UTC Offset
UTC+08:00
Chongming, China Snapshot 2026
Where is Chongming?
Chongming, China
- Continent
- Asia
- Country
- China
- City
- Chongming
- Population
- 637.9K
- Coordinates
- 31.62°, 121.70°
Chongming is a city in China with a population of approximately 637.9K. Average temperatures range from 3°C (38°F) in January to 31°C (87°F) in August. The best time to visit is May, September, October.
Time in Chongming right now
Open full time & time zone page 23:09 09
Tuesday, June 30, 2026
IANA time zone
Asia/Shanghai
Daylight saving
No DST
Next DST change
—
Live weather in Chongming
Daylight in Chongming today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 11m
Climate normals for Chongming
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Fair April
Good May best
Excellent June
Wet July
Wet August
Poor September best
Good October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 3°C | 4°C / -1°C | 7days (57 mm) Good | 6h Fair | 74% Muggy | 3.7 Moderate | Poor | View Details |
| February | 9°C / 4°C | 5°C / 0°C | 9days (53 mm) Wet | 6.3h Fair | 75% Muggy | 4.1 Moderate | Poor | View Details |
| March | 13°C / 8°C | 11°C / 5°C | 10days (76 mm) Wet | 7.3h Good | 77% Humid | 5.3 High | Fair | View Details |
| April | 18°C / 13°C | 18°C / 11°C | 10days (99 mm) Wet | 8.1h Good | 78% Humid | 6.3 High | Good | View Details |
| May best | 23°C / 18°C | 24°C / 18°C | 11days (123 mm) Wet | 8.4h Good | 79% Humid | 7.1 Very High | Excellent | View Details |
| June | 26°C / 22°C | 30°C / 25°C | 15days (242 mm) Wet | 7.2h Good | 85% Humid | 6.3 High | Wet | View Details |
| July | 30°C / 27°C | 36°C / 31°C | 16days (211 mm) Wet | 8.9h Good | 85% Humid | 7.5 Very High | Wet | View Details |
| August | 31°C / 27°C | 36°C / 32°C | 12days (119 mm) Wet | 10.2h Excellent | 82% Humid | 7.8 Very High | Poor | View Details |
| September best | 27°C / 24°C | 30°C / 26°C | 13days (178 mm) Wet | 7.8h Good | 80% Humid | 6.2 High | Good | View Details |
| October best | 22°C / 18°C | 22°C / 18°C | 8days (74 mm) Wet | 6.9h Fair | 74% Muggy | 4.9 Moderate | Excellent | View Details |
| November | 17°C / 12°C | 15°C / 10°C | 7days (56 mm) Good | 6.4h Fair | 74% Muggy | 4.1 Moderate | Good | View Details |
| December | 10°C / 5°C | 7°C / 2°C | 5days (32 mm) Good | 6.5h Fair | 71% Muggy | 3.5 Moderate | Fair | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 8°C / 3°C . Feb: 9°C / 4°C . Mar: 13°C / 8°C . Apr: 18°C / 13°C . May: 23°C / 18°C . Jun: 26°C / 22°C . Jul: 30°C / 27°C . Aug: 31°C / 27°C . Sep: 27°C / 24°C . Oct: 22°C / 18°C . Nov: 17°C / 12°C . Dec: 10°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 57 mm. Feb: 53 mm. Mar: 76 mm. Apr: 99 mm. May: 123 mm. Jun: 242 mm. Jul: 211 mm. Aug: 119 mm. Sep: 178 mm. Oct: 74 mm. Nov: 56 mm. Dec: 32 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 74%. Feb: 75%. Mar: 77%. Apr: 78%. May: 79%. Jun: 85%. Jul: 85%. Aug: 82%. Sep: 80%. Oct: 74%. Nov: 74%. Dec: 71%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 20 km/h . Jun: 18 km/h . Jul: 20 km/h . Aug: 18 km/h . Sep: 18 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 18 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 7°C . Feb: 7°C . Mar: 10°C . Apr: 17°C . May: 22°C . Jun: 26°C . Jul: 30°C . Aug: 32°C . Sep: 29°C . Oct: 24°C . Nov: 17°C . Dec: 10°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 6. Jul: UV 8. Aug: UV 8. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 4.
Frequently Asked Questions
Chongming has a population of approximately 637.9K.
The best months to visit Chongming are May, September, October, when temperatures are pleasant and rainfall is lower.
Chongming receives approximately 1320mm of rainfall annually across 123 rainy days.
Chongming is located in China, in the Asia region.