Highest temperature in Hong Kong on June 16?

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Market context

Hong Kong's daily maximum temperature on 16 June 2026 will be recorded by the Hong Kong Observatory and published in their Daily Extract dataset. The settlement hinges on the "Absolute Daily Max (deg. C)" figure for that specific date, measured to one decimal place. Since the market window closes at 12:00 UTC on the settlement date itself, traders have no post-event window to refine positions based on preliminary readings—the official Observatory publication becomes the sole arbiter.

Historical June temperatures in Hong Kong cluster between 28–35°C for daily maxima, though extremes have reached 36–37°C during heat waves. The 0% crowd probability suggests either no active liquidity or genuine uncertainty about which temperature band will resolve. Reviewing the Observatory's climate archive reveals June typically sits in the warm-to-hot range with occasional spikes; comparing 2025 and prior years' June 16 readings provides the most direct calibration for range expectations. A trader automating this market would benefit from pulling historical daily maxima for the same calendar date across multiple years to establish baseline volatility and frequency distribution.

Catalysts centre on seasonal weather patterns and any anomalous systems forming in early June 2026. Tropical cyclone activity, monsoon onset timing, and upper-air pressure configurations drive Hong Kong's mid-June temperatures. The Observatory publishes extended forecasts roughly ten days ahead; traders monitoring their seasonal outlook and any issued heat advisories in early June would gain early signal on whether conditions favour the lower or upper end of the typical range. Programmatic feeds from the Observatory's public data portal allow conditional orders to trigger once the official Daily Extract is published.

Methodology

This page reviews Highest temperature in Hong Kong on June 16? 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 App UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Polymarket App 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's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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, Polymarket App UK triggers a quick verification flow that finishes in minutes.