FrostDateCheck

Mission, TX 78572 Frost Dates

78572, near Mission, TX: the frost window

Zone 10a

Around 01/09 is the usual last spring frost, about 134 days away. Fall's first freeze usually shows up around 01/03, roughly 365 days after the last spring frost.

Mission sits in USDA Zone 10a (30 to 35°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

Mission's growing season runs out in roughly 18 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

01/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/17 and only about 1 year in 10 sees frost after that.

Mission against the rest of the dataset

At roughly 365 frost-free days, Mission places 595 of 40,283 ZIP codes in this dataset. Within TX, it ranks 17 of 2,558.

Learn more

Two guides worth reading on 78572: zone vs. frost date, on why Zone 10a and Mission's frost date answer different questions, and the frost range, on how to read the range around Mission's dates instead of trusting one.