Highest temperature in Hong Kong on June 16?

Platform comparison

Active sub-markets

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 climate dataset. The settlement hinges on the Observatory's official "Absolute Daily Max (deg. C)" figure, rounded to one decimal place, which typically becomes available within days of the observation date. This is a straightforward factual resolution against a single authoritative source with no discretion in measurement.

June in Hong Kong sits at the threshold of the southwest monsoon season, with historical daily maxima in mid-June typically ranging between 29–32°C. The 0% crowd probability suggests either a technical market setup issue or genuine uncertainty about which temperature band will resolve. Reviewing the Observatory's climate normals for this period provides a baseline: the 30-year average daily maximum for mid-June hovers around 31°C, with observed extremes rarely exceeding 34°C on this specific date historically. Traders building conditional orders or bot-driven monitoring should anchor expectations to this 29–33°C range as the modal outcome.

Programmatic traders should note that the Hong Kong Observatory publishes preliminary data within 24 hours but finalises Daily Extract records with a lag of several days. Any automated resolution checking should account for this publication schedule rather than treating the settlement window close as immediate data availability. Tropical cyclone activity, though uncommon in mid-June, remains a low-probability catalyst that could push temperatures downward through cloud cover and precipitation. Standard weather forecasts from the Observatory become increasingly reliable 7–10 days before the date, making late-May monitoring the practical window for position refinement.

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 Bot UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Bot 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.

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.

What does it cost to trade on Polymarket Bot UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Bot UK triggers a quick verification flow that finishes in minutes.