Again, even if this happens, it should not bother most people. Snow will be intermittent between November-March, and possibly even earlier or later. It usually melts between falls. December and January are the coldest months and most days will be below freezing. In Lake Issyk Kul summer days may be hot but it is never hot at night and may be cool at night even in high summer.
Winters are very cold, despite the name 'warm lake'.
The water is slightly salty and thought to be very good for the skin. This is partly because of the weather, but also because there are less people around. Travelling otherwise at those times can be extremely unpleasant. Given the dusty roads and the summer heat, it is important to keep the windows shut, which is impossible without air-conditioning. Kashgar will usually be warm and dry even in May and October, and very hot in summer.