PHOENIX — High pressure is dominating our forecast, bringing unseasonably warm weather to Arizona.
Valley temperatures are running around 10 to 15 degrees above normal for this time of year.
As this December heat wave continues, temperatures in Phoenix could climb into the low 80s again on Monday. Which would be record-breaking day again.
Overnight lows will drop into the low to mid 50s across the Valley, which is several degrees above normal as well.
In fact, the long-term outlook over the ten days favors warm and dry conditions, but there are now signs that we may see a pattern shift the week of Christmas.
We'll keep you posted as we get closer.
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2025 Sky Harbor Official Rainfall to date: 8.28" (+1.50" from average)
Monsoon 2025 Sky Harbor Official Rainfall: 2.76" (+0.33" from average)
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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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