What a surprise to hear all these UK owners complaining about the heat!!!
Everything is relative. To us, 30C is a heatwave. To an Aussie it would probably be a nice spring day.
Mind you I dont know what they are moaning about. I was out in the boat yesterday for a very slow sail ( 5kn wind

) taking maybe 5 hours and all that was needed was a hat and some sun lotion. And two pints of shandy the moment we tied up