Join Date: Jul 2010
Location: Shanghai (PVG/SHA)
Programs: SQ Gold, AF Platinum, AA Platinum (sadly, expiring soon), QR Silver, EK, MU, HU, PR, HO, OZ, KE
Posts: 685
It's quite horribly hot in Shanghai as well, I wouldn't recommend visiting in summer. Plus you probably also have the problem and cost of obtaining a China visa, unless you intend to take advantage of the 72-hour transit visa...? That wouldn't allow you 4 nights, would it?