an average day.

Avg high

31.7°C (89.1°F)

Avg low

25.6°C (78.1°F)

Rainfall

289 mm (11.4 in)

Rainy days

23 days

Sunshine

9.3 h / day

Humidity

84%

August vs the rest of the year

Only 1 month is warmer than August in Guangzhou; for rain it is the 3rd wettest month.

MonthAvg highvs AugustRainRainy days
January18.9°C (66°F)−12.8°C (−23°F)47 mm7
February20.8°C (69.4°F)−10.9°C (−19.6°F)62 mm9
March23.6°C (74.5°F)−8.1°C (−14.6°F)133 mm15
April26.9°C (80.4°F)−4.8°C (−8.6°F)234 mm17
May29.4°C (84.9°F)−2.3°C (−4.1°F)339 mm22
June31°C (87.8°F)−0.7°C (−1.3°F)407 mm25
July32.2°C (90°F)+0.5°C (+0.9°F)239 mm22
August31.7°C (89.1°F)—289 mm23
September31.1°C (88°F)−0.6°C (−1.1°F)206 mm17
October28.6°C (83.5°F)−3.1°C (−5.6°F)85 mm7
November24.7°C (76.5°F)−7°C (−12.6°F)51 mm7
December19.9°C (67.8°F)−11.8°C (−21.2°F)38 mm5

What August feels like in Guangzhou

August falls in Guangzhou's wet season — the rainfall numbers rise clearly above the dry months. Afternoons are hot, so sightseeing works best in the morning or evening. Even after dark it stays hot and sultry. The air is muggy, so it feels hotter than the thermometer suggests.

Rain in Guangzhou in August

August is persistently wet here: some rain falls on most days. Rainy days are intense, averaging about 12.6 mm (0.5 in) — downpours rather than drizzle. The yearly figure is similar, around 12.1 mm per wet day. It is among the three wettest months of the year.

Daylight and sunshine in August

On 15 August the sun rises at about 6:03 am and sets around 7:01 pm local time, giving 12 h 58 min of daylight. Evenings are drawing in — 29 min less daylight than mid-July. About 72% of daylight hours are sunny; in short, there are plenty of bright spells.

How August compares to the rest of the year

In Guangzhou's temperature order, August sits as the 2nd warmest month. Against July, the average high is 0.5°C (0.9°F) lower, with 50 mm more rain. Temperatures barely move from one month to the next here. September averages a high of 31.1°C (88°F).

Who August suits

  • Sightseeing: less ideal — rain falls on more than half the days.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Beach: less ideal — too many rainy days.
  • Museums & indoor: a good choice — with rain on most days, galleries and museums make easy plans.

Tips for visiting Guangzhou in August

Rain Protection

A packable rain jacket saves the day on showery afternoons.

Sun Protection

Protect yourself from strong sun: hat, SPF and plenty of water.

Quick questions

How warm is Guangzhou in August?

Afternoons average 31.7°C (89.1°F) and nights about 25.6°C (78.1°F) — hot by most people's standards. It is the 2nd warmest month of the year.

Does it rain a lot in Guangzhou in August?

Yes, fairly — rain falls most days and totals about 289 mm, so an umbrella is worth carrying.

What should I wear in Guangzhou in August?

The numbers point to rain protection and sun protection. There is little need to change for the evening.

Is August or September better for visiting Guangzhou?

September, narrowly: it ranks #8 of 12 among Guangzhou's months, against #10 for the other. September has fewer rainy days.

Is August a good time to visit Guangzhou?

Fair

Fair — warm to hot days, rain on most days (about 23), heavy rainfall (289 mm), plenty of sunshine (9.3 h a day). Within Guangzhou's own year, August ranks #10 of 12 — one of the least comfortable months.

August in other China cities

Drier places in August

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Guangzhou weather by month.