Frost dates for Pratt 3nw, KS
At Pratt 3nw, the median last spring frost (32°F) is Apr 20 and the median first fall frost is Oct 20, for a typical growing season of 183 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 20Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 20First fall frost (median)50% chance of 32°F by this date
- 183 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 16 | Apr 30 | May 11 |
| 32°F | Apr 6 | Apr 20 | May 2 |
| 28°F | Mar 26 | Apr 9 | Apr 23 |
| 24°F | Mar 11 | Mar 31 | Apr 17 |
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 26 | Oct 11 | Oct 24 |
| 32°F | Oct 4 | Oct 20 | Nov 1 |
| 28°F | Oct 16 | Oct 30 | Nov 12 |
| 24°F | Oct 23 | Nov 6 | Nov 23 |
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 | 146 days | 165 days | 182 days |
| 32°F | 164 days | 183 days | 202 days |
| 28°F | 180 days | 201 days | 223 days |
| 24°F | 200 days | 222 days | 246 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 |
|---|---|---|---|
| 67124 | 6b | -5 to 0°F | 4 km |
| 67066 | 6b | -5 to 0°F | 11 km |
| 67021 | 6b | -5 to 0°F | 16 km |
| 67134 | 6b | -5 to 0°F | 24 km |
| 67028 | 6b | -5 to 0°F | 28 km |
| 67583 | 6b | -5 to 0°F | 30 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 USC00146549, at 37.6731, -98.7761, elevation 592 m (1,942 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 122.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Greensburg (47 km)
- Medicine Lodge (48 km)
- Hudson (49 km)
- Kingman (57 km)
- Kinsley 2e (59 km)
- Larned (63 km)
- Larned #2 (64 km)
- Wilmore 16se (65 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.