NOAA said July 2026 matched July 2024 as the hottest July in records dating to 1850, while NASA ranked it outright hottest and Copernicus second-hottest.
21.05°C daily sea-surface temperature by late July was just 0.04°C below the March 2024 all-time high, helping drive the warmest July on record for oceans and the third-warmest for land.
North America, Africa and Asia logged their hottest July on record, and the United States posted its hottest month ever, surpassing the Dust Bowl-era record from 1936.
NOAA's statistical outlook gives 2026 a 99.9% chance of finishing among the four warmest years, though it does not fully capture a strengthening El Niño that could push annual temperatures even higher.
29 billion-dollar weather disasters caused $104 billion in global losses in January-June, underscoring how persistent heat is unfolding alongside costly climate-linked extremes.
If July 2026 pushed the planet to the brink, what happens to global weather when the developing El Niño fully unleashes its power?
As global oceans shatter historical temperature records, will our critical infrastructure survive the extreme heatwaves predicted for the rest of 2026?
With a super El Niño brewing, could the catastrophic $104 billion climate losses in early 2026 be a mild preview of upcoming disasters?
July 2026 Heatwave: Global Temperature Records, Ocean Warming, and the Escalating Cost of Climate Change
Overview
In July 2026, human-driven greenhouse gas emissions and climate change pushed global temperatures to near-record highs, with the global average surface air temperature reaching 16.90°C. This warming, combined with a rapidly intensifying El Niño, led to unprecedented ocean heat, record marine heatwaves, and severe impacts on fisheries and biodiversity. In Western Europe, persistent high-pressure systems and dried soils triggered deadly heatwaves, water shortages, and massive wildfires. These extremes fueled humanitarian crises in vulnerable regions like the Sahel and Central America, while also straining financial systems and exposing gaps in climate adaptation and funding worldwide.