Nanjing Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Nanjing.
Climate overview of Nanjing
Nanjing Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nanjing - and find the best time to visit.
Monthly Temperature in Nanjing
In Nanjing, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 26°C (79°F) in July to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Nanjing
Nanjing experiences significant rain/snowfall throughout the year, averaging 1277 mm (50 in) 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 (9.1 in) of precipitation. This rainfall is distributed across 10 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 36 mm (1.4 in) over 8 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Nanjing Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Nanjing
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 per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Nanjing by Month
The relative humidity is high throughout the year in Nanjing.
The city experiences its highest humidity in July, reaching 80%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Nanjing
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, September and October
- Warmest weather: July and August
- Most sunshine: May, July and August
- Fewer rainy days: January, February, October, November and December
- Wettest months: May, June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from June to August, with very warm summers and cold winters
- Coldest conditions: January, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Nanjing
What is the best time to visit Nanjing?
April, September and October typically offer the most optimal weather in Nanjing. In contrast, January, June, July and August tend to have less optimal conditions. Nanjing has a distinct rainy season from June to August, with very warm summers and cold winters.
What temperatures can I expect in Nanjing?
Daytime highs range from 8°C (46°F) in January to 33°C (91°F) in July. Nighttime lows range from 0°C (32°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does Nanjing get?
Annual rainfall is around 1277 mm (50 in). June is the wettest month with 230 mm (9.1 in), while December is the driest with 36 mm (1.4 in).
How sunny is Nanjing?
Nanjing receives around 1,925 hours of sunshine per year. August is the sunniest month with 201 hours, while February is the cloudiest with just 120 hours.
Nanjing 3-Day Forecast
Nanjing on the map
Nanjing is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Explore the Li River, China's breathtaking landscape with majestic mountains, serene waters, and picturesque views. A must-see for every traveler.
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.