For the old school monsoon trackers in the Valley: #Monsoon2021 is here!
— Jorge Torres (@JorgeTWeather) July 3, 2021
Before Monsoon Season was a set date, meteorologists would determine the beginning of the monsoon when the average dew point in Phoenix was 55° for three straight days. @abc15 #azwx #abc15wx pic.twitter.com/69r5bCdPVm