Why would Golding start the chapter with such vivid details

about the temperature/weather? In lord of the flies.

The vivid details of the weather or temperature in the novel is used to serve as a symbol of the behavior of the boys on island.

Explanation:

"Lord of the Flies" is a novel written by William Golding. The novel is about the boys who are shipwrecked on an unihabited island during the time of nuclear war. The boys, on island, try to preside over each other, only to producce disaster.

The book starts with the description of the temperature as 'bath of heat.' 'Heat' symbolizes anger and hot-temperedness. This description of the temperature of the island, on which the boys are shipwrecked, suggests or symbolizes the angerness and hot-temperedness of the boys. The quenchless heat of the island suggests their behaviors which desires to rule over one another as a master, it also defines their violence.