Chengdu in August

In August, Chengdu averages 30°C (87°F) during the day and 23°C (73°F) at night, with frequent rain — about 21 days of the month see precipitation (280 mm total).

High season

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

August is one of the wetter and less comfortable months in Chengdu. If your dates are flexible, consider a different time of year.

30°C
Avg high
23°C
Avg low
21
Rain days
280 mm
Rainfall

How August compares to the rest of the year in Chengdu

2nd
warmest month of the 12
1st
wettest month of the 12
25%
of yearly rainfall falls in August
13 h 17 min
daylight on the 15th

August is one of the warmest months in Chengdu (2nd of 12) and one of the wettest months (1st of 12). Daytime temperature runs 9°C above the annual average (21°C). August runs roughly the same as July (31°C) and cools 4°C in September (26°C).

August sunrise & sunset in Chengdu

🌅
Sunrise (15th)
6:30 AM
🌇
Sunset (15th)
7:46 PM
Day length
13 h 17 min

Times shown for Chengdu local time (Asia/Shanghai), calculated for the 15th of August. They shift by a few minutes day to day across the month.

Photography light in Chengdu — August

Golden-hour and blue-hour windows for the 15th of August, in Chengdu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:30 AM – 6:10 AM
🌄 Golden hour (AM)
6:10 AM – 7:10 AM
🌇 Golden hour (PM)
7:06 PM – 8:06 PM
🌆 Blue hour (PM)
8:06 PM – 8:46 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Chengdu.

📅 When to book — Chengdu in August

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Chengdu's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — August in Chengdu

High season

This is a busy month in Chengdu — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Northern Hemisphere summer holidays

Sun & mosquito risk — August in Chengdu

☀️ UV Index (noon, 15th)
12.3
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Chengdu in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 11°C / 51°F 3°C / 38°F 12 mm 5
February 13°C / 55°F 5°C / 41°F 19 mm 6
March 19°C / 66°F 10°C / 50°F 38 mm 11
April 24°C / 74°F 14°C / 58°F 79 mm 12
May 27°C / 80°F 18°C / 64°F 93 mm 14
June 30°C / 85°F 21°C / 71°F 124 mm 14
July 31°C / 87°F 23°C / 73°F 288 mm 20
August 30°C / 87°F 23°C / 73°F 280 mm 21
September 26°C / 79°F 20°C / 67°F 109 mm 16
October 21°C / 70°F 15°C / 59°F 57 mm 12
November 16°C / 61°F 10°C / 49°F 19 mm 6
December 11°C / 52°F 4°C / 39°F 14 mm 5

Other cities with similar August weather

🌍 See the full ranked list of climate twins for Chengdu in August →

Frequently asked questions

How hot is Chengdu in August?

In August, Chengdu averages a high of 30°C (87°F) and a low of 23°C (73°F) — generally hot.

Does it rain a lot in Chengdu in August?

August is quite rainy in Chengdu, with about 21 rainy days on average.

Is August a good time to visit Chengdu?

August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Chengdu in August?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Chengdu for a complete, climate-based checklist.

Open Chengdu on the interactive map

Check the live 10-day forecast and sunrise/sunset.