Highest temperature in Seoul on July 20?

Platform comparison

Market context

Seoul’s highest temperature on 20 July 2026 will be recorded at Incheon International Airport, with the market resolving to the Celsius range containing that peak. Historical July data shows Seoul typically hits highs around 28°C, with lows near 21°C, making extreme outliers above 35°C uncommon but not impossible during heatwaves [1]. The current 0% crowd-implied probability for the highest range suggests traders expect conditions to stay within moderate bounds, consistent with the city’s summer average rather than a record-breaking spike.

Traders should monitor real-time weather updates from Wunderground for the Incheon station, as the market resolves strictly on that source’s daily maximum [1]. Key catalysts include any sudden shifts in monsoon patterns or regional heat advisories from South Korea’s meteorological agency, which could push temperatures higher. While no specific news announcement has been issued yet for 20 July 2026, seasonal forecasts from early 2026 indicated a likely warm summer, supporting the current low probability of extreme heat.

The market’s liquidity ties directly to funding flows enabled by Klarna on-ramps and SEPA withdrawals, which reduce friction for UK traders depositing in USDC. As payment rails streamline entry, book depth expands, allowing tighter spreads on temperature ranges. This infrastructure-driven traction means the 0% probability reflects not just weather expectations but also the efficiency of capital deployment through these payment channels, where faster deposits correlate with more aggressive positioning on moderate outcomes.

Sources: 1

Methodology

This page compares Highest temperature in Seoul on July 20? 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

How does Klarna deposit work on Polymarket Klarna UK?

You enter the deposit amount in EUR/GBP, choose Klarna as the method, run through Klarna's standard authentication (Pay Later or Direct Bank Transfer), and Polymarket Klarna UK converts internally to USDC for the Polymarket order book. Processing: typically under 30 minutes.

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.

How fast is SEPA deposit?

SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.

What's the minimum deposit?

10 EUR / 10 USD equivalent. No upper limit, but deposits over $1,500 lifetime volume trigger a quick KYC flow (typically 5-10 minutes).

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).