Frost dates for Worcester 2 W, VT
At Worcester 2 W, the median last spring frost (32°F) is May 4 and the median first fall frost is Oct 5, for a typical growing season of 153 days. For a 90% chance that the last frost has passed, wait until May 18. Nearby ZIP codes are in USDA hardiness zones 4b to 5a.
- May 4Last spring frost (median)50% chance of 32°F after this date
- May 18Safer planting date10% chance of 32°F after this date
- Oct 5First fall frost (median)50% chance of 32°F by this date
- 153 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 | May 3 | May 17 | Jun 2 |
| 32°F | Apr 23 | May 4 | May 18 |
| 28°F | Apr 10 | Apr 23 | May 6 |
| 24°F | Apr 2 | Apr 11 | Apr 23 |
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 | Sep 11 | Sep 25 | Oct 8 |
| 32°F | Sep 21 | Oct 5 | Oct 20 |
| 28°F | Oct 2 | Oct 19 | Nov 3 |
| 24°F | Oct 16 | Nov 1 | Nov 15 |
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 | 110 days | 128 days | 147 days |
| 32°F | 134 days | 153 days | 173 days |
| 28°F | 156 days | 178 days | 198 days |
| 24°F | 182 days | 203 days | 220 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 |
|---|---|---|---|
| 05682 | 5a | -20 to -15°F | 3 km |
| 05648 | 5a | -20 to -15°F | 7 km |
| 05640 | 5a | -20 to -15°F | 8 km |
| 05677 | 5a | -20 to -15°F | 10 km |
| 05650 | 4b | -25 to -20°F | 12 km |
| 05681 | 4b | -25 to -20°F | 19 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 USC00439988, at 44.3747, -72.5822, elevation 414 m (1,360 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 165.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Montpelier 2 (13 km)
- Morrisville 4 SSW (16 km)
- Plainfield (17 km)
- Morrisville Stowe State Airport (18 km)
- Barre Montpelier Airport (19 km)
- Northfield (24 km)
- Mount Mansfield (25 km)
- Waitsfield 2 SE (28 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.