Frost dates for Buffalo 2n, MO
At Buffalo 2n, the median last spring frost (32°F) is Apr 23 and the median first fall frost is Oct 15, for a typical growing season of 175 days. For a 90% chance that the last frost has passed, wait until May 8. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 23Last spring frost (median)50% chance of 32°F after this date
- May 8Safer planting date10% chance of 32°F after this date
- Oct 15First fall frost (median)50% chance of 32°F by this date
- 175 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 18 | May 4 | May 17 |
| 32°F | Apr 5 | Apr 23 | May 8 |
| 28°F | Mar 24 | Apr 9 | Apr 29 |
| 24°F | Mar 12 | Mar 29 | Apr 14 |
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 23 | Oct 6 | Oct 18 |
| 32°F | Oct 1 | Oct 15 | Oct 28 |
| 28°F | Oct 10 | Oct 25 | Nov 8 |
| 24°F | Oct 20 | Nov 4 | Nov 19 |
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 | 135 days | 154 days | 174 days |
| 32°F | 153 days | 175 days | 196 days |
| 28°F | 174 days | 198 days | 220 days |
| 24°F | 197 days | 220 days | 242 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 |
|---|---|---|---|
| 65622 | 6b | -5 to 0°F | 4 km |
| 65685 | 6b | -5 to 0°F | 10 km |
| 65590 | 6b | -5 to 0°F | 12 km |
| 65644 | 6b | -5 to 0°F | 18 km |
| 65783 | 6b | -5 to 0°F | 19 km |
| 65764 | 6b | -5 to 0°F | 22 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 USC00231087, at 37.6669, -93.1069, elevation 326 m (1,071 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 108.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Bolivar 1 NE (26 km)
- Pomme De Terre Dam (32 km)
- Lebanon 2w (36 km)
- Marshfield 4 WSW (40 km)
- Grovespring 1ne (54 km)
- Springfield (55 km)
- Springfield Wbo (55 km)
- Stockton Dam (59 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.