Highest temperature in Amsterdam on July 30?

Platform comparison

Market context

Amsterdam’s late-July temperature outcome is usually shaped by a fairly narrow summer range rather than extreme heat. Long-run climate data for Amsterdam put average July highs around 21–22°C, with typical daily highs commonly in the upper teens to low 20s Celsius and only occasional days above 30°C.[5][9][11][13] That makes a zero-priced “YES” line understandable only if traders are anchoring to a genuinely hot scenario; in most summers, the more ordinary outcomes sit well below that kind of spike.[1][5]

For comparable framing, Amsterdam’s record heat shows that very high readings are possible but uncommon: sources list the city’s July records in the mid-30s Celsius, including 35.8°C on 1 July 2025 and 36.4°C on 26 July 2019.[14] By contrast, model-style monthly pages from weather sites still show expected late-July highs in roughly the low 20s Celsius, which is consistent with a market that should only jump materially if a continental hot spell reaches the Netherlands.[3][6][11] The current crowd prices on the temperature ladder are clustered around 25–26°C, not the upper tail, which suggests traders are leaning towards a warm but not exceptional reading.[1]

What matters now is the day-of evolution at Schiphol: cloud cover, wind direction, and any marine influence can keep the airport below inland highs, while a clear, still afternoon can let temperatures run up quickly. The market resolves off the highest temperature recorded at Amsterdam Airport Schiphol Station on the day, so late-moving showers or a sea-breeze shift can matter more than earlier warmth.[market description] The key catalyst is the afternoon forecast update cycle and whether the Netherlands remains under a broader European hot pattern; if that weakens, the chance of a top-end reading falls sharply, while a persistent warm ridge would favour the warmer brackets.[3][5][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Amsterdam on July 30?. 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.

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