January 2018 was the fifth warmest January on record: NASA
January 2018 was the fifth warmest January in 138 years of modern record-keeping, according to a monthly analysis of global temperatures by NASA. The only months of January warmer than that occurred in 2016 (+1.16Â°C), 2017 (+0.97Â°C), 2007 (+0.95Â°C), and in 2015 (+0.81Â°C). Last month was 0.78Â°C warmer than the average January of the 1951-1980 period, said NASA.