Yeosu, in Jeollanam-do, South Korea, is home to roughly 269,000 people in the Korea Standard Time zone at 34.8°N latitude.
In 2025, Yeosu recorded an average annual temperature of 59°F. The hottest temperatures reached 93°F in July; the coolest were 16°F in January. Total precipitation for the year was 52 inches, with the wettest month being August.
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