This October was the hottest on record globally, 1.7 degrees Celsius (3.1 degrees Fahrenheit) warmer than the pre-industrial average for the month — and the fifth straight month with such a mark in what will now almost certainly be the warmest year ever recorded.
October was a whopping 0.4 degrees Celsius (0.7 degrees Fahrenheit) warmer than the previous record for the month in 2019, surprising even Samantha Burgess, deputy director of the Copernicus Climate Change Service, the European climate agency that routinely publishes monthly bulletins observing global surface air and sea temperatures, among other data.
