Poway, CA 92129 Frost Dates
Poway, CA: when does the frost end?
The NOAA station nearest to 92129 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 10a (30 to 35°F average annual minimum).
Poway against the rest of the dataset
About 365 days separate Poway's last and first frost, putting it 896 of 40,283 ZIP codes nationally. Within CA, it ranks 364 of 2,555.
Learn more
Before leaning on 92129's figures: the methodology explains exactly which NOAA and USDA figures feed 92129's numbers, while zone vs. frost date explains why Zone 10a and Poway's frost date answer different questions.