Pittsburgh Hot Weather Climate Facts
- Dustin M.
- Jul 24, 2016
- 3 min read
Longest Heatwaves
13 Days July 4-16, 1988
High temperatures: 93, 94, 98, 101, 99, 99, 96, 91, 90, 91, 92, 93, 103
11 Days June 30-July 10, 1878
11 straight days above 90 (exact daily highs not avaliable)
Each day average daily temperature was 80 degrees or higher
10 Days August 8-17, 1988
High temperatures: 91, 94, 93, 96, 92, 94, 96, 90, 89, 100
Most Intense Heatwaves
8 Days July 8-15, 1936
High temperatures: 95, 101, 101, 94, 98, 93, 102, 91
5 Days August 4-8, 1918 4 Days September 5-8, 1881
High temperaures: 94, 101, 103, 101, 93 Highs: 101, 102, 100, 97
Other notable heatwaves
11 Days July 4-14, 1881
Daily average temperature was 80 or higher for 11 straight days.
9 of 10 days June 28 - July 7 2012
Temps at least 90 Highs: 95, 97, 89, 94, 92, 90, 96, 91, 97, 98
8 Days June 13-20, 1994
Record high 6 days in a row (longest string) and in 7 or 8 days:
Highs: 92, {92}, 96, 97, 95, 97, 97, 95 {} not a record
8 Days August 13-20, 1995
High Temperatures: 93, 94, 96, 93, 94, 93, 93, 92
7 Days July 28-August 3, 1995
High temperatures: 91, 90, 92, 92, 94, 94, 96
6 Days July 7-12, 1876 6 straight days above 90 (not avaliable)
5 Days August 21-25, 1936
High temperatures: 98, 95, 95, 90, 93
7 out of 10 days July 22-31, 1999 High temperatures at least 90.
Autumn Heatwaves
5 Days September 18-22, 1895 3 Days November 26-28, 1990
High temperatures: 92, 92, 94, 93, 94 High temperatures: 68, 75, 73
4 Days November 11-14, 1879 3 Days October 14-16, 1897
High temperatures: 76, 73, 73, 76 High temperatures: 86, 87, 87
Winter Heatwaves
4 Days January 20-23, 1906
High temperatures: 66, 74, 75, 66
4 Days December 2-5, 1982
High temperatures: 66, 74, 69, 68
10 Days November 28-December 7, 1998
High temperatures: 63, 66, 68, 60, 62, 63, 63, 64, 70, 68
Spring Heatwaves
11 days March 13 - 23 2012
High Temperatures: 72, 75, 74, 70, 77, 72, 75, 80, 77, 81, 81
5 Days March 12-16, 1990
High temperatures: 78, 78, 79, 80, 71
5 Days April 24-28, 1990
High temperatures: 82, 87, 87, 89, 88
6 Days May 6-11, 2015
High temperatures: 83, 85, 88, 87, 88, 88
4 Days May 19-22, 1911
High temperatures: 92, 92, 92, 93
Highest Temperatures on Record Warmest Days on Record (Highest Mean Temps)
103 Jul 16, 1988
103 Aug 6, 1918 / 92 Aug 6, 1918
103 Jul 10, 1881 / 91 Jul 10, 1881
102 Jul 14, 1936 / 90 Aug 5, 1918
102 Sep 6, 1881 / 90 Jul 1, 1901
101 Jul 7, 1988 / 89 Jul 20, 1930
101 Jul 9, 1936 / 89 Aug 31, 1880
101 Jul 10, 1936/ 88 Sep 7, 1881
101 Aug 5, 1918 / 88 Sep 6, 1881
101 Aug 7, 1918 / 88 Jul 3, 1898
101 Jul 17, 1887 / 88 Jul 9, 1876
101 Jul 18, 1878 / 88 Jul 10, 1936
101 Sep 5, 1881 / 88 Jul 16, 1980
101 Jul 9, N/A / 88 Jul 18, 1878
100 Jul 15, 1995 / 88 Jul 21, 1930
100 Aug 17, 1988 / 88 Jul 25, 1934
100 Jul 4, 1911 / 88 Jul 28, 1901
100 Jul 20, 1878 / 87 Jul 26, 1892
100 Sep 7, 1881 / 87 Jul 14, 1936
100 Sep 10, 1884 / 87 Aug 30, 1880 / 87 Aug 7, 1918/ 87 Jun 22, 1988
(Information Source: http://www.weather.gov/media/pbz/records/heatwaves.pdf
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