In a day in early April about ten years ago I was in Perth, WA, and the temperature reached 36°. That was the hottest I'd ever been in. I beat it last year in Andalucia, southern Spain, when we had three days that reached 40°. The odd thing was that all four of those days were comfortable because the humidity was very low. We Cornish denizens are unaccustomed to such things. We did have 31° in Bude a few years ago. That's about as high as it ever gets, and even that's rare.