Highest temperature in Seoul on June 12?

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Market context

Seoul's weather on 12 June 2026 will be measured at Incheon International Airport, the official observation point for the metropolitan region. Early summer in Seoul typically brings warm, humid conditions as the monsoon season approaches, with daytime highs commonly reaching 25–28°C in mid-June, though extremes depend on atmospheric pressure systems and wind patterns from the Pacific.

Historical June temperature records for Incheon show considerable variability. The station has recorded highs exceeding 30°C in some years during this period, whilst cooler systems have kept peaks below 24°C on others. The 0% crowd probability suggests traders are pricing in either an unusually cold system or uncertainty about the specific temperature thresholds offered in the market's resolution brackets. Seasonal norms place mid-range outcomes (26–29°C) as statistically most likely for this date.

The key variable is the position of the North Pacific high-pressure system and any early monsoon activity in early June 2026. Weather forecasts become reliable only 10–14 days before the event, so traders should monitor meteorological agency updates from the Korea Meteorological Administration and international models in late May and early June. Any significant tropical system developing in the Western Pacific could suppress temperatures, whilst a strong ridge of high pressure would elevate them considerably above seasonal average.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Champions League Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Champions League Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Champions League Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Champions League Prediction triggers a quick verification flow that finishes in minutes.