Jun 7, 2024 - News

How many 110° days are in our future?

Illustration of the Phoenix skyline under a hot sun.

Illustration: Brendan Lynch/Axios

We are officially in the stage of the summer when triple digits are the norm for the foreseeable future.

The big picture: The real question is how many times we'll hit (or exceed) the dreaded 110°, which elevates the heat from annoying to dangerous.

The intrigue: We can't change the weather, so we'd figure we'd make an admittedly depressing game out of it instead.

  • Send us your best guess of the number of days through September that will top 110° at Sky Harbor. We'll record the submissions we receive through Monday and celebrate the closest guesser on Oct. 1.

We'll give you a couple of helpful hints:

  • There will be at least one because we hit 110 for the first time yesterday.
  • The average annual number of 110 days from 1991 to 2020 was 21, National Weather Service Phoenix meteorologist Ted Whittock tells us. We hit the mark 55 times last year, a record.
  • Between 1991 and 2020, the average first 110-degree day was June 11 and the last was Aug. 26, per NWS. The latest recorded during that time period was Sept. 19, 2010.

Our guesses:

  • Jessica: 44
  • Jeremy: 47

😅 Stunning stat: 1911 was the only year since recording started in 1896 when Phoenix never hit 110, Whittock said.

  • That year, the hottest temperature was a cool 109.
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