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Monthly Temperature Ranges in New York City (1970 - 2020)



A typical month in New York experiences a 45-degree range in temperature between its coldest and warmest reading.  The range has been as small as 24 degrees (July 2004) and as great as 72 degrees (April 2002).  March, on average, sees the largest temperature range (52 degrees) while August has the smallest (35 degrees).  Some other observations:


  • About 1/4 of of the months since 1970 have experienced their coldest and warmest temperature within a week of each other.  2014 had the most such months - nine. 
  • On average, one month each year has its warmest and coldest temperatures occur within three days of each other.  (The last time this happened was in August 2014.)  The most dramatic occurred in April 1977 when the warmest temperature, 90°, came just three days after the month's coldest temperature of 25°.    
  • On an annual basis the average coldest reading is 9° and the hottest is 96°, a range of 87 degrees.  1977 had the greatest spread, 106 degrees (-2° to 104°), while 1998 and 2002 had the smallest, 79 degrees (14° and 93°, and 19° to 98°, respectively). 
  • There have been five instances when a month's highest and lowest temperatures, respectively, occurred on the first and last day of the month.  The last time it occurred was in June 2009. 


The following chart shows each month's average temperature range as well as its average coldest and warmest temperature.


Month Range Min Max
Jan 50° 9 59
Feb 49° 12 61
Mar 52° 19 71
Apr 51° 32 83
May 45° 43 88
June 39° 53 92
July 36° 60 96
Aug 35° 59 94
Sept 41° 48 89
Oct 42° 37 79
Nov 44° 28 71
Dec 45° 17 62
Full Year 87° 9 96




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Benny R.

Occasionally, in a year there are months that have either their lowest temperature or highest temperature more than once. What are the average times per year of that happening? And what are the most times that the lowest or highest temperature has occurred in a month? One example that I can think of is April 1878 which has their lowest temperature happen in six dates (4/1, 4/3, 4/4, 4/5, 4/17, 4/18) even though this post only focuses on the years since 1970.

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