Bishop, CA 89023 Frost Dates
Bishop, CA: when does the frost end?
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/22, roughly 174 days after the last spring frost.
Bishop sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Bishop's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Bishop against the rest of the dataset
At roughly 174 frost-free days, Bishop places 27,460 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,369 of 2,555.
Learn more
Before leaning on 89023's figures: local microclimates explains what one yard in Bishop can differ from the 89023 normal, while zone vs. frost date explains why Zone 8b and Bishop's frost date answer different questions.