January 2015 ..... Second Hottest January in global record
January 2015 was 0.75 degrees C above the global 20th Century average, about 0.95 degrees C above 1880s levels.

Over the Earth as a whole temperatures were second-highest, atmospheric temperatures in the northern hemisphere of the planet were the highest ever recorded for the month of January during the era of satellite monitoring, which dates back to 1979.

Over the Earth as a whole temperatures were second-highest, atmospheric temperatures in the northern hemisphere of the planet were the highest ever recorded for the month of January during the era of satellite monitoring, which dates back to 1979.