It's strange what people are used to. Heatwave (all 30-35C of it) in the UK a few years ago and people are dropping like flies. Get that over here and people finally start taking their jumpers off. So while your island may be a lot cooler than ours in absolute terms, you'll still get some problems (plus it's not the mean that's rising a bit that's the problem, it's the variance that's getting bigger that you gotta worry about)
Meanwhile, if you want to look at the jetstreams in real time, go to earth.nullschool.net and click on a higher altitude (can't remember which one), but you can see them in all their glory (if you're a nerd like me).
Meanwhile, I wasn't just imagining it, it was
officially the hottest Octember on record here...