National City, CA 92113 Frost Dates
Frost dates for National City, CA, ZIP 92113
The NOAA station nearest to 92113 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 789 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 337 of 2,555.
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zone vs. frost date explains why Zone 10b and National City's frost date answer different questions, and local microclimates explains what one yard in National City can differ from the 92113 normal.