The climate in Nantong during April can be summarized as mild and a little damp.
April is in the spring in Nantong and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (49°F) is normal.
| Daytime temperature | 18°C 64.4°F | 
|---|---|
| Nightly temperature | 9.2°C 48.6°F | 
| Average temperature | 13.6°C 56.5°F | 
| Daily sunshine | 6 hrs | 
| Avg rainfall | 86 mm 3.4 ins | 
| Rainy days | 13 days | 
| Sea temperature | 11.3°C 52.3°F | 
| Humidity | 75% | 
| Windspeed | 12.2kph 8 mph | 
On average April is the 6th wettest month of the year in Nantong with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
				
						
						The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nantong in April 2025.
| Hottest month: | July | 30.5°C 86.9°F | 
|---|---|---|
| Driest month: | December | 32mm 1.3ins | 
| Sunniest month: | August | 8.1hrs | 
| Coldest month: | January | 6.3°C 43.3°F | 
| Wettest month: | July | 189mm 7.4ins |