Highest temperature in Munich on August 19?

Platform comparison

Market context

Munich Airport's highest daily temperature on 19 August 2026 will be recorded across a series of discrete Celsius ranges, with settlement determined by the Daily Observations table on Weather Underground rather than summary figures. The market currently shows 0% implied probability across all temperature bands, suggesting either early-stage liquidity or a data feed issue rather than genuine consensus that no temperature will be recorded.

Historical August temperatures at Munich Airport cluster between 24–28 °C on typical days, with extremes reaching 32–35 °C during heat waves. The 2022 European summer saw Munich peak at 35.2 °C in mid-August; the 2003 heat event pushed readings above 37 °C. These precedents establish that mid-range brackets (26–30 °C) carry the highest base-rate frequency, whilst extreme bands above 32 °C occur in roughly one-in-three August years. The current flat probability distribution suggests traders have not yet priced in seasonal norms or recent European weather patterns.

Catalysts include the European summer forecast cycle, typically finalised by late July 2026, and any Atlantic blocking patterns that might drive continental heat northward into Bavaria. Traders should monitor Deutscher Wetterdienst (DWD) seasonal outlooks and real-time synoptic charts from mid-August. USDC settlement occurs post-observation on 19 August at 12:00 UTC; any discrepancy between Weather Underground's Daily Observations and Day High & Low sections will resolve to the former, creating a specific data-source dependency that distinguishes this contract from broader temperature markets.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

UK Frequently Asked Questions

What are crypto prediction markets?

Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.

Why USDC and not ETH or USDT?

USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.