Winooski, VT 05468 Frost Dates
When can you plant in Winooski, VT?
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/20, about 174 frost-free days later.
Winooski sits in USDA Zone 5a (-20 to -15°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.
What to do before the first frost
About 8 weeks of growing season left in Winooski before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Winooski's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winooski compares
About 174 days separate Winooski's last and first frost, putting it 27,426 of 40,283 ZIP codes nationally. Within VT, it ranks 1 of 330.
Learn more
the frost range covers how to read the range around Winooski's dates instead of trusting one. local microclimates covers what one yard in Winooski can differ from the 05468 normal.