Warwick, RI 02889 Frost Dates
When can you plant in Warwick, 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.
Warwick 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 Warwick before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/11 isn't a guarantee
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 Warwick compares
At roughly 199 frost-free days, Warwick places 18,002 of 40,283 ZIP codes in this dataset. Within RI, it ranks 39 of 79.
Learn more
zone vs. frost date covers why Zone 7a and Warwick's frost date answer different questions. the frost range covers how to read the range around Warwick's dates instead of trusting one.