Cranston, RI 02910 Frost Dates
Cranston, RI: when does the frost end?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/30, roughly 199 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Cranston, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Cranston's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Cranston's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/23 and only about 1 year in 10 sees frost after that.
Cranston against the rest of the dataset
Cranston's growing season runs about 199 days, ranking 17,995 of 40,283 US ZIP codes measured here, longest to shortest. Within RI, it ranks 32 of 79.
Learn more
Before leaning on 02910's figures: the frost range explains how to read the range around Cranston's dates instead of trusting one, while local microclimates explains what one yard in Cranston can differ from the 02910 normal.