The twelfth 節気 “sekki” division of the traditional Japanese calendar is:
‘blistering heat’ // ‘major heat’ (solar term)
The second “kō” microseason within this division is:
(つち うるおうて むし あつし)
“tsuchi uruōte mushi atsushi”
Earth is damp, air is humid
That makes 土潤溽暑 the thirty-fifth microseason of the year!
It typically lasts 29 July ~ 2 August.
muggy; steamy; sticky; hot and humid
Image credit: ResearchGate.net.