Highest temperature in Wellington on June 25?

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Market context

The underlying event is the daily maximum temperature recorded at Wellington International Airport on 25 June 2026, with the market currently pricing a 0% chance for any outcome other than the 13°C range, which holds 98% frontrunner status[1]. Historical patterns for June at this station show daily highs typically falling between 50°F and 62°F (10°C–17°C), with a recent average high of 54°F (12°C) and a consistent solar energy input of 1.8 kWh[2]. Comparable cases, such as the 16°C peak forecast for 24 June and the 15°C record on 17 June, suggest that while southerly blasts can push temperatures lower, the 13°C range remains the statistically dominant outcome for mid-June[3][7].

Traders should monitor MetService NZ announcements regarding southerly wind shifts, as the agency recently confirmed Wellington has already exceeded its record maximum June temperature with over 19°C recorded earlier in the month[6]. The settlement depends entirely on Wunderground’s daily high data for the NZWN station, meaning any unverified cloud cover or sensor anomalies could alter the final range, though current forecasts remain stable[1]. Accessibility for this market is unaffected by German GlüStV regulatory frameworks or US CFTC reach, as the platform offers no-KYC access for trades up to $1,500, allowing retail participants to engage without identity verification regardless of jurisdictional tax implications.

The 0% probability assigned to non-13°C outcomes reflects a tight consensus that mid-June conditions in Wellington will not deviate significantly from the historical 12°C average, despite the recent record-breaking warmth[2][6]. Dependencies include the precise timing of the MetService southerly forecast and the reliability of the Wunderground sensor, which serves as the sole resolution source for the market[1]. No moralising on trading necessity is required; the facts indicate a high-confidence environment where the 13°C range is the only viable settlement point under current weather models.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on June 25? 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 Tax UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

Polymarket Tax 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 does it cost to trade on Polymarket Tax UK?

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

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 Tax UK triggers a quick verification flow that finishes in minutes.