暑(あつ)さ

あつさ
noun
heat, hotness (of weather)
weather
See also: 厚(あつ)さ (thickness)
1. heat, hotness (of weather/climate)
The quality or degree of hot weather. Derived from the adjective 暑(あつ)い (hot weather). Refers specifically to atmospheric heat, not the temperature of objects.
今年(ことし)の暑(あつ)さは異常(いじょう)だ。
This year's heat is abnormal.
暑(あつ)さに慣(な)れるまで時間(じかん)がかかった。
It took time to get used to the heat.
連日(れんじつ)の暑(あつ)さで体調(たいちょう)を崩(くず)す人(ひと)が増(ふ)えている。
The number of people falling ill due to the consecutive days of heat is increasing.

Usage

Derived from 暑(あつ)い (hot weather) + さ (nominalizer). Refers exclusively to atmospheric/weather heat. For the heat of objects or liquids, use 熱(あつ)さ (from 熱(あつ)い). For thickness, use 厚(あつ)さ (from 厚(あつ)い).

Common collocations

Watch out

  • 暑(あつ)さ: heat of weather (this entry)
  • 厚(あつ)さ: thickness
  • 熱(あつ)さ: heat of an object (hot to the touch)

Related Words

Compare: 炎暑(えんしょ) (scorching heat)
Homophone: 熱(あつ)さ (heat)
Related: 暖(あたた)かさ (warmth)
general
Added 2026.2.23 8:45 · Revised 2026.9.2 13:01
12500/12973_atsusa