FrostDateCheck

Montague, CA 96038 Frost Dates

When can you plant in Montague, CA?

Zone 8a

Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/18, about 169 frost-free days later.

Zone 8a (10 to 15°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 Montague, not a forecast for this year.

What to do before the first frost

About 7 weeks of growing season left in Montague before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Montague's last frost

04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Montague compares

At roughly 169 frost-free days, Montague places 29,498 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,402 of 2,555.

Learn more

local microclimates covers what one yard in Montague can differ from the 96038 normal. zone vs. frost date covers why Zone 8a and Montague's frost date answer different questions.