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Monsoon variability from one summer to the next is substantial, and exceeds the normal monsoon seasonal precipitation at most locations. For example, the normal monsoon precipitation at Tucson, Arizona is 6.06 inches (154 mm). The driest monsoon season measured 1.59 inches (40 mm), and the wettest measured 13.84 inches (352 mm). [13]
The region's trademark dry and sunny weather is interrupted by sporadic Pacific storms in the winter and the arrival of the North American monsoon in the summer. [16] Historically, the monsoon officially started when the average dew point was 55 °F (13 °C) for three days in a row—typically occurring in early July. To increase monsoon ...
While monsoon season officially begins on June 15, the arrival of the North American Monsoon is unpredictable, as it varies from year to year. ... Average dew point ...
After a summer of extreme heat, Arizona’s most populous city is in the record books again. This time Phoenix is notching a record for dry heat. The National Weather Service said Sunday that the ...
The annual North American monsoon, which officially runs from June 15 to Sept. 30, is a notable weather phenomenon for the southwestern United States in any year. But this year, in particular, has ...
Following the driest monsoon season on record in 2020, one of the wettest monsoons on record across the Southwest occurred in 2021. 'Normal to above normal rain' expected for Arizona monsoon ...
The monsoon season occurs toward the end of summer. In July or August, the dewpoint rises dramatically for a brief period. During this time, the air contains large amounts of water vapor. Dewpoints as high as 81 °F (27 °C) [64] have been recorded during the Phoenix monsoon season.
It's no secret that Phoenix is hot, but late summer and the start of fall were scorchers, even by Valley of the Sun standards. Between Sept. 23 and Oct. 14, Phoenix set daily record high ...