Record Heat in March Across Continental U.S. Linked to Climate Change
• March 2026 was the hottest March on record for the continental U.S., with temperatures significantly above the 20th-century average.
• The record heat is linked to human-induced climate change, with over 19,800 daily temperature records broken.
• The extreme temperatures were accompanied by record dryness, raising concerns about water availability and agriculture.
Record heat in March 2026 due to climate change
In March 2026, the continental United States experienced an unprecedented heatwave, setting a new record for the hottest March ever recorded. The average temperature soared to 50.85°F (10.47°C), surpassing the 20th-century average by 9.35°F (5.19°C). This extreme heat is attributed to human-induced climate change, according to analysis by Climate Central. Meteorologist Guy Walton reported that over 19,800 daily temperature records were broken, with more than 2,000 locations setting new monthly heat records. The National Oceanic and Atmospheric Administration (NOAA) confirmed that this March was the most abnormally hot month in 132 years of recorded history. The combination of extreme temperatures and record dryness has raised concerns about water availability and its impact on agriculture.
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