Highest temperature in Guangzhou on June 27?

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Market context

Guangzhou is currently experiencing a period of intense subtropical heat and humidity, with recent May records showing temperatures climbing to 36.3°C, marking it as the hottest May in history[5]. However, the current crowd-implied probability of 0% for a specific high-temperature range on 27 June 2026 aligns with the seasonal shift towards heavy precipitation. Historical data indicates that June is one of the wettest months in the city, averaging 280mm of rainfall and featuring frequent thunderstorms that suppress peak temperatures[1]. While the absolute historical high for June reaches 36.6°C, the typical daily high in June averages around 32°C, often tempered by the heavy downpours and typhoons common in this period[1][2].

The primary catalyst for traders to monitor is the immediate weather forecast for 27 June, which currently predicts a thunderstorm with heavy rain and a maximum temperature of only 31°C[4]. This forecast directly contradicts any scenario requiring extreme heat, explaining the market's zero probability for higher ranges. Traders should watch for official updates from Wunderground, the designated resolution source, as any sudden shift from the predicted storm to clear skies could alter the outcome, though such a change is statistically unlikely given the subtropical high-pressure influence and typical June patterns[1][4]. The presence of continuous sunny days recently, as seen in May, has not persisted into June, reinforcing the likelihood of cooler, rain-soaked conditions on the settlement date[5].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Guangzhou on June 27? 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 Champions League Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

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