Frost dates for Bolivar 1 NE, MO
At Bolivar 1 NE, the median last spring frost (32°F) is Apr 14 and the median first fall frost is Oct 23, for a typical growing season of 188 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 14Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 23First fall frost (median)50% chance of 32°F by this date
- 188 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 10 | Apr 27 | May 12 |
| 32°F | Mar 29 | Apr 14 | May 2 |
| 28°F | Mar 17 | Apr 1 | Apr 18 |
| 24°F | Mar 3 | Mar 23 | Apr 7 |
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 28 | Oct 13 | Oct 26 |
| 32°F | Oct 8 | Oct 23 | Nov 4 |
| 28°F | Oct 18 | Nov 1 | Nov 16 |
| 24°F | Oct 27 | Nov 10 | 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 | 147 days | 167 days | 188 days |
| 32°F | 166 days | 188 days | 211 days |
| 28°F | 190 days | 211 days | 234 days |
| 24°F | 209 days | 234 days | 259 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 |
|---|---|---|---|
| 65613 | 6b | -5 to 0°F | 3 km |
| 65663 | 6b | -5 to 0°F | 13 km |
| 65710 | 6b | -5 to 0°F | 15 km |
| 65640 | 6b | -5 to 0°F | 18 km |
| 65601 | 6b | -5 to 0°F | 20 km |
| 65617 | 6b | -5 to 0°F | 21 km |
| 65725 | 6b | -5 to 0°F | 24 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 USC00230789, at 37.6164, -93.3914, elevation 301 m (987 ft).
- Data quality: Standard (24+ years of data), 30 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
- Buffalo 2n (26 km)
- Pomme De Terre Dam (33 km)
- Stockton Dam (35 km)
- Springfield (42 km)
- Ash Grove 4s (43 km)
- Springfield Wbo (47 km)
- Marshfield 4 WSW (49 km)
- Lockwood (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.