claim: Not only was 2016 the warmest year on record, but eight of the 12 months that make up the year — from January through September, with the exception of June — were the warmest on record for those respective months.
evidence: It is, on average, the coldest month of the year within most of the Northern Hemisphere ( where it is the second month of winter ) and the warmest month of the year within most of the Southern Hemisphere ( where it is the second month of summer ).