Global_October2021tempanom_map_graph_v3.png

(top) Surface temperatures in October 2021, with places that were warmer than the 1981-2010 average in red, and places that were cooler than average in blue. (bottom) October temperatures from 1880–2021, with red bars for warmer-than-average years, blue bars for cooler-than-average year, and a dashed red line for the long-term warming trend. October 2021 was the 442nd month in a row with temperatures at least nominally above the twentieth-century average. NOAA Climate.gov image, based on data from NOAA's National Centers for Environmental Information.