World Resorts China Shanghai Weather

Shanghai sea water temperature

Current sea water temperature:
+54.5°F
Minimum sea water temperature in December: 61.9°F
Maximum sea water temperature in December: 45.0°F
Average sea water temperature in December: 53.4°F

Sea water temperature for the last 10 days:

December 21 54.5°F December 16 54.9°F
December 20 55.2°F December 15 54.9°F
December 19 54.7°F December 14 55.6°F
December 18 54.9°F December 13 55.9°F
December 17 54.3°F December 12 55.9°F

When is the warmest sea in Shanghai?

Based on the data about daily sea water temperature for the last three years the warmest sea in Shanghai was noticed in August, July and September.

Monthly Sea Temperatures in Shanghai, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 87.0°F. The highest and lowest sea temperatures during the month were 89.6°F and 84.4°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.8°F and 83.5°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 88.5°F and 81.5°F.

Best time for vacation in Shanghai

Sunniest months:
December 16 days
January 15 days
May 14 days
Warmest months:
August 90.6 °F
July 89.9 °F
September 82.9 °F
Warmest sea temp:
August 85.0 °F
July 82.6 °F
September 80.6 °F
Coldest months:
January 48.9 °F
February 50.6 °F
December 52.4 °F
Rainiest months:
June 8 days
July 7 days
August 6 days
Windiest months:
May 9.2 mph
April 9.1 mph
February 9.1 mph

Shanghai on a weather map

Shanghai
+45°F
SW 5 mph
Feels like: +43°F
Precip.: 0%
Places in China:
Name
°F
+28°F
+63°F
+66°F
+70°F
+30°F
+66°F
+28°F
+70°F
+70°F
+66°F
+41°F
+37°F
+45°F
+61°F
+70°F
24 Hours Forecast
Shanghai
Local time: 05:00
December 22, monday
0600
45°F
SW
5 mph
0900
50°F
W
5 mph
1200
55°F
W
8 mph
1500
55°F
W
9 mph
1800
52°F
W
8 mph
2100
52°F
W
6 mph
December 23, tuesday
0000
50°F
NW
6 mph
0300
52°F
NW
5 mph
Units of measurement: °C / °F