La Mesa, CA 92120 Frost Dates
Frost dates for La Mesa, CA, ZIP 92120
The NOAA station nearest to 92120 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).
How La Mesa compares
About 365 days separate La Mesa's last and first frost, putting it 766 of 40,283 ZIP codes nationally. Within CA, it ranks 325 of 2,555.
Learn more
zone vs. frost date explains why Zone 10b and La Mesa's frost date answer different questions, and local microclimates explains what one yard in La Mesa can differ from the 92120 normal.