Dorris, CA 96058 Frost Dates
96058, near Dorris, CA: the frost window
The last spring frost here typically falls around 06/05, about 281 days from today. Fall's first freeze usually shows up around 09/20, roughly 107 days after the last spring frost.
Dorris sits in USDA Zone 6b (-5 to 0°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
Dorris's growing season runs out in roughly 3 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
06/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/22 and only about 1 year in 10 sees frost after that.
Dorris against the rest of the dataset
Dorris's growing season runs about 107 days, ranking 39,565 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,508 of 2,555.
Learn more
Two guides worth reading on 96058: zone vs. frost date, on why Zone 6b and Dorris's frost date answer different questions, and the frost range, on how to read the range around Dorris's dates instead of trusting one.