The night wasn't really that cold. Or rather, at least not to those beings who could freely manipulate their internal magic. To such individuals, Jak and Mako being two such examples, it was considered simple child's play to control their own body temperature. For the fiery redhead, this was especially true given his base elemental nature of fire, granting him a strong resistance to low temp environments.
So, even if everyone else found the world of 'Ard Araml to be a borderline icy wonderland after the twins stars had set, all Jak could feel was a cool refreshing breeze as it blew past.
"Hey. Bonehead. Catch."
