July 2026 Becomes Hottest Month in U.S. History
July 2026 has officially been recorded as the hottest month in U.S. history since temperature records began in 1895, according to NOAA (CNN, 2026). The average temperature across the contiguous United States was 3.3°F (1.8°C) above the 20th-century average, surpassing previous records set in July 1936 and July 2012. Heat domes, which trap hot air, were a dominant feature, leading to extreme heat across the East Coast, Plains, and Southwestern states. Wyoming experienced its hottest July and hottest month ever recorded. Over 600 monthly records for maximum and minimum temperatures were broken nationwide. The extreme heat also contributed to large wildfires in the Pacific Northwest and Canada, while Europe faced its hottest summer on record.