Pronóstico: Highest temperature in Seoul on July 5?

Platform comparison

Market context

Seoul is experiencing its most severe early-July heatwave in 117 years, with temperatures reaching 37.7°C and shattering previous records for the date. This extreme thermal event has driven the crowd-implied probability of a lower temperature range to 0%, reflecting a consensus that the heat will persist or intensify rather than cool significantly before the settlement window closes on 5 July 2026.

Historical data frames this current probability as a near-certainty, given that July 2025 was the second-hottest July on record with an average of 27.1°C, while the hottest July ever occurred in 1994 at 27.7°C [1]. Recent records show Seoul rarely falling below 74°F (23.3°C) or exceeding 91°F (32.8°C) in daily highs, yet the current spike to 37.7°C represents a deviation far beyond typical variance, making a return to cooler norms statistically improbable [2].

Traders must monitor the Korea Meteorological Administration’s daily forecasts for any sudden shifts in monsoon patterns or cloud cover that could disrupt the heat dome, though no such cooling systems are currently predicted [3]. The primary catalyst remains the sustained solar energy input, which remains essentially constant at 5.8 kWh throughout July, ensuring continued thermal accumulation without significant atmospheric interference [2]. Any announcement regarding emergency heat alerts or infrastructure strain would further validate the 0% probability, as the region is already enduring its longest stretch of tropical nights in 117 years [8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: Highest temperature in Seoul on July 5?. 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).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

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