Frost dates for Providence T F Green Airport, RI
At Providence T F Green Airport, the median last spring frost (32°F) is Apr 11 and the median first fall frost is Oct 30, for a typical growing season of 199 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 11Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Oct 30First fall frost (median)50% chance of 32°F by this date
- 199 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 14 | Apr 26 | May 7 |
| 32°F | Apr 1 | Apr 11 | Apr 23 |
| 28°F | Mar 18 | Apr 1 | Apr 11 |
| 24°F | Mar 7 | Mar 21 | Apr 3 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 5 | Oct 18 | Nov 1 |
| 32°F | Oct 16 | Oct 30 | Nov 12 |
| 28°F | Oct 29 | Nov 9 | Nov 26 |
| 24°F | Nov 8 | Nov 22 | Dec 8 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 159 days | 175 days | 191 days |
| 32°F | 183 days | 199 days | 216 days |
| 28°F | 205 days | 221 days | 242 days |
| 24°F | 224 days | 245 days | 267 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 02886 | 7a | 0 to 5°F | 3 km |
| 02888 | 7a | 0 to 5°F | 4 km |
| 02889 | 7a | 0 to 5°F | 5 km |
| 02920 | 7a | 0 to 5°F | 6 km |
| 02910 | 7a | 0 to 5°F | 6 km |
| 02905 | 7a | 0 to 5°F | 8 km |
| 02921 | 6b | -5 to 0°F | 8 km |
| 02907 | 7a | 0 to 5°F | 9 km |
| 02915 | 7a | 0 to 5°F | 9 km |
| 02806 | 7a | 0 to 5°F | 9 km |
| 02909 | 7a | 0 to 5°F | 11 km |
| 02903 | 7a | 0 to 5°F | 11 km |
| 02914 | 7a | 0 to 5°F | 12 km |
| 02912 | 7a | 0 to 5°F | 12 km |
| 02908 | 7a | 0 to 5°F | 13 km |
| 02906 | 7a | 0 to 5°F | 14 km |
| 02918 | 7a | 0 to 5°F | 14 km |
| 02919 | 6b | -5 to 0°F | 14 km |
| 02916 | 7a | 0 to 5°F | 15 km |
| 02771 | 7a | 0 to 5°F | 16 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USW00014765, at 41.7219, -71.4325, elevation 18 m (60 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 109.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Coventry 2 (12 km)
- Tiverton (21 km)
- Newport State Airport (24 km)
- Newport Rose (26 km)
- Kingston 1 NW (27 km)
- Kingston (27 km)
- Kingston 1 W (29 km)
- N Foster 1 E (29 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.