The highest day temperature in August 2025 was 90°F. The lowest night temperature was 59°F. The average values for day and night temperatures during August were 80.5°F и 66.6°F respectivly.

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

Precipitation total in August for Harbin is 4.1 in. It makes august the most rainy month of the year.

The average wind speed in August is 7.3 mph. It makes August one of the most windless months of the year for Harbin.

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 Harbin in August is 8.4 hours.