As I realised later, the weather is exactly the same all the time, but if you are lucky enough, you'll see a miracle, just like I did in my first day there. It was the 7th of August - the sunniest day of the whole summer, and thermometer showed the hottest temperature that can only exist in Reykjavik that time - 16 degrees! Maybe that women from Latvia was right and it could be the reason why locals don't show up on the streets?