World Resorts China Dalian Weather

Dalian sea water temperature

Current sea water temperature:
+44.4°F
Minimum sea water temperature in December: 53.1°F
Maximum sea water temperature in December: 38.7°F
Average sea water temperature in December: 46.3°F

Sea water temperature for the last 10 days:

December 27 44.4°F December 22 45.1°F
December 26 44.8°F December 21 45.0°F
December 25 45.1°F December 20 44.6°F
December 24 45.0°F December 19 44.1°F
December 23 45.1°F December 18 44.6°F

When is the warmest sea in Dalian?

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

Monthly Sea Temperatures in Dalian, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.7°F. The highest and lowest sea temperatures during the month were 81.5°F and 77.7°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 77.5°F. The highest and lowest sea temperatures during the month were 81.1°F and 71.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 75.3°F. The highest and lowest sea temperatures during the month were 78.1°F and 71.8°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 13.4 mph
November 13.0 mph
January 12.4 mph

Dalian on a weather map

Dalian
+36°F
NE 8 mph
Feels like: +30°F
Precip.: 0%
Places in China:
Name
°F
+27°F
+63°F
+61°F
+64°F
+36°F
+66°F
+30°F
+64°F
+68°F
+63°F
+43°F
+39°F
+45°F
+59°F
+64°F
24 Hours Forecast
Dalian
Local time: 04:31
December 28, sunday
0600
36°F
NE
9 mph
0900
39°F
NE
9 mph
1200
41°F
NE
14 mph
1500
41°F
NE
12 mph
1800
39°F
NE
10 mph
2100
39°F
NE
10 mph
December 29, monday
0000
39°F
SE
15 mph
0300
30°F
S
21 mph

Best place for vacation:

Units of measurement: °C / °F