Orange, CA 92868 Frost Dates
Orange, CA: when does the frost end?
The NOAA station nearest to 92868 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 10b (35 to 40°F average annual minimum).
Orange against the rest of the dataset
At roughly 365 frost-free days, Orange places 417 of 40,283 ZIP codes in this dataset. Within CA, it ranks 160 of 2,555.
Learn more
Before leaning on 92868's figures: local microclimates explains what one yard in Orange can differ from the 92868 normal, while the methodology explains exactly which NOAA and USDA figures feed 92868's numbers.