Laguna Niguel, CA 92677 Frost Dates
Frost dates for Laguna Niguel, CA, ZIP 92677
The last spring frost here typically falls around 01/06, about 131 days from today. The first fall frost typically arrives around 01/02, about 365 frost-free days later.
Zone 10b (35 to 40°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Laguna Niguel, not a forecast for this year.
What to do before the first frost
Zone 10b around Laguna Niguel has about 18 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 01/06 isn't a guarantee
01/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/11 and you're betting against frost in roughly 9 years out of 10. 12/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Laguna Niguel compares
About 365 days separate Laguna Niguel's last and first frost, putting it 732 of 40,283 ZIP codes nationally. Within CA, it ranks 317 of 2,555.
Learn more
the frost range explains how to read the range around Laguna Niguel's dates instead of trusting one, and local microclimates explains what one yard in Laguna Niguel can differ from the 92677 normal.