Bishop, CA 89047 Frost Dates
89047, near Bishop, CA: the frost window
The last spring frost here typically falls around 04/23, about 238 days from today. Fall's first freeze usually shows up around 10/16, roughly 177 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bishop in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Bishop's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Bishop's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Bishop against the rest of the dataset
About 177 days separate Bishop's last and first frost, putting it 26,117 of 40,283 ZIP codes nationally. Within CA, it ranks 2,348 of 2,555.
Learn more
Two guides worth reading on 89047: the frost range, on how to read the range around Bishop's dates instead of trusting one, and local microclimates, on what one yard in Bishop can differ from the 89047 normal.