NASA considers the summer of 2024 to be the hottest to date. July 22, 2024, was the hottest day on record, according to a NASA analysis of global daily temperature data. July 21 and 23 of this year also exceeded the previous daily record, set in July 2023. These record temperatures are part of a long-term warming trend caused by human activity, primarily greenhouse gas emissions. Crimea recorded its hottest day on record.