Highest temperature in Shanghai on June 13?

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Market context

Shanghai's weather in mid-June sits at the threshold between late spring and early summer monsoon conditions. The city typically experiences temperatures in the high 20s to low 30s Celsius during this period, with humidity rising sharply as the East Asian summer monsoon begins its seasonal advance. Current atmospheric patterns show a developing ridge of high pressure across eastern China, which could suppress temperatures slightly below seasonal norms, though this remains subject to rapid revision as tropical systems track northward from the South China Sea.

Historical records from Shanghai Pudong Airport reveal considerable variability in June extremes. Over the past decade, daily highs on 13 June have ranged from 24°C to 31°C, with the most recent five years clustering around 27–29°C. The 0% crowd probability suggests traders are pricing in either extreme confidence in moderate conditions or uncertainty about which temperature bracket will resolve. Comparable years with similar pre-monsoon pressure patterns produced highs in the 26–28°C range, though individual tropical disturbances can shift outcomes by several degrees within hours.

The critical variable through early June remains the timing and intensity of tropical cyclone activity in the western Pacific. The China Meteorological Administration updates its seasonal forecasts fortnightly, with the next revision due early June. Any tropical system tracking toward the Yangtze River Delta in the days preceding 13 June would introduce moisture and cloud cover, potentially capping daytime highs. Conversely, a stable high-pressure system would allow solar heating to drive temperatures toward the upper end of the seasonal range. Wunderground's historical archive will record the official reading from Pudong Airport's automated weather station.

Methodology

This page reviews Highest temperature in Shanghai on June 13? 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 Prediction Today — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

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