The Japanese Meteorological Agency and the World Meteorological Organization said the world has just gone through its hottest week on record. Eleven of the first dozen days in July were hotter than ever on record, according to an unofficial and preliminary analysis by University of Maine’s Climate Reanalyzer. July is usually the hottest month of the year, and the record for July and the hottest month of any year is 62.08 degrees (16.71 degrees Celsius) set in both July 2019 and July 2021. That’s because it’s likely only to get hotter. Berkeley Earth’s Robert Rohde said his group figures there’s an 80% chance that 2023 will end up the hottest year on record. NOAA says there’s a 20% chance that 2023 will be the hottest year on record, with next year more likely, but the chance of a record is growing and outside scientists such as Brown University’s Kim Cobb are predicting a “photo finish” with 20 for the hottest year on record. The first half of 2023 has been the third hottest January through June on record, behind 20, according to NOAA. The increase over the last June’s record is “a considerably big jump” because usually global monthly records are so broad based they often jump by hundredths not quarters of a degree, said NOAA climate scientist Ahira Sanchez-Lugo.

Other weather monitoring systems, such as NASA, Berkeley Earth and Europe’s Copernicus, had already called last month the hottest June on record, but NOAA is the gold standard for record-keeping with data going back 174 years to 1850. June’s 61.79 degrees (16.55 degrees Celsius) global average was 1.89 degrees (1.05 degrees Celsius) above the 20th Century average, the first time globally a summer month was more than a degree Celsius hotter than normal, according to NOAA. National Oceanic and Atmospheric Administration announced Thursday. An already warming Earth steamed to its hottest June on record, smashing the old global mark by nearly a quarter of a degree (0.13 degrees Celsius), with global oceans setting temperature records for the third straight month, the U.S.

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