Frost dates
Frost dates in Rhode Island
Typical last spring frost and first fall frost for 11 weather stations across Rhode Island, from NOAA’s 1991–2020 climate normals.
Last spring frost
Apr 11 – May 1
Typical across Rhode Island (middle: Apr 22)
First fall frost
Oct 12 – Nov 4
Typical across Rhode Island (middle: Oct 20)
Your own yard can differ by weeks from the nearest town. Get frost dates for your exact spot →
By town
| Station | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|
| Coventry 2 | Apr 22 | Oct 20 | 181 |
| Kingston | May 3 | Oct 8 | 158 |
| Kingston 1 NW | Apr 27 | Oct 15 | 171 |
| Kingston 1 W | May 1 | Oct 12 | 164 |
| N Foster 1 E | Apr 25 | Oct 19 | 177 |
| Newport Rose | Apr 7 | Nov 13 | 220 |
| Newport State Airport | Apr 11 | Nov 4 | 207 |
| Providence T F Green Airport | Apr 11 | Oct 30 | 202 |
| Tiverton | Apr 11 | Nov 2 | 205 |
| Westerly State Airport | Apr 11 | Oct 31 | 203 |
| Woonsocket | Apr 22 | Oct 19 | 180 |
Each date is the median: in half of years the frost comes earlier, in half later. Frost here means a low of 32°F or colder at the station. Low spots and valleys often frost a week or two earlier than these dates; hillsides and city centers later.
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020. The Field almanac also shows how often frost comes early or late, and a reanalysis reading for your exact location.