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Dalian weather in August

Weather in Dalian: August

Average day temperature: 82.2°F
Average night temperature: 75.8°F
Sea water temperature: 77.8°F
Number of sunny days: 17 days
Day length: 13.1 - 14.2 hours
Number of rainy days: 5 days
Precipitation totals: 4.1 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 86°F. At the same time the lowest night temperature was 69°F. Daily and nightly averages during August were 81.5°F and 75.3°F.

Sea water temperature in Dalian 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.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Dalian in August is 4.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 8.1 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.8.

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
+30°F
NW 4 mph
Feels like: +27°F
Precip.: 0%
Places in China:
Name
°F
+28°F
+64°F
+68°F
+68°F
+30°F
+66°F
+30°F
+68°F
+70°F
+66°F
+43°F
+36°F
+45°F
+63°F
+68°F
24 Hours Forecast
Dalian
Local time: 01:51
December 22, monday
0300
30°F
NW
4 mph
0600
30°F
NW
6 mph
0900
34°F
N
9 mph
1200
37°F
N
12 mph
1500
39°F
N
11 mph
1800
37°F
N
11 mph
2100
39°F
N
11 mph
December 23, tuesday
0000
39°F
N
12 mph

Best place for vacation:

Units of measurement: °C / °F