World Resorts China Dalian Weather

Dalian Sea Temperature in December

Average sea water temperature in December:
+46.3°F
Minimum sea water temperature in December: 53.1°F
Maximum sea water temperature in December: 38.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.9°F. The highest and lowest sea temperatures during the month were 50.7°F and 44.1°F.

Monthly sea water temperature in Dalian, °F

Which China resorts have warmest sea in December?

Place name December 2025 December 2024
Sanya 77.3°F 77.0°F
Dadunhai 77.3°F 77.0°F
Yalong Bay 77.2°F 76.5°F
Tainan 76.5°F 74.9°F
Hainan 72.9°F 72.1°F
Haikou 72.2°F 71.3°F
Taichung  70.1°F 69.7°F
Taipei 70.0°F 69.4°F
Shenzhen 69.9°F 68.3°F
Hong Kong 69.8°F 68.9°F
Macau 68.8°F 66.7°F
Zhuhai 68.7°F 66.3°F
Guangzhou 68.5°F 67.8°F
Beihai 68.4°F 67.1°F
Xiamen 66.0°F 64.4°F
Ningbo 57.7°F 55.8°F
Nantong 57.5°F 56.2°F
Hangzhou 56.7°F 54.4°F
Shanghai 56.3°F 54.1°F
Suzhou 50.4°F 46.6°F

Best time for vacation in Dalian

Sunniest months:
March 22 days
September 21 days
October 21 days
Warmest months:
August 82.2 °F
July 80.6 °F
September 75.5 °F
Warmest sea temp:
August 77.8 °F
July 74.1 °F
September 73.0 °F
Coldest months:
January 31.0 °F
February 33.8 °F
December 35.9 °F
Rainiest months:
August 5 days
July 4 days
June 3 days
Windiest months:
December 13.5 mph
November 13.0 mph
January 12.4 mph

Dalian on a weather map

Dalian
+37°F
SE 16 mph
Feels like: +28°F
Precip.: 0%
Places in China:
Name
°F
+28°F
+68°F
+77°F
+70°F
+37°F
+70°F
+32°F
+70°F
+72°F
+68°F
+43°F
+37°F
+48°F
+66°F
+70°F
24 Hours Forecast
Dalian
Local time: 21:35
December 25, thursday
0000
30°F
S
28 mph
0300
25°F
S
27 mph
0600
21°F
S
24 mph
0900
21°F
S
24 mph
1200
21°F
S
24 mph
1500
21°F
S
21 mph
1800
23°F
S
17 mph
2100
23°F
S
17 mph

Best place for vacation:

Units of measurement: °C / °F