Frost dates for Pfafftown, NC
At Pfafftown, the median last spring frost (32°F) is Apr 9 and the median first fall frost is Oct 31, for a typical growing season of 204 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Apr 9Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Oct 31First fall frost (median)50% chance of 32°F by this date
- 204 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 8 | Apr 21 | May 8 |
| 32°F | Mar 25 | Apr 9 | Apr 23 |
| 28°F | Mar 12 | Mar 28 | Apr 12 |
| 24°F | Feb 28 | Mar 18 | Apr 2 |
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 11 | Oct 23 | Nov 2 |
| 32°F | Oct 20 | Oct 31 | Nov 11 |
| 28°F | Oct 28 | Nov 8 | Nov 24 |
| 24°F | Nov 4 | Nov 18 | 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 | 165 days | 184 days | 201 days |
| 32°F | 185 days | 204 days | 224 days |
| 28°F | 206 days | 226 days | 246 days |
| 24°F | 227 days | 248 days | 273 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 |
|---|---|---|---|
| 27040 | 7b | 5 to 10°F | 3 km |
| 27106 | 7b | 5 to 10°F | 4 km |
| 27104 | 8a | 10 to 15°F | 8 km |
| 27050 | 7b | 5 to 10°F | 9 km |
| 27103 | 7b | 5 to 10°F | 12 km |
| 27012 | 7b | 5 to 10°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 USC00316686, at 36.1558, -80.3700, elevation 290 m (950 ft).
- Data quality: Estimated from nearby stations (2+ years), 6 years of freeze data.
- Average days per year at or below 32°F: 98.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Rural Hall (10 km)
- Winston Salem Rynlds Airport (13 km)
- Yadkinville 6 E (16 km)
- Danbury (35 km)
- Lexington (36 km)
- Mocksville 5se (37 km)
- Piedmont Triad Intl Airport (39 km)
- High Point (42 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.
All North Carolina stations · How frost dates are calculated