Avenal, CA 93249 Frost Dates
When can you plant in Avenal, CA?
Around 02/19 is the usual last spring frost, about 175 days away. The first fall frost typically arrives around 11/29, about 281 frost-free days later.
The USDA Plant Hardiness Zone Map puts Avenal in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 13 weeks of growing season left in Avenal before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
02/19 is the middle of 30 years of NOAA records, not a promise. Plant by 01/21 and you're betting against frost in roughly 9 years out of 10. 03/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Avenal compares
At roughly 281 frost-free days, Avenal places 4,793 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,772 of 2,555.
Learn more
zone vs. frost date covers why Zone 9b and Avenal's frost date answer different questions. the frost range covers how to read the range around Avenal's dates instead of trusting one.