Loyalton, CA 96105 Frost Dates
96105, near Loyalton, CA: the frost window
Around 05/21 is the usual last spring frost, about 266 days away. Fall's first freeze usually shows up around 10/01, roughly 130 days after the last spring frost.
Zone 7a (0 to 5°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 Loyalton, not a forecast for this year.
Stretching the season past the first frost
Loyalton's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/11 and only about 1 year in 10 sees frost after that.
Loyalton against the rest of the dataset
At roughly 130 frost-free days, Loyalton places 38,399 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,472 of 2,555.
Learn more
Two guides worth reading on 96105: zone vs. frost date, on why Zone 7a and Loyalton's frost date answer different questions, and the frost range, on how to read the range around Loyalton's dates instead of trusting one.