Current sea water temperature:
+54.1°F
| Minimum sea water temperature in December: | 64.0°F |
| Maximum sea water temperature in December: | 45.1°F |
| Average sea water temperature in December: | 55.0°F |
| more information | |
14 days
forecast
forecast
| Nantong |
monthly
weather
weather
| Nantong |
Sea water temperature for the last 10 days:
| December 28 | 54.1°F | December 23 | 54.9°F |
| December 27 | 54.0°F | December 22 | 55.9°F |
| December 26 | 55.0°F | December 21 | 56.1°F |
| December 25 | 55.4°F | December 20 | 56.3°F |
| December 24 | 53.8°F | December 19 | 56.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Nantong?
Based on the data about daily sea water temperature for the last three years the warmest sea in Nantong was noticed in August, July and September.
Monthly Sea Temperatures in Nantong, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.5°F. The highest and lowest sea temperatures during the month were 90.7°F and 84.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 86.0°F and 81.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 88.5°F and 80.1°F.
current
weather
weather
| Nantong |
weather in
January
January
| Nantong |
Best time for vacation in Nantong
Nantong on a weather map
Places in China:
Name
°F
24 Hours Forecast
Nantong
Local time: 23:55
December 29, monday
0000
46°F
N
7 mph
7 mph
0300
45°F
N
5 mph
5 mph
0600
45°F
NE
4 mph
4 mph
0900
48°F
E
3 mph
3 mph
1200
55°F
SE
4 mph
4 mph
1500
57°F
S
3 mph
3 mph
1800
50°F
SW
9 mph
9 mph
2100
48°F
SW
7 mph
7 mph
