Frost dates for Stockton Dam, MO
At Stockton Dam, the median last spring frost (32°F) is Apr 6 and the median first fall frost is Oct 30, for a typical growing season of 207 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 6Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Oct 30First fall frost (median)50% chance of 32°F by this date
- 207 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 1 | Apr 16 | May 4 |
| 32°F | Mar 21 | Apr 6 | Apr 23 |
| 28°F | Mar 9 | Mar 27 | Apr 10 |
| 24°F | Feb 27 | Mar 15 | Apr 1 |
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 6 | Oct 21 | Nov 2 |
| 32°F | Oct 17 | Oct 30 | Nov 14 |
| 28°F | Oct 26 | Nov 8 | Nov 27 |
| 24°F | Nov 2 | Nov 19 | 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 | 163 days | 185 days | 206 days |
| 32°F | 184 days | 207 days | 228 days |
| 28°F | 205 days | 228 days | 252 days |
| 24°F | 225 days | 249 days | 274 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 |
|---|---|---|---|
| 65785 | 7a | 0 to 5°F | 5 km |
| 65649 | 6b | -5 to 0°F | 16 km |
| 65674 | 6b | -5 to 0°F | 18 km |
| 65635 | 6b | -5 to 0°F | 19 km |
| 64756 | 7a | 0 to 5°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 USC00238082, at 37.6967, -93.7725, elevation 281 m (922 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 92.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Eldorado Springs (28 km)
- Bolivar 1 NE (35 km)
- Lockwood (37 km)
- Osceola (40 km)
- Pomme De Terre Dam (46 km)
- Lamar 7n (46 km)
- Ash Grove 4s (51 km)
- Nevada Water Plant (55 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.