The Three Lions boss is on a fact-finding mission in Manaus in preparation for the tournament.
"We football people, I suppose we deal to some extent in dreams," Hodgson told Sky Sports. "It would be foolish I think if you were too pragmatic or too bogged down by the reality of the situation.
"When you put your head down on the pillow at night you image your team getting the greater success, playing very well and coming back as heroes otherwise it would become a very, very boring exercise.
"It's hot here, but the World Cups are played during the summer. It was hot in South Africa, it was very hot in the USA in 1994, it will be hot here too, but this is something that happens."