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Number of heat wave days in South Korea from 1973 to 2025

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Source

Release date

January 2026

Region

South Korea

Survey time period

1973 to 2024

Supplementary notes

Heat wave days are defined as days when the maximum daily temperature exceeds 33 degrees Celsius.

Date of access was used as the release date.

Citation formats

Number of heat wave days South Korea 1973-2025

Published by Zeynep Dierks, Jan 8, 2026

In 2025, South Korea recorded 29.7 heat wave days, a significant decrease from the previous year. The highest number of heat wave days was recorded in 2018, peaking at ** days, marking a decade high.

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