Frost dates for Cassville, MO
At Cassville, the median last spring frost (32°F) is Apr 14 and the median first fall frost is Oct 26, for a typical growing season of 194 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 14Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 26First fall frost (median)50% chance of 32°F by this date
- 194 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 9 | Apr 26 | May 8 |
| 32°F | Mar 29 | Apr 14 | Apr 30 |
| 28°F | Mar 15 | Apr 3 | Apr 19 |
| 24°F | Mar 1 | Mar 23 | Apr 11 |
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 1 | Oct 17 | Nov 1 |
| 32°F | Oct 11 | Oct 26 | Nov 10 |
| 28°F | Oct 20 | Nov 5 | Nov 19 |
| 24°F | Oct 30 | Nov 14 | Nov 30 |
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 | 153 days | 173 days | 195 days |
| 32°F | 173 days | 194 days | 215 days |
| 28°F | 192 days | 214 days | 236 days |
| 24°F | 208 days | 235 days | 260 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 |
|---|---|---|---|
| 65625 | 7a | 0 to 5°F | 5 km |
| 65647 | 7a | 0 to 5°F | 12 km |
| 65658 | 7a | 0 to 5°F | 26 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 USC00231383, at 36.6875, -93.8694, elevation 419 m (1,376 ft).
- Data quality: Representative (10+ years), 13 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
- Seligman (17 km)
- Washburn 5 W (21 km)
- Monett 4sw (21 km)
- Galena (38 km)
- Mount Vernon Univ Mo - SW Center (43 km)
- Neosho (48 km)
- Billings 1sw (48 km)
- Anderson (51 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.