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Highest temperature in Wellington on August 11?

"Highest temperature in Wellington on August 11?" on Polymarket, Kalshi and Is Kalshi Legit — what traders need to know about platform choice, KYC and tax law.

12°C 91% 13°C 9% 6°C or below 0% 7°C 0% Volume: $77K Liquidity: $253K Closes: 11 Aug 2026
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Highest temperature in Wellington on August 11?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legit) Pick
polygram.ink (preferred broker)
91% 9% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
91% 9% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
12°C91%
13°C9%
6°C or below0%
7°C0%
8°C0%
9°C0%
10°C0%
11°C0%
14°C0%
15°C0%
16°C or higher0%

Market context

Wellington’s highest temperature on 11 August will be set by the station reading at Wellington International Airport, and the market settles against Weather Underground’s **Daily Observations** table rather than the summary “Day High & Low” panel. That matters because the same day can be shown differently across weather products, while the contract language makes the table the primary source. Seasonal context points to a fairly cool August: long-run Wellington August averages are around 12–13°C for daytime highs, with World Weather Information Service data putting the month’s mean daily maximum at 12.9°C[16], while WeatherSpark and related climatology pages show typical highs near 12°C and only limited spread around that level[7][1].

The current **0% YES** crowd price is consistent with a contract that requires a very specific daily high to land in the chosen temperature band, not merely a warm afternoon by local standards. Comparable August history suggests Wellington often peaks in the low teens Celsius, but records can run higher; one history source cites an August record high of 15.8°C in 2022, while other climatology pages list record August highs in the 13.6°C to 15.8°C range depending on dataset and period covered[11][2]. For probability reading, that means the market is effectively about whether the airport station manages an above-normal warm spike on the day, rather than about the month’s average climate.

For accessibility, a **no-KYC up to $1,500** structure usually means smaller positions can be entered without full identity verification, which broadens participation but does not remove jurisdictional limits. German **GlüStV** rules may still be relevant if the platform or user is deemed to be offering or accessing gambling-like products in Germany, while US **CFTC** reach can matter where a contract is treated as a derivatives product or offered to US persons. On the weather side, the practical catalysts are the Wellington airport observations themselves, plus any forecast updates from major meteorological services that could shift expectations for the afternoon peak; recent history pages show August highs often clustering around the mid-teens Celsius, but day-to-day outcomes can move with wind, cloud and precipitation at the airport[18][8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of Highest temperature in Wellington on August 11? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

FAQ

Do I need to KYC for Is Kalshi Legit?
Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
Can I trade anonymously?
Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legit stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Is there a withdrawal cap?
No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legit would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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