Frost dates for Fairbury 5s, NE
At Fairbury 5s, the median last spring frost (32°F) is Apr 25 and the median first fall frost is Oct 15, for a typical growing season of 169 days. For a 90% chance that the last frost has passed, wait until May 7. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 25Last spring frost (median)50% chance of 32°F after this date
- May 7Safer planting date10% chance of 32°F after this date
- Oct 15First fall frost (median)50% chance of 32°F by this date
- 169 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 20 | May 3 | May 17 |
| 32°F | Apr 9 | Apr 25 | May 7 |
| 28°F | Mar 31 | Apr 14 | Apr 30 |
| 24°F | Mar 17 | Apr 3 | Apr 20 |
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 22 | Oct 5 | Oct 17 |
| 32°F | Sep 30 | Oct 15 | Oct 26 |
| 28°F | Oct 10 | Oct 24 | Nov 5 |
| 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 | 134 days | 152 days | 170 days |
| 32°F | 150 days | 169 days | 188 days |
| 28°F | 168 days | 190 days | 212 days |
| 24°F | 188 days | 209 days | 232 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 |
|---|---|---|---|
| 68350 | 6a | -10 to -5°F | 8 km |
| 68352 | 6a | -10 to -5°F | 10 km |
| 68440 | 6a | -10 to -5°F | 13 km |
| 66955 | 6a | -10 to -5°F | 17 km |
| 68429 | 6a | -10 to -5°F | 18 km |
| 68342 | 6a | -10 to -5°F | 19 km |
| 68377 | 6a | -10 to -5°F | 20 km |
| 68338 | 6a | -10 to -5°F | 28 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 USC00252820, at 40.0739, -97.1669, elevation 412 m (1,350 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 144.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hebron (38 km)
- Beatrice 1n (43 km)
- Virginia (60 km)
- Geneva (63 km)
- Crete 4ese (65 km)
- Friend 3e (65 km)
- Fairmont (73 km)
- Lincoln 11 SW (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.