I live in England where it is obviously mostly cold and wet. Three weeks ago, I happened to be on holiday on the south coast and it did not rain! So me and my boyfriend decided to risk it and go sit on a beach for an afternoon. I took lots of factor 30 so my skin didn't frizzle (I am practically blue and would take a week of sunbathing to turn white) & my kobo glo.
After about half an hour in the direct sunlight, the kobo started acting a bit odd. Like me, it is obviously not used to warm weather, but it seemed to be so overwhelmed by sitting on a beach in Cornwall in July and it not raining, that it started to freeze. It refused to page turn. It randomly went to the home screen. I held the power button a bit and it reset, but still kept acting strangely. I had to give up on reading and watch people instead. It was most annoying. The boyfriend fetched an ice cream which cheered me up a little, but of course, I'd rather have been reading.
Perhaps I should have taken the kobo out of its neoskin cover to help the heat a bit, but it is always in that cover. It was England anyway, not flipping Arizona.
We have booked a break to Majorca in October and I am worried about my kobo.