100 Degree Weather Temperature Days in Boston History
They have been keeping weather temperature data in Boston, Massachusetts since 1872. Since that time their have been a total of 22 days when the temperature reached or exceeded 100 degrees
Only twice in Boston history has there been any date when the temperature reached 100 degrees more than once. And it just occurred on July 22, 2011. On that date the temperature reached 103 degrees in Boston. On July 22, 1926 the temperature also reached the exact same 103 degrees.
Very odd to say the least, as 103 degrees is the second highest all-time temperature in Boston history. For that number to be reached on the exact same day of the month as the only date in Boston history to have multiple 100 degree days is a huge statistical oddity.
The all-time hottest temperature in Boston is 104 degrees, which was reached on July 4, 1911. The all-time hottest temperature ever recorded in Massachusetts is 107 degrees, which was recorded on August 2, 1975 in both Chester and New Bedford.
100 Degree Weather Temperature Days in Boston History by Month
May - 0
There has never been a 100 degree day in Boston history. The hottest temperature ever recorded in Boston in May is 97 degrees, which occurred on May 26, 1880.
June - 2 out of 30 days the temperature reached 100 degrees
Only twice in Boston history since 1873 has the temperature reached 100 degrees in the month of June. Those two dates were June 6, 1925 and June 26, 1952. So the earliest day that Boston has ever had a 100 degree day is June 6.
July - 10 out of 31 days
The weather gets much hotter in Boston in July as 10 out of the 31 days in the month have seen a 100 degree day. The hottest weather temperature day in Boston history occurred on July 4, 1911, when the mercury reached 104 degrees.
August - 7 out of 31 days
The month of August has experienced seven 100 degree days in Boston. The hottest it has ever been in August in Boston is 102 degrees, which occurred on August 2, 1975.
September - 2 out of 30 days
Just twice in the month of September has the temperature reached 100 degrees in Boston. On September 2, 1973 the temperature was 100 degrees, and on September 7, 1881 the mercury reached 102 degrees in Boston.
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