When is the first freeze in Phoenix, AZ?
Freezing nights are rare in Phoenix. NOAA's 1991-2020 climate normals for PHOENIX SKY HARBOR INTL AP, AZ US give a 17.5% chance of a 32°F night in a given year. In years when it does freeze, the middle date for the first freeze is about Jan 3.
| First fall freeze (32°F), middle date | Jan 3 |
|---|---|
| First hard freeze (28°F), middle date | Not given by NOAA for this station |
| Last spring freeze (32°F), middle date | Jan 5 |
| Chance of a 32°F night in a year | 17.5% |
| Weather station | PHOENIX SKY HARBOR INTL AP, AZ US (USW00023183) |
The middle date is NOAA's 50% date. In about half of years the first freeze comes sooner, and in half it comes later. One station can differ from nearby areas, mostly low or rural spots. Dates change each year, so check the latest National Weather Service forecast.
For HVAC and plumbing shops in Phoenix
ForecastBooked watches the NWS forecast for the ZIPs you serve. When the first freeze is really in the forecast, a ready-to-send email, text, Google post and social post for your customers appears on your kit page. Pro and up also get a graphic.
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NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020, annual/seasonal normals, station USW00023183: fields ANN-TMIN-PRBFST-T32FP50, ANN-TMIN-PRBFST-T28FP50, ANN-TMIN-PRBLST-T32FP50, ANN-TMIN-PRBOCC-LSTH032. https://www.ncei.noaa.gov/data/normals-annualseasonal/1991-2020/access/USW00023183.csv. ForecastBooked is not affiliated with or endorsed by NOAA.