Frost dates for Rosebud, MO
At Rosebud, the median last spring frost (32°F) is Apr 27 and the median first fall frost is Oct 13, for a typical growing season of 168 days. For a 90% chance that the last frost has passed, wait until May 12. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 27Last spring frost (median)50% chance of 32°F after this date
- May 12Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 168 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 23 | May 6 | May 21 |
| 32°F | Apr 11 | Apr 27 | May 12 |
| 28°F | Mar 28 | Apr 14 | May 5 |
| 24°F | Mar 14 | Apr 3 | Apr 21 |
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 18 | Oct 2 | Oct 16 |
| 32°F | Sep 29 | Oct 13 | Oct 26 |
| 28°F | Oct 9 | Oct 24 | Nov 5 |
| 24°F | Oct 19 | Nov 3 | Nov 18 |
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 | 129 days | 149 days | 167 days |
| 32°F | 146 days | 168 days | 189 days |
| 28°F | 166 days | 191 days | 213 days |
| 24°F | 190 days | 215 days | 236 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 |
|---|---|---|---|
| 63037 | 6b | -5 to 0°F | 6 km |
| 63091 | 6b | -5 to 0°F | 10 km |
| 63056 | 6b | -5 to 0°F | 15 km |
| 65066 | 6b | -5 to 0°F | 15 km |
| 63068 | 6b | -5 to 0°F | 17 km |
| 65041 | 6b | -5 to 0°F | 23 km |
| 63014 | 6b | -5 to 0°F | 23 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 USC00237300, at 38.4508, -91.3753, elevation 222 m (730 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 124.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Freedom (29 km)
- Union (32 km)
- Washington (36 km)
- Warrenton 1 N (47 km)
- Vichy Rolla National Airport (49 km)
- Steelville 2 N (50 km)
- Vienna 2 WNW (60 km)
- Rolla Missouri S&t (65 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.