The highest day temperature in July 2025 was 90°F. The lowest night temperature was 71°F. The average values for day and night temperatures during July were 85.1°F и 76.9°F respectivly.

The average sea surface temperature in July 2025 for Dalian was 80.5°F. The maximum and minimum values were 74.0°F and 84.6°F respectively.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for Dalian is 3.3 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 8.4 mph. It makes July one of the most windless months of the year for Dalian.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dalian in July is 10.1 hours.