Highest temperature in Wellington on July 1?

Platform comparison

Market context

The underlying event is the highest temperature recorded at Wellington International Airport on 1 July 2026, a date that historically falls in New Zealand’s coldest month with average highs near 13°C. Current crowd-implied probability sits at 0% for any temperature exceeding the market’s upper threshold, reflecting the region’s typical winter chill. Historical data from NIWA confirms Wellington (Kelburn) recently reached its all-time maximum of 30.3°C on a summer day, yet July records remain consistently low, with the lowest temperature ever recorded in New Zealand on 1 July 1995 being −8.6°C in Lincoln, Canterbury[1][5].

Traders should monitor real-time weather bulletins from NIWA and Wunderground for any anomalous southerly shifts or heatwave declarations, as these are the primary catalysts that could alter temperature outcomes. While no scheduled political debates or campaign-finance disclosures directly influence weather, sudden meteorological announcements—such as those following the 2013 southerly gust of 37.1 m/s—often precede extreme temperature swings[3]. The market leans heavily on Wunderground’s hourly data as the settlement source, making immediate access to their history page critical for validating any deviation from seasonal norms[1]. Recent news from NZ Herald highlights Wellington’s capacity to break temperature records unexpectedly, underscoring the need for vigilance even in winter months[8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Wellington on July 1? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Election Predictions UK route into the same order book at 0% fees.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.

Which political events have the biggest volume?

US Presidential election, party nominations (DNC/RNC), Senate majorities, individual state outcomes (Pennsylvania, Michigan, Wisconsin), and major European elections. Peak markets reach $50-500M per event.