Low Temperatures of 70 Degrees or Warmer: An Analysis
A typical year in New York sees 37 days with lows in the 70s or 80s, with the first coming around June 4 and the last on Sept. 11. (This is nine days longer than the "season" for 90-degree high temperatures.) In the period 1970-2020, the number of these days has ranged from just 14 in 1992 to 60 in 2005 (2010, the year with the hottest summer, had 55.) The longest streak of lows of 70°+ is 22 days and it occurred twice, in 1980 and 2010. There was also a 21-day streak in 1988. The longest streak of days with lows of 75°+ (which we get eight of each year) occurred in the summer of 2013 when there were eight consecutive days in mid-July.
| MOST & LEAST 70-DEGREE LOWS | |||
| (Since 1970) | |||
| MOST | Days | First | Last |
| 2005 | 60 | June 8 | Oct 7 |
| 2015 | 56 | May 1 | Sept 29 |
| 2010 | 55 | June 4 | Sept 28 |
| 2018 | 54 | May 3 | Oct 10 |
| 1980 | 54 | June 25 | Sept 22 |
| Average | 37 | June 4 | Sept 11 |
| LEAST | Days | First | Last |
| 1992 | 14 | June 8 | Sept 9 |
| 2009 | 18 | July 16 | Aug 26 |
| 2000 | 23 | May 8 | Sept 12 |
| 1975 | 23 | June 19 | Aug 26 |
| 1976 | 24 | April 18 | Aug 28 |
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