PHOENIX — High pressure remains put over the region for the start of the week and will keep us hot and dry for the next few days.
Afternoon temperatures will still be a few degrees above average. Look for a high of 100 degrees in Phoenix on Monday, with highs reaching the upper 90s on Tuesday and then down to the low 90s by Thursday.
Winds will remain breezy to gusty across our state this week.
Phoenix has reached highs at 100 degrees or hotter for 125 days so far this year, and it looks like we're going to add several days to that count during this stretch. The average number of days that are that hot each year is 111 days. The all-time record number of days at 100 degrees or more stands at 145 days, set back in 2020.
Monsoon 2023 officially ended on September 30th and it's going down as the driest on record with only 0.15 inches of rain at Phoenix Sky Harbor. The previous record was set back in 1924 when we measured 0.35 inches of rain that season. It was also the second driest monsoon on record for all of Maricopa County.
Phoenix hit 110 degrees or hotter 55 days this year, breaking the old record of 53 days set in 2020.
Phoenix also reached a high of 115 degrees or hotter 22 days this year. That too is a new all-time record, topping the previous one of 14 days set in 2020.
When it comes to overnight temperatures, Phoenix had 35 days this year with lows in the 90s. The previous record was 28 days set in 2020.
September 10th this year also marked the latest day in any year with a low in the 90s. Previously the record was September 7, 2019.
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2023 Rainfall totals:
Sky Harbor Official Rainfall: 3.03" (-2.45" from average)
Valley Average (Phoenix Rainfall Index): 4.16"
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Daily rainfall reports from all across the Valley can be found here.
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PHOENIX IS GETTING DRIER - LOWER RAINFALL AVERAGES NOW
Average Monsoon Rainfall in Phoenix (1981-2010): 2.71" of rain
NEW Average Monsoon Rainfall in Phoenix (1991-2020): 2.43" of rain
Average Yearly Rainfall in Phoenix (1981-2010): 8:03" of rain
NEW Average Yearly Rainfall in Phoenix (1991-2020): 7.22" of rain
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