Weather in Nanjing in August 2025
- August is usually the wettest month of the year in Nanjing;
Average weather
Average temperature in Nanjing in August
Going from a maximum of +99°F during the day to a minimum of +66°F during the night, the temperature in August averages around +90°F.
The average maximum temperature goes down 22% by the end of the month, compared with the beginning of the month, from +90°F to +82°F.
Is Nanjing warm or cold in August?
Nanjing is typically hot in August.
Maximum temperatures go down compared to the previous month from +90°F to +88°F. The minimum temperature also goes down from +79°F to +77°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is one of the warmest months in Nanjing, here is the comparison with other months:
Climate in Nanjing in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +90°F | +88°F | +81°F | ||||
| Min. temperature | ||||||
| +64°F | +63°F | +52°F | ||||
| Max. temperature | ||||||
| +108°F | +102°F | +99°F | ||||
| Rainfall | ||||||
| 230 mm | 159 mm | 107 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 80% | ||||
| Air pressure | ||||||
| 1003 HPa | 1005 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 6 | ||||
| Cloudy days | ||||||
| 7 | 7 | 11 | ||||
| Rainy days | ||||||
| 22 | 21 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting colder in August. From +90°F in the day, the average maximum temperature lowers to +88°F. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 230 mm to 159 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 2 to 3.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Nanjing is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Nanjing?
Climate Change Over the Years
The climate in Nanjing in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+65°F) and the highest in 2019 (+74°F). The driest year was 2019 with only 819 mm of rainfall, and the wettest year was 2020 with 4430 mm.
FAQ
Is August a good time to visit Nanjing?
Can you sunbathe in Nanjing in August?
Is Nanjing rainy in August?
Is it sunny in Nanjing in August?
Other cities in China
Monthly weather in Nanjing
Source of the data
For this page, we’ve looked at the typical weather in Nanjing, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
