Rhode Island frost dates
Across 11 weather stations in Rhode Island, the median last spring frost runs from Apr 7 in Newport Rose to May 3 in Kingston, and the first fall frost from Oct 8 to Nov 13.
Rhode Island at a glance
- Weather stations
- 11
- Earliest last frost
- Apr 7 Newport Rose
- Latest last frost
- May 3 Kingston
- Longest season
- 216 days Newport Rose
- Typical season
- about 179 frost-free days
- Hardiness zones
- Zones 6b to 7a
Frost dates by weather station
| Weather station | Last spring frost | First fall frost | Frost-free days | Zone |
|---|---|---|---|---|
| Coventry | Apr 22 | Oct 20 | 179 | 6b |
| Kingston | May 3 | Oct 8 | 159 | 6b |
| Kingston 1 mi NW | Apr 27 | Oct 15 | 171 | 6b |
| Kingston 1 mi W | May 1 | Oct 12 | 163 | 6b |
| Newport Rose | Apr 7 | Nov 13 | 216 | 7a |
| Newport State Airport | Apr 11 | Nov 4 | 206 | 7a |
| North Foster | Apr 25 | Oct 19 | 176 | 6b |
| Providence T F Green Airport | Apr 11 | Oct 30 | 199 | 7a |
| Tiverton | Apr 11 | Nov 2 | 203 | 7a |
| Westerly State Airport | Apr 11 | Oct 31 | 201 | 7a |
| Woonsocket | Apr 22 | Oct 19 | 179 | 6b |
Median dates from NOAA 1991–2020 climate normals. How to read them.