Frost dates for Baileyville, KS
At Baileyville, the median last spring frost (32°F) is Apr 22 and the median first fall frost is Oct 13, for a typical growing season of 173 days. For a 90% chance that the last frost has passed, wait until May 2. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 22Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 13First fall frost (median)50% chance of 32°F by this date
- 173 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 19 | Apr 30 | May 10 |
| 32°F | Apr 10 | Apr 22 | May 2 |
| 28°F | Apr 2 | Apr 14 | Apr 25 |
| 24°F | Mar 20 | Apr 6 | Apr 19 |
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 19 | Oct 3 | Oct 16 |
| 32°F | Sep 27 | Oct 13 | Oct 25 |
| 28°F | Oct 6 | Oct 23 | Nov 3 |
| 24°F | Oct 19 | Nov 1 | Nov 15 |
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 | 140 days | 156 days | 172 days |
| 32°F | 155 days | 173 days | 190 days |
| 28°F | 171 days | 191 days | 207 days |
| 24°F | 188 days | 208 days | 229 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 |
|---|---|---|---|
| 66404 | 6a | -10 to -5°F | 4 km |
| 66403 | 6a | -10 to -5°F | 10 km |
| 66538 | 6a | -10 to -5°F | 12 km |
| 66522 | 6a | -10 to -5°F | 21 km |
| 66541 | 6a | -10 to -5°F | 21 km |
| 66408 | 6a | -10 to -5°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 USC00140482, at 39.8311, -96.1833, elevation 395 m (1,296 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 139.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Centralia (13 km)
- Frankfort 6ne (16 km)
- Marysville (39 km)
- Holton (55 km)
- Hiawatha 1 S (56 km)
- Horton (60 km)
- Wamego 4 W (70 km)
- Tuttle Creek Lake (74 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.