Frost dates for East Lansing 4 S, MI
At East Lansing 4 S, the median last spring frost (32°F) is Apr 28 and the median first fall frost is Oct 17, for a typical growing season of 173 days. For a 90% chance that the last frost has passed, wait until May 16. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 28Last spring frost (median)50% chance of 32°F after this date
- May 16Safer planting date10% chance of 32°F after this date
- Oct 17First fall frost (median)50% chance of 32°F by this date
- 173 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 6a (-10 to -5°F) · see all zone 6a frost dates
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 23 | May 8 | May 27 |
| 32°F | Apr 13 | Apr 28 | May 16 |
| 28°F | Apr 2 | Apr 15 | May 1 |
| 24°F | Mar 18 | Apr 2 | Apr 16 |
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 4 | Oct 18 |
| 32°F | Oct 1 | Oct 17 | Nov 1 |
| 28°F | Oct 14 | Oct 30 | Nov 13 |
| 24°F | Oct 31 | Nov 12 | Nov 29 |
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 | 127 days | 149 days | 172 days |
| 32°F | 150 days | 173 days | 194 days |
| 28°F | 175 days | 198 days | 219 days |
| 24°F | 202 days | 223 days | 244 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 |
|---|---|---|---|
| 48910 | 6a | -10 to -5°F | 4 km |
| 48824 | 6a | -10 to -5°F | 5 km |
| 48842 | 6a | -10 to -5°F | 6 km |
| 48825 | 6a | -10 to -5°F | 6 km |
| 48911 | 6a | -10 to -5°F | 7 km |
| 48864 | 6a | -10 to -5°F | 8 km |
| 48854 | 6a | -10 to -5°F | 11 km |
| 48840 | 6a | -10 to -5°F | 13 km |
| 48895 | 6a | -10 to -5°F | 17 km |
| 48819 | 6a | -10 to -5°F | 21 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 USC00202395, at 42.6742, -84.4850, elevation 268 m (880 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 145.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lansing Capital City Airport (14 km)
- Eaton Rapids (22 km)
- Charlotte (31 km)
- Saint Johns (38 km)
- Jackson Reynolds Field (45 km)
- Owosso Wastewater Plant (45 km)
- Howell Wastewater Plant (46 km)
- Hell (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.