Scorching July Sets New National Heat Record as Climate Crisis Intensifies

The United States has just experienced its hottest

The United States has just experienced its hottest July on record, with a series of intense heatwaves across the nation pushing temperatures past all previous highs in the 132-year history of reliable measurement, according to federal scientists.

Data released this week by the National Oceanic and Atmospheric Administration (NOAA) shows that the average temperature across the contiguous US—excluding Alaska and Hawaii—soared 3.3°F (1.8°C) above the 20th-century norm for the month. That margin marks the largest departure from historical averages ever recorded for July.

The relentless heat, which gripped regions from the Pacific Northwest to the Southeast, was not just a statistical anomaly. Meteorologists noted that many cities saw prolonged stretches of triple-digit temperatures, while nighttime lows offered little relief, exacerbating health risks for vulnerable populations and straining power grids.

Scientists emphasize that such extreme warmth is increas…

Scientists emphasize that such extreme warmth is increasingly being amplified by the human-driven climate crisis. Rising greenhouse gas emissions are loading the atmosphere with heat-trapping energy, making record-breaking events like this July more frequent and severe than they would be in a world without extensive fossil fuel use.

The NOAA report also noted that the first seven months of 2024 have collectively ranked among the warmest on record, suggesting that the US could be on track for one of its hottest years ever. This latest milestone adds to a growing body of evidence that the country's climate is shifting into uncharted territory, with implications for agriculture, water supplies, and public health.

While the data is stark, scientists caution that it is not entirely surprising. Global temperatures have been climbing for decades, and this July's US record fits a broader pattern of warming seen across the planet. As one NOAA climatologist put it, "We are rewriting the record books faster than we can update them."