Phoenix’s record-breaking streak of 100-degree days comes to an end
Sep 17, 2024, 2:59 PM | Updated: Sep 18, 2024, 6:10 am
Phoenix's record-breaking streak of 100-degree days came to an end on Sept. 17, 2024, after 113 consecutive days of triple-digit temperatures. (Photo by Mario Tama/Getty Images)
(Photo by Mario Tama/Getty Images)
PHOENIX — It’s finally over. Phoenix’s record-breaking streak of 100-degree days came to an end on Tuesday.
The high temperature only reached 93 degrees, snapping a stretch of 113 straight days of 100-degree weather.
Prior to Tuesday, May 26 was the last time the mercury didn’t reach triple-digit territory at Phoenix Sky Harbor International Airport, which the National Weather Service (NWS) uses for the city’s official readings.
The consecutive streak of 100+°F days in Phoenix is officially over! The high temperature today was 93 degrees, which is 7 degrees below normal for the date. #azwx pic.twitter.com/xRZHMy5XLp
— NWS Phoenix (@NWSPhoenix) September 18, 2024
The run destroyed the previous record streak of 100-degree days in Phoenix, which was 76 in 1993.
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What caused Phoenix’s triple-digit streak?
NWS meteorologist Chris Kuhlman said the lack monsoon storms allowed the triple-digit temperatures to keep coming without a break.
Sky Harbor hasn’t seen any measurable rain since 0.24 inches fell on Aug. 22. That pushed the total for the 2024 monsoon season, which runs annually from June 15 to Sept. 30, to 0.74 inches.
It’s an improvement from the record-dry 2023 monsoon accumulation of 0.15 inches, but it’s still far short of the seasonal average of 2.43 inches.
“We didn’t have the good monsoon moisture this year,” Kuhlman told KTAR News 92.3 FM on Monday morning. “We didn’t have just that one day where we had a lot of storm activity and a lot of moisture come in.”
Phoenix record-breaking heat an ongoing saga
Phoenix experienced its hottest June in history followed by its second-hottest July.
The hottest meteorological summer in Phoenix history — defined as June through August by NWS — also happened this year with an average of 98.9 degrees. That shattered the previous record of 97 degrees from 2023.
The Phoenix temperature also has reached at least 110 degrees 61 times in 2024, another record for a year.
KTAR News 92.3 FM’s Jim Cross contributed to this report.
