intense heat; severe heat
Describes extremely hot weather that feels harsh or oppressive. Often used in weather reports or daily conversation about summer conditions.
Today's intense heat makes it hard to go outside.
This summer, record-breaking severe heat continues.
Standard kanji spelling for this phrase.
Kana spelling for the adjective part; sometimes used for emphasis or in informal writing.
Phrase composed of 厳しい (strict, severe) and 暑さ (heat, from 暑い 'hot'). The combination literally means 'severe heat' and is a straightforward descriptive expression.