National City, CA 92102 Frost Dates
When can you plant in National City, CA?
The NOAA station nearest to 92102 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 National City compares
National City's growing season runs about 365 days, ranking 788 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 336 of 2,555.
Learn more
local microclimates covers what one yard in National City can differ from the 92102 normal. the methodology covers exactly which NOAA and USDA figures feed 92102's numbers.