March breaks another heat record March was the tenth month in a row to be ranked the warmest on record, with an average surface air temperature of 14.14°C – 1.68°C warmer than the March average for 1850-1900 GLOBAL SURFACE AIR TEMPERATURE ANOMALIES (°C) 2.0 1.5 1.0 0.5 0 Mar 2024: Average temperature 0.73°C above 1991-2020 average for March Previous years 2023 Key 2020s 2010s 2000s 1990s 1980s 1970s 1960s 1950s 1940s Pre-industrial level (1850-1900) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec MARCH ANOMALIES Pacific Ocean El Niño weather phenomenon warms ocean Atlantic Ocean Pacific Ocean Southern Ocean Indian Ocean -9 -6 -4 -2 0°C 2 4 6 9 Sources: Reuters, Copernicus, ECMWF © GRAPHIC NEWS