6 September 2016
The cities in yellow (From NE Regional Climate Center) had the hottest August average temp. on record. It was also very dry in some areas, with well below average rainfall. Washington missed the record by 0.1 degrees F.
Across the country, August was the 21st consecutive month with more record highs than record lows! This itself is a new record. Meteorologist Guy Walton keeps track of this, and in August it was around two to one.
Here is the data from Guy through August 2016, and it speaks for itself: