Highest temperature in Hong Kong on June 12?

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Market context

Hong Kong's temperature on 12 June 2026 will be shaped by the onset of the southwest monsoon and pre-summer heat patterns typical of early June in the territory. The Hong Kong Observatory's historical records show June temperatures typically peak between 28–32°C, though extremes occasionally exceed 33°C during heat waves or when tropical systems approach. Current meteorological positioning suggests no exceptional heat drivers are yet evident for that specific date, which explains the crowd's cautious stance.

Comparable June days from recent years provide useful anchoring. In June 2023, Hong Kong recorded daily maxima ranging from 27–31°C across the month, with no exceptional spikes. The 2015 heat wave saw June peaks reach 34°C on isolated dates, but such events remain statistical outliers. The settlement window closes at midday on 12 June, meaning the Observatory's final daily extract—typically published within 48 hours of the observation period—determines resolution. Traders should note that the Observatory's absolute daily maximum is measured to one decimal place, making precise range boundaries critical.

Catalysts to monitor include tropical cyclone activity in the western Pacific (tracked via the Japan Meteorological Agency and regional forecasts) and upper-air ridge positioning, both of which can drive anomalous heat. The southwest monsoon's intensity and arrival timing will be observable through mid-May forecasts. No scheduled announcements directly influence this market; resolution depends entirely on actual atmospheric conditions and the Observatory's published data feed.

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 Prediction Today, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

On Prediction Today, 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.

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?

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Do I need to KYC for this market?

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