How long does Typhoon Sura usually last? Will it make any difference to go to Suzhou and Hangzhou on August 5?

The duration of typhoon Sura is uncertain, usually around 6 hours. If it affects an area, it usually lasts for a few days after landing.

As for whether going to Suzhou and Hangzhou on August 5 will be affected, I suggest you pay attention to the latest forecast information of the meteorological department and get the most accurate and up-to-date typhoon information. If the typhoon affects your travel plan, you can consider changing your itinerary or delaying it.