Highest temperature in Guangzhou on July 1?

Platform comparison

Market context

On 1 July 2026, the Guangzhou Baiyun International Airport Station will record its peak temperature for the day, a real-world event that determines the outcome of a prediction market with current crowd-implied probability of 0% YES. Historical data shows July is consistently Guangzhou’s hottest month, with daily highs averaging 33°C (91°F) and rarely dipping below 29°C (84°F)[1][5]. Notably, the highest temperature ever recorded in Guangzhou—39.1°C—occurred precisely on 1 July 2004, suggesting the date carries climatic significance for extreme heat[3]. Recent years reinforce this pattern: China experienced its hottest July on record in 2024, with average temperatures reaching 23.21°C, surpassing all prior data since 1961[2][6].

Traders should monitor upcoming meteorological announcements and seasonal climate schedules, particularly those from China’s National Meteorological Centre, which often issue heatwave forecasts ahead of peak summer weeks. A Reuters report from August 2024 confirmed China’s record-breaking July temperatures, underscoring the nation’s growing vulnerability to extreme heat events that could influence 2026 outcomes[6]. The market’s traction correlates directly with funding flows: as deposit fees via Klarna and withdrawal rails like SEPA or USDC become more efficient, book depth increases, reflecting heightened trader confidence in weather-driven volatility. Payment friction remains a key variable; smoother on-ramps correlate with deeper liquidity and more accurate price discovery in temperature-based markets.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Guangzhou on July 1? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.

Resolution & payout

Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).

FAQ

What does SOFORT cost as a deposit method?

Polymarket Klarna UK charges no fees for SOFORT. The only cost is the internal FX spread (typically <1%) on EUR→USDC conversion. SOFORT itself has no end-user fees — the platform absorbs acquirer costs.

Which payment methods are supported?

Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.

Can I deposit with a credit card?

Yes, Visa and Mastercard. Credit card deposits carry a ~2.5% acquirer surcharge (standard for card payments). Apple Pay and Google Pay run on the same card rails — same surcharge.

How do withdrawals work?

Identical methods in reverse. SEPA withdrawal: T+1 (standard) or under 10 seconds (SEPA Instant). Klarna withdrawals process via bank-account refund. USDC withdrawal to external wallet: Polygon gas cost (typically $0.01).

Are payment details protected?

Yes. Card and bank details are never stored by Polymarket Klarna UK — they pass directly through PCI-DSS compliant payment service providers (Adyen, Stripe). Polymarket Klarna UK retains only transaction IDs and Klarna reference numbers for reconciliation.