Highest temperature in Sao Paulo on July 6?

Platform comparison

Market context

Sao Paulo experiences its coldest month in July, with average highs around 22°C (72°F) and lows near 13°C (56°F), making extreme heat highly improbable during this period[1]. Historical data confirms July as the coldest month of the year, contrasting sharply with February’s peak average of 28°C (82°F)[1]. While Brazil recorded a national high of 44.8°C in Minas Gerais during a recent heatwave, this extreme occurred far from the city and in a different season, not in July[3]. Even Rio de Janeiro’s record heat index of 62.3°C was an anomaly in March, not reflective of typical July conditions in São Paulo[2]. The current 0% crowd-implied probability for higher temperatures aligns with decades of consistent seasonal patterns, where July rarely exceeds 25°C.

Traders should monitor official Wunderground updates for the Guarulhos International Airport station, as resolution depends solely on the highest recorded temperature at that specific site on 6 July 2026[market description]. No major weather announcements or forecast shifts are expected, given the stable, cool climate typical of early July in São Paulo. Recent historical data from mid-June to early July 2026 shows a peak of only 27°C (80.6°F), reinforcing the low likelihood of a spike[5]. Meteorological officials have not flagged any unusual heat events for the region, and climate models indicate no deviation from the norm[7]. The settlement window closes at 12:00 UTC on 6 July, so real-time data from Wunderground will be the definitive source for resolution[market description]. With no catalysts suggesting a temperature surge, the market remains firmly anchored in seasonal reality.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Sao Paulo on July 6?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

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Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.