Also for people interested in visiting the area (read this last sentence as "also for people with a secret dream to stand at its top sometime")- or for people that have already visited it (or climbed it - if there are any of them in FB: c'mon guys you are our heroes, share your experience please!)
From //people.bath.ac.uk/cwn20/Untitled-1.htm:
K2 is notoriously rated the most dangerous mountain
on earth. It is a solid limestone ice-tower with hundreds of lethal obstacles. As oppossed to its bigger sister Everest, porters rarely help climbers move equipment up to their respective bases, because they know that even the trip to base-camp raises life-threatening tasks. All the equipment must thus be taken up by the climbers, posing a near impossible job given that each team has tons of equipment, and that most of the climb is near if not vertical ice. Compared to Everest, K2 is a much more difficult climb, although with a slightly lower alltitude. Typically, climbers wait a whole year to climb Everest during its '2 to 5' day window of decent weather during the spring season, whereas K2 has no such window of opportunity, and it is almost impossible to climb withought being caught in life-thratening weather. The best months would be, June, July and August. Climatologists explain K2's bizarre weather: "The sudden storms are caused in part because the peak is so much higher than the mountains around it -- it juts up into the upper layers of the atmosphere and like a rock in a river can create eddies in the jet stream, with good weather on one side of the mountain, and life-threatening conditions on the other."