Frost dates for Newton, KS
At Newton, the median last spring frost (32°F) is Apr 14 and the median first fall frost is Oct 25, for a typical growing season of 193 days. For a 90% chance that the last frost has passed, wait until Apr 27. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 14Last spring frost (median)50% chance of 32°F after this date
- Apr 27Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 193 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 24 | May 6 |
| 32°F | Mar 31 | Apr 14 | Apr 27 |
| 28°F | Mar 18 | Apr 4 | Apr 20 |
| 24°F | Mar 6 | Mar 24 | Apr 9 |
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 16 | Oct 28 |
| 32°F | Oct 12 | Oct 25 | Nov 7 |
| 28°F | Oct 20 | Nov 3 | Nov 19 |
| 24°F | Oct 28 | Nov 11 | 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 | 154 days | 174 days | 193 days |
| 32°F | 173 days | 193 days | 213 days |
| 28°F | 191 days | 212 days | 236 days |
| 24°F | 207 days | 232 days | 256 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 |
|---|---|---|---|
| 67117 | 6b | -5 to 0°F | 6 km |
| 67114 | 6b | -5 to 0°F | 7 km |
| 67056 | 6b | -5 to 0°F | 15 km |
| 67135 | 7a | 0 to 5°F | 15 km |
| 67062 | 6b | -5 to 0°F | 15 km |
| 67151 | 6b | -5 to 0°F | 16 km |
| 67016 | 7a | 0 to 5°F | 21 km |
| 67154 | 6b | -5 to 0°F | 21 km |
| 67053 | 6b | -5 to 0°F | 25 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 USC00145744, at 38.0231, -97.3553, elevation 439 m (1,441 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 115.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Wichita Jabara Airport (33 km)
- Wichita Wx (42 km)
- Wichita (42 km)
- Hutchinson Muni Airport (44 km)
- Florence (45 km)
- McPherson (45 km)
- Marion Rsvr (46 km)
- Hutchinson (49 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.