Measurements:
°C
°F
Dalian
86°F
NW 9 mph
Feels like: 94°F
Precip: 7%
World Resorts China Dalian Weather

Dalian Sea Water Temperature

Current Sea Water Temperature:
+80.4°F
Maximum Sea Water Temperature in July: 85.4°F
Minimum Sea Water Temperature in July: 69.0°F
Average water temperature in July: 76.8°F

Sea Water Temperature for the Last 10 Days:

July 25 80.4°F July 20 78.4°F
July 24 80.6°F July 19 80.4°F
July 23 79.8°F July 18 79.2°F
July 22 79.6°F July 17 78.8°F
July 21 77.8°F July 16 78.6°F

When is the Warmest Sea for Dalian?

According to our data for the last three years for Dalian 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 Dalian was 83.0°F. The maximum and minimum values were 80.8°F and 85.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Dalian was 77.6°F. The maximum and minimum values were 73.0°F and 80.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Dalian was 78.2°F. The maximum and minimum values were 74.2°F and 81.2°F respectively.

Best Time to Visit Dalian
The most sunny months:
September 21 days
March 21 days
April 21 days
The most warm months:
August 85.8 °F
July 84.0 °F
September 78.4 °F
Warmest sea temperature:
August 80.9 °F
July 76.8 °F
September 75.5 °F
The most cold months:
January 28.6 °F
February 32.1 °F
December 34.3 °F
The most rainy months:
August 5 days
July 4 days
May 2 days
The most windy months:
December 13 mph
November 12 mph
January 12 mph

Dalian on the Weather Map

China Resorts:
NAME
Beidaihe +84
Beijing +94
Dadunhai +92
Dalian +86
Guangzhou +82
Hainan +92
Hong Kong +80
Qinhuangdao +84
Quingdao +88
Sanya +92
Shanghai +98
Shenzhen +80
Weihai +86
Yalong Bay +92
Yantai +90
24 Hours Weather Forecast
Dalian
Local time: 12:53
26 jul, sunday
1500 88°F
NW
7 mph
1800 84°F
W
6 mph
2100 80°F
W
6 mph
27 jul, monday
0000 80°F
W
6 mph
0300 78°F
SW
4 mph
0600 80°F
W
3 mph
0900 84°F
N
7 mph
1200 88°F
N
4 mph

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