Measurements:
°C
°F
Shanghai
90°F
W 7 mph
Feels like: 102°F
Precip: 8%
World Resorts China Shanghai Weather

Shanghai Sea Water Temperature

Current Sea Water Temperature:
+92.6°F
Maximum Sea Water Temperature in August: 94.0°F
Minimum Sea Water Temperature in August: 82.6°F
Average water temperature in August: 88.8°F

Sea Water Temperature for the Last 10 Days:

August 04 92.6°F July 30 91.4°F
August 03 92.6°F July 29 90.8°F
August 02 91.4°F July 28 91.4°F
August 01 91.8°F July 27 91.0°F
July 31 91.2°F July 26 90.8°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Shanghai was 87.2°F. The maximum and minimum values were 80.6°F and 91.4°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 86.3 °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 +82
Beijing +90
Dadunhai +84
Dalian +84
Guangzhou +82
Hainan +80
Hong Kong +82
Qinhuangdao +82
Quingdao +84
Sanya +84
Shanghai +90
Shenzhen +82
Weihai +80
Yalong Bay +84
Yantai +84
24 Hours Weather Forecast
Shanghai
Local time: 21:01
05 aug, wednesday
0000 88°F
W
5 mph
0300 86°F
W
4 mph
0600 86°F
W
5 mph
0900 96°F
W
8 mph
1200 102°F
W
9 mph
1500 100°F
W
9 mph
1800 94°F
W
8 mph
2100 90°F
SW
7 mph