Woonsocket, RI 02830 Frost Dates
When can you plant in Woonsocket, RI?
Around 05/01 is the usual last spring frost, about 246 days away. The first fall frost typically arrives around 10/09, about 161 frost-free days later.
The USDA Plant Hardiness Zone Map puts Woonsocket in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 6 weeks of growing season left in Woonsocket before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Woonsocket compares
About 161 days separate Woonsocket's last and first frost, putting it 31,943 of 40,283 ZIP codes nationally. Within RI, it ranks 76 of 79.
Learn more
the frost range covers how to read the range around Woonsocket's dates instead of trusting one. local microclimates covers what one yard in Woonsocket can differ from the 02830 normal.