the first three weeks of July have been the warmest three-week period on record and the month is on track to be the hottest July and the hottest month on record. These temperatures have been related to heatwaves in large parts of North America, Asia and Europe, which along with wildfires in countries including Canada and Greece, have had major impacts on people’s health, the environment and economies.
“For vast parts of North America, Asia, Africa and Europe — it is a cruel summer. For the entire planet, it is a disaster. And for scientists, it is unequivocal — humans are to blame. All this is entirely consistent with predictions and repeated warnings. The only surprise is the speed of the change,” said Mr Guterres.
WMO consolidates data from C3S and five other international datasets for its climate monitoring activities and its State of the Climate reports. “The extreme weather which has affected many millions of people in July is unfortunately the harsh reality of climate change and a foretaste of the future,” said World Meteorological Organization’s Secretary-General Prof. Petteri Taalas. “The need to reduce greenhouse gas emissions is more urgent than ever before. Climate action is not a luxury but a must.”
Ranking of the top 30 warmest days in the ERA5 dataset based on globally averaged surface air temperature. Days in July 2023 are highlighted in bold. Data: ERA5. Credit: C3S/ECMWF.According to the ERA5 dataset, the global mean surface air temperature averaged for the first 23 days of July 2023 was 16.95°C. This is well above the 16.63°C recorded for the full month of July 2019, which is currently the warmest July and warmest month on record.