This week’s selections of four noteworthy artworks are vivid, expressive paintings, befitting the current torrid summer heat. Clockwise from top left:

Osvaldo Ramirez-Castillo at Espace Robert Poulin, David Gagnon at Galerie Joyce Yahouda, Jenna Meyers at Galerie Joyce Yahouda, Sara A. Tremblay at Galerie Lilian Rodriguez