March 2017 was the second hottest March ever recorded: NASA
March 2017 was the second warmest March in 137 years of record-keeping, according to a monthly analysis of global temperatures by NASA. March 2016 was the hottest on record, being 0.15ÂºC warmer than this year's March, according to the report. The analysis was assembled from publicly available data acquired by about 6,300 meteorological stations around the world.