Monsoon 2024 was hottest on record in Phoenix
PHOENIX (AZFamily) — Monsoon season is officially over, and the numbers are in. For Phoenix, it was the hottest and seventh driest monsoon on record.
The monsoon season in Arizona starts on June 15 and ends on Sept. 30. Rainfall during this period was the driest on record last year with a total of only 0.15 inches at Sky Harbor Airport. Some people even refer to last year as a “non-soon.”
For 2024, rainfall was heathier than last year but still not great with only 0.74″ measured. This puts 2024 in a tie with 2007 for the seventh driest monsoon on record for Phoenix.

Unfortunately, the heat was on and stayed on for the 2024 monsoon. For Phoenix, it was the hottest monsoon on record with an average of 98.3 degrees at Sky Harbor Airport. The second hottest monsoon on record was last year with an average temperature of 96.9 degrees.

We’ve had quite a few dry monsoons over the past few years. Notice in the chart of the past 20 monsoons below, there has been only one year since 2019 with above average rainfall. That was in 2021 with 4.20 inches of rainfall, which is above the average of 2.43 inches.

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