The Smashwords Summer/Winter sale is on during July.
Stinking hot / cold and rainy? Obviously you need to stay inside and read.
All my books are 50% off. That makes them US$2 all month. They’re low-key fantasy with romantic subplots, often queer:
https://www.smashwords.com/profile/view/wendylpalmer
But you’ll find plenty of other Masto indie authors on the smashwords hashtag, and there’s lots and lots of books to browse at the site:
ALT