Chongming Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chongming.
Climate overview of Chongming
Chongming, Shanghai Area, China, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in July, while winters cool to 9°C (48°F) in January.
The city has a wet climate, receiving around 1319 mm (52 in) of rain/snowfall per year. Despite the high annual total, it has very warm summers and cold winters. June is the wettest month. The sunniest month is July, with 6.4 hours of sunshine per day on average.
Chongming Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chongming - and find the best time to visit.
Monthly Temperature in Chongming
Depending on the time of the year, temperatures range from very warm to chilly in Chongming. On average, daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 26°C (79°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chongming
Chongming has a relatively rain/snowy climate with high precipitation levels, averaging 1319 mm (52 in) of rain/snowfall annually. The seasons in Chongming bring significant changes in precipitation. The wettest month, June, receives heavy rainfall, with an average of 262 mm (10 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 44 mm (1.7 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chongming 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 Chongming
In Chongming, summer days are longer and more sunny, with daily sunshine hours peaking at 6.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 3.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Chongming by Month
The relative humidity is high throughout the year in Chongming.
The city experiences its highest humidity in June, reaching 79%. In December, 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 Chongming
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: October
- Warmest weather: July and August
- Most sunshine: July and August
- Wettest months: May, June, July and August, when rainfall is highest.
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Chongming
What is the best time to visit Chongming?
October typically offers the most optimal weather in Chongming. In contrast, January, February, June and July tend to have less optimal conditions. Chongming has very warm summers and cold winters.
What temperatures can I expect in Chongming?
Daytime highs range from 9°C (48°F) in January to 33°C (91°F) in July. Nighttime lows range from 3°C (37°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does Chongming get?
Annual rainfall is around 1319 mm (52 in). June is the wettest month with 262 mm (10 in), while December is the driest with 44 mm (1.7 in).
How sunny is Chongming?
Chongming receives around 1,772 hours of sunshine per year. July is the sunniest month with 191 hours, while January is the cloudiest with just 112 hours.
Chongming 3-Day Forecast
Chongming on the map
Chongming is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Hangzhou
34°C (93°F) Guangzhou34°C (93°F) Shanghai32°C (90°F) Xi'an
33°C (91°F) Beijing32°C (90°F) Shenzhen32°C (90°F) Chengdu31°C (88°F) Qingdao29°C (84°F) 
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