Wickenburg, AZ 85362 Frost Dates
When can you plant in Wickenburg, AZ?
The last spring frost here typically falls around 03/07, about 191 days from today. The first fall frost typically arrives around 11/20, about 254 frost-free days later.
Wickenburg sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 12 weeks of growing season left in Wickenburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/07 is the middle of 30 years of NOAA records, not a promise. Plant by 02/14 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wickenburg compares
At roughly 254 frost-free days, Wickenburg places 7,022 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 315 of 506.
Learn more
the frost range covers how to read the range around Wickenburg's dates instead of trusting one. local microclimates covers what one yard in Wickenburg can differ from the 85362 normal.