Highest temperature in Munich on July 12?

Platform comparison

Market context

Munich Airport is set to record its peak temperature for 12 July 2026, with current ensemble forecasts from ECMWF and GFS models pointing to a maximum between 27°C and 29°C under partly cloudy skies and modest southerly flow [1]. The crowd-implied probability for a YES outcome on any specific high-temperature contract currently sits at 0%, reflecting a market that has not yet priced in a definitive winner despite tight clustering around 28°C and 29°C [1].

Historical July analogs in Bavaria show daily highs typically hovering near 23°C, though recent short-range runs and extreme heat events—such as Germany’s 41.7°C record earlier this summer—suggest tail risk for higher temperatures if drier, clearer air persists [2][8]. The 28°C outcome now leads at 87% on Polymarket, while Kalshi’s implied odds remain unformed, creating a notable divergence between the two platforms’ pricing efficiency [1].

Traders should monitor real-time updates from Wunderground’s Munich Airport Station, the official resolution source, and watch for any DWD German Weather Service announcements that could revise recorded highs before the 12:00 UTC settlement window closes [1]. With the Met Office forecasting a maximum daytime temperature of 29°C and BBC Weather indicating a high of 28°C for Sunday, the catalyst is the final official datapoint that will lock the market’s resolution [5][6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Munich on July 12? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. 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?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.