Lemon Grove, CA 92115 Frost Dates
92115, near Lemon Grove, CA: the frost window
The NOAA station nearest to 92115 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).
Lemon Grove against the rest of the dataset
At roughly 365 frost-free days, Lemon Grove places 1,140 of 40,283 ZIP codes in this dataset. Within CA, it ranks 489 of 2,555.
Learn more
Two guides worth reading on 92115: zone vs. frost date, on why Zone 10b and Lemon Grove's frost date answer different questions, and local microclimates, on what one yard in Lemon Grove can differ from the 92115 normal.