Measurements:
°C
°F
Shanghai
74°F
SW 7 mph
Feels like: 80°F
Precip: 53%
World Resorts China Shanghai Weather

Shanghai Sea Water Temperature

Current Sea Water Temperature:
+79.2°F
Maximum Sea Water Temperature in June: 86.0°F
Minimum Sea Water Temperature in June: 70.4°F
Average water temperature in June: 78.3°F

Sea Water Temperature for the Last 10 Days:

June 23 79.2°F June 18 78.8°F
June 22 80.2°F June 17 79.0°F
June 21 80.0°F June 16 78.4°F
June 20 79.8°F June 15 79.6°F
June 19 78.6°F June 14 80.6°F

When is the Warmest Sea for Shanghai?

According to our data for the last three years for Shanghai the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Shanghai was 91.1°F. The maximum and minimum values were 88.2°F and 94.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Shanghai was 88.4°F. The maximum and minimum values were 87.2°F and 89.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Shanghai was 89.4°F. The maximum and minimum values were 85.0°F and 92.8°F respectively.

Best Time to Visit Shanghai
The most sunny months:
December 16 days
January 15 days
May 14 days
The most warm months:
August 95.1 °F
July 94.4 °F
September 86.5 °F
Warmest sea temperature:
August 88.8 °F
July 86.2 °F
September 84.0 °F
The most cold months:
January 48.8 °F
February 50.8 °F
December 53.0 °F
The most rainy months:
June 8 days
July 7 days
August 6 days
The most windy months:
May 9 mph
April 9 mph
February 9 mph

Shanghai on the Weather Map

China Resorts:
NAME
Beidaihe +70
Beijing +72
Dadunhai +84
Dalian +72
Guangzhou +86
Hainan +78
Hong Kong +84
Macau +86
Quingdao +72
Sanya +84
Shanghai +74
Shenzhen +84
Weihai +72
Yalong Bay +84
Yantai +70
24 Hours Weather Forecast
Shanghai
Local time: 04:53
24 jun, wednesday
0600 74°F
SW
7 mph
0900 74°F
S
7 mph
1200 74°F
S
6 mph
1500 78°F
S
9 mph
1800 74°F
S
7 mph
2100 74°F
SW
6 mph
25 jun, thursday
0000 74°F
S
5 mph
0300 72°F
S
4 mph