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June, July or August could each set a monthly global heat record as El Nino builds. Resolves to which summer 2026 month, if any, finishes as the warmest such month on record globally. Source: Copernicus Climate Change Service.
Official announcement or authoritative source
Market open
May 28, 2026, 03:26 p.m.
Market closes
Sep 18, 2026, 03:26 p.m.
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