Frost dates for Montebello Fish Cultural Station, VA
At Montebello Fish Cultural Station, the median last spring frost (32°F) is May 2 and the median first fall frost is Oct 13, for a typical growing season of 162 days. For a 90% chance that the last frost has passed, wait until May 21. Nearby ZIP codes are in USDA hardiness zone 7a.
- May 2Last spring frost (median)50% chance of 32°F after this date
- May 21Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 162 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 29 | May 13 | May 28 |
| 32°F | Apr 19 | May 2 | May 21 |
| 28°F | Apr 7 | Apr 23 | May 7 |
| 24°F | Mar 25 | Apr 9 | 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 20 | Oct 3 | Oct 16 |
| 32°F | Oct 1 | Oct 13 | Oct 27 |
| 28°F | Oct 10 | Oct 24 | Nov 4 |
| 24°F | Oct 19 | Nov 2 | 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 | 120 days | 141 days | 161 days |
| 32°F | 143 days | 162 days | 181 days |
| 28°F | 162 days | 184 days | 203 days |
| 24°F | 186 days | 206 days | 228 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 |
|---|---|---|---|
| 24464 | 7a | 0 to 5°F | 3 km |
| 22976 | 7a | 0 to 5°F | 7 km |
| 24483 | 7a | 0 to 5°F | 10 km |
| 22967 | 7a | 0 to 5°F | 11 km |
| 24472 | 7a | 0 to 5°F | 13 km |
| 22952 | 7a | 0 to 5°F | 14 km |
| 24476 | 7a | 0 to 5°F | 17 km |
| 24415 | 7a | 0 to 5°F | 17 km |
| 24440 | 7a | 0 to 5°F | 18 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 USC00445690, at 37.8444, -79.1303, elevation 813 m (2,667 ft).
- Data quality: Estimated from nearby stations (2+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 135.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lexington (28 km)
- Tye River 1 SE (29 km)
- Waynesboro Water Plant (34 km)
- Staunton Water Plant (36 km)
- Lynchburg #2 (52 km)
- Free Union (55 km)
- Charlottesville 2w (57 km)
- Lynchburg Regional Airport (59 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.