The average global sea surface temperature (SST) for February 2024 over 60°S-60°N was 21.06°C, the highest for any month in the data set, above the previous record of August 2023 (20.98°C). Sea surface temperature is defined over the global extrapolar ocean, from 60°S to 60°N. This is used as a standard diagnostic for climate monitoring. The average daily SST reached a new absolute high of 21.09°C at the end of the month.