Pronóstico: Highest temperature in Seoul on June 29?

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Market context

Seoul is bracing for a June heatwave that could push temperatures toward record-breaking levels, with the Incheon International Airport station serving as the official resolution point for this prediction market. The current crowd-implied probability of 19% for a "YES" outcome suggests traders are cautious about the likelihood of extreme highs, despite a recent surge in heat across South Korea. Historical data shows that June 29 has rarely seen temperatures exceeding 35°C in recent decades, though the broader trend points to increasingly volatile summer conditions.

Recent meteorological records frame the current probability with stark clarity: in June 2025, 59 out of 97 climate stations in South Korea reported new all-time highs for average daily temperatures, with Busan reaching 26.2°C on June 30—the hottest June day since 1904[1]. Seoul itself hit 39.6°C in August 2018, breaking its previous record of 38.4°C that had stood since 1973[7]. The Korea Meteorological Administration confirms that heatwave days are increasing while cold waves are decreasing, with the peninsula’s average temperature rising by approximately 1.5°C over the past century[2]. These patterns suggest that while extreme June heat is not guaranteed, the underlying climate shift makes it more plausible than historical averages would indicate.

Traders should monitor daily weather forecasts from the Korea Meteorological Administration and Wunderground updates for the Incheon station, particularly any announcements of incoming heat domes or monsoon delays that could amplify temperatures[2]. A recent report from Chosun highlights that early heatwaves in June 2025 led to record-setting average temperatures across the country, with Pohang reaching 31.6°C and Gwangju hitting 29°C[1]. If similar conditions develop in 2026, the probability of exceeding the threshold could rise sharply. Key dependencies include the timing of the monsoon season and any sudden shifts in atmospheric pressure that could trap heat over the capital region.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: Highest temperature in Seoul on June 29?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

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FAQ

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