fervent
fervid
(archaic) extremely hot, burning, or glowing
the fervent heat … merely communicated a genial warmth to their half-torpid systems
Nathaniel Hawthorne
set out … when the fervid heat subsides
Frances Trollope
ardent
fiery
impassioned
perfervid
torrid
characterized by intense emotion
ardent love
an ardent lover
a fervent desire to change society
a fervent admirer
fiery oratory
an impassioned appeal
a torrid love affair