Highest temperature in Seoul on June 27?

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Market context

The underlying event is the highest temperature recorded on 27 June 2026 at the Incheon International Airport Station in Seoul, measured in degrees Celsius and resolved via Wunderground data. Historical patterns for late June in Seoul show daytime highs typically ranging from 28°C to 34°C, with the monsoon season beginning to increase humidity and rainfall toward the month’s end. In 2026, the highest maximum temperature recorded so far in June was 34.0°C on 19 June, while the average warmest day in June is around 28°C, suggesting that extreme heat is possible but not guaranteed [1][8][9].

Traders should monitor the Korea Meteorological Administration’s short-range forecasts and any official announcements regarding monsoon intensity, as heavy rain can suppress peak temperatures. Recent climate data indicates that late June often brings hotter, more humid conditions compared to early June, increasing the likelihood of temperatures exceeding 30°C [2]. The resolution depends entirely on Wunderground’s daily record for Incheon Airport, so any data gaps or station-specific anomalies could affect the outcome. No regulatory announcements currently alter the market’s accessibility, but German GlüStV and US CFTC frameworks remain relevant for broader platform compliance. For this specific market, the “no-KYC up to $1,500” threshold means individual traders can participate without identity verification, provided their total exposure stays within that limit, enhancing accessibility while maintaining regulatory alignment.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Seoul on June 27? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket KYC UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 Polymarket KYC UK, 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?

Polymarket KYC UK 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.

What does it cost to trade on Polymarket KYC UK?

Zero. Polymarket KYC UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.