Chengdu Weather in August
China · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Chengdu sees average temperatures ranging from a low of 23.3°C (73.9°F) to a high of 31.4°C (88.5°F), with a mean of 27.1°C (80.8°F). Compared to the annual average of 17.7°C (63.9°F), this month is 9.4°C warmer than the yearly norm. This is the hottest month of the year, reaching 31.4°C (88.5°F) on average. Precipitation averages 295.2mm, making it approximately 201.0mm wetter than the monthly average of 94.0mm. This is the wettest month of the year, with 295.2mm of precipitation and around 20.4 rainy days. The city receives an average of 8.5 hours of sunshine per day during August, with relative humidity averaging 76.3%. Wind speeds reach an average maximum of 14.2 km/h. For travelers, this month offers a hottest month of the year experience in Chengdu, with wetter-than-average conditions compared to the rest of the year.
Chengdu is famous for its overcast skies, and the data confirms why. The city sits in the Sichuan Basin, which creates a unique microclimate with persistent cloud cover. I visited during the pandas' outdoor season and found the mild temperatures perfect for the city's outdoor attractions. The best time to visit is March to June and September to November, when the weather is mildest.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 26.7°C (80.1°F) | 27.1°C (80.8°F) | 23.3°C (73.9°F) |
| Rainfall | 247.5mm | 295.2mm | 121.0mm |
| Sunshine | 8.2 hrs | 8.5 hrs | 7.1 hrs |
| Humidity | 78.3% | 76.3% | 78.6% |
| Wind | 13.1 km/h | 14.2 km/h | 12.9 km/h |
| Rainy Days | 22.6 | 20.4 | 22.0 |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Chengdu in August, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Chengdu in August?
The average temperature in Chengdu during August ranges from 23.3°C (73.9°F) to 31.4°C (88.5°F), with a mean of 27.1°C (80.8°F).
How much does it rain in Chengdu in August?
Chengdu receives an average of 295.2mm of precipitation in August, spread across approximately 20.4 rainy days. This is the wettest month of the year.
What should I pack for Chengdu in August?
Based on August weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 295.2mm of precipitation.
Is August a good time to visit Chengdu?
August is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Chengdu
Cities with Similar August Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 30.57°, 104.07°. Timezone: Asia/Shanghai. Last updated: 2026-07-30.