sultry

adjective3

1. •
   Hot and humid; sweltering.

   • Here in the sultriest season let him rest, / Fresh is the green beneath those aged trees; / Here winds of gentlest wing will fan his breast, / From heaven itself he may inhale the breeze: […] — 1812
2. •
   Emitting great heat.

   • The battlefield—an undulating, parched, and dusty expanse—is lying under the sultry sun of a July afternoon. — 1908
3. •
   (figurative) Sexually enthralling.