Frost dates for Waynesville 2 W, MO
At Waynesville 2 W, the median last spring frost (32°F) is Apr 15 and the median first fall frost is Oct 21, for a typical growing season of 185 days. For a 90% chance that the last frost has passed, wait until May 2. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 15Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 185 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 12 | Apr 28 | May 12 |
| 32°F | Mar 29 | Apr 15 | May 2 |
| 28°F | Mar 16 | Apr 1 | Apr 20 |
| 24°F | Mar 4 | Mar 22 | Apr 8 |
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 27 | Oct 10 | Oct 23 |
| 32°F | Oct 6 | Oct 21 | Nov 1 |
| 28°F | Oct 16 | Oct 31 | Nov 14 |
| 24°F | Oct 28 | Nov 9 | Nov 28 |
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 | 145 days | 163 days | 183 days |
| 32°F | 162 days | 185 days | 208 days |
| 28°F | 187 days | 209 days | 232 days |
| 24°F | 208 days | 231 days | 256 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 |
|---|---|---|---|
| 65583 | 6b | -5 to 0°F | 3 km |
| 65584 | 6b | -5 to 0°F | 9 km |
| 65534 | 6b | -5 to 0°F | 13 km |
| 65556 | 6b | -5 to 0°F | 15 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 USC00238777, at 37.8131, -92.2317, elevation 271 m (890 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 110.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fort Leonard Wood (13 km)
- Iberia (33 km)
- Licking 4n (42 km)
- Rolla Missouri S&t (43 km)
- Lebanon 2w (43 km)
- Vienna 2 WNW (48 km)
- Salem 10 W (49 km)
- Vichy Rolla National Airport (54 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.