Nanjing Climate by Month
With a subtropical monsoon climate climate Nanjing can best be visited from March until May. During summer months (June-September) the average temperature is very high making Nanjing one of the hottest and humid cities in China. Also most rain is seen during summer months so best to avoid these months. September to November is a great time to visit if you wish to see the maple trees.
Average day and night temperature
In Nanjing, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 33°C in July to a chilly 8°C in January. Nighttime temperatures can drop, with averages reaching 0°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Nanjing experiences significant rain/snowfall throughout the year, averaging 1277 mm of precipitation annually. The seasons in Nanjing, bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 230 mm of precipitation. This rainfall is distributed across 10 rainy days. In contrast, the driest month, December, experiences much less rainfall, totaling 36 mm over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Nanjing, summer days are longer and more sunny, with daily sunshine hours peaking at 6.7 hours in August. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 4.0 hours.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Nanjing.
Relative humidity over the year
The best time of year to visit Nanjing in China
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in June, July and August.
July has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
June tops the wettest month list with 230 mm of rainfall.
December is the driest month with 36 mm of precipitation.
August is the sunniest month with an average of 201 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
