August was world's joint-hottest month on record, scientists say ↧ ↧ August was world's joint-hottest month on record, scientists say The world just experienced its joint-hottest month since records began, with August pushing the planet's average global ‌temperature to more than 1.5 degrees Celsius (2.7 degrees Fahrenheit) above pre-industrial levels, the EU's Copernicus Climate Change Service (C3S) said on Thursday.