1. 
(yeo-reum)
Meaning: Summer
[Examples]
(yeo-reum-i-e-yo) / It’s summer.
(yeo-reum jin-jja deop-da) / Summer is really hot.
[Dialogue]
- A:
(eo-tteon gye-jeol-eul jo-a-hae-yo) / What season do you like? - B:
(jeo-neun yeo-reum-eul jo-a-hae-yo) / I like summer.
2. 
(deo-wi)
Meaning: Hot weather or the sensation of heat.
[Examples]
(deo-wi-ga sim-hae-yo) / The heat is intense.
(deo-wi jin-jja sim-ha-da) / The heat is really strong.
[Dialogue]
- A:
(yo-jeum eo-ttae-yo) / How are things these days? - B:
(deo-wi-ga sim-hae-yo) / The heat is intense.
3. 
(mu-deo-wi)
Meaning: Extremely severe heat, often accompanied by high humidity.
[Examples]
(mu-deo-wi-ga gye-sok-dwae-yo) / The extreme heat continues.
(mu-deo-wi neo-mu him-deul-da) / The heat is really exhausting.
[Dialogue]
- A:
(bak-kke eo-ttae-yo) / How is it outside? - B:
(mu-deo-wi-ga sim-hae-yo) / The heat is very strong.
4. 
(pok-yeom)
Meaning: A continuous state of extreme and severe heat / Heatwave.
[Examples]
(pok-yeom-i gye-sok-dwae-yo) / The heatwave continues.
(pok-yeom-i-e-yo) / It’s a heatwave.
[Dialogue]
- A:
(yo-jeum wae i-reoh-ge deo-wo-yo) / Why is it so hot these days? - B:
(pok-yeom-i-e-yo) / It’s a heatwave.
