Cranston, RI 02887 Frost Dates
When can you plant in Cranston, RI?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. The first fall frost typically arrives around 10/30, about 199 frost-free days later.
Cranston sits in USDA Zone 7a (0 to 5°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 9 weeks of growing season left in Cranston before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Cranston's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cranston compares
About 199 days separate Cranston's last and first frost, putting it 17,993 of 40,283 ZIP codes nationally. Within RI, it ranks 30 of 79.
Learn more
local microclimates covers what one yard in Cranston can differ from the 02887 normal. zone vs. frost date covers why Zone 7a and Cranston's frost date answer different questions.