Global temperature anomalies for October from 1940 to 2023 can be seen as bars. The anomalies are the changes in comparison to the average temperature from 1991 to 2020. October 2023 was the warmest ever recorded. It was 0.85℃ warmer. Since the early 2000s the anomalies are warmer, before they are colder. They have been around +0.5℃ during the last years, so October 2023 is way higher.