For some people, a "beach read" is likely to be a book about people having fun in the sun - splashing in the waves, vacationing by the pool, sizzling on the beach. Not me. I am hot enough already, and by the time July comes around I am tired of being hot. I want to read about snow! I want hats and scarves and murder on the slopes! I want ice floes and frostbite and all the avalanches you can give me. Cool me down! These books are all set in the cold - maybe they'll help you beat the heat.
Here's another list I made a few years ago of hot summer books about cold winter stuff - for even more chilly pleasures!