Frost dates for Alberta Ford For Center, MI
At Alberta Ford For Center, the median last spring frost (32°F) is May 23 and the median first fall frost is Oct 1, for a typical growing season of 128 days. For a 90% chance that the last frost has passed, wait until Jun 8. Nearby ZIP codes are in USDA hardiness zones 4a to 5a.
- May 23Last spring frost (median)50% chance of 32°F after this date
- Jun 8Safer planting date10% chance of 32°F after this date
- Oct 1First fall frost (median)50% chance of 32°F by this date
- 128 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 | May 20 | Jun 4 | Jun 23 |
| 32°F | May 4 | May 23 | Jun 8 |
| 28°F | Apr 26 | May 9 | May 29 |
| 24°F | Apr 16 | Apr 29 | May 15 |
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 1 | Sep 19 | Oct 4 |
| 32°F | Sep 16 | Oct 1 | Oct 14 |
| 28°F | Sep 26 | Oct 11 | Oct 27 |
| 24°F | Oct 12 | Oct 26 | Nov 10 |
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 | 78 days | 104 days | 127 days |
| 32°F | 107 days | 128 days | 153 days |
| 28°F | 131 days | 155 days | 177 days |
| 24°F | 158 days | 178 days | 200 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 49908 | 5a | -20 to -15°F | 14 km |
| 49946 | 5a | -20 to -15°F | 15 km |
| 49919 | 4a | -30 to -25°F | 15 km |
| 49970 | 4b | -25 to -20°F | 16 km |
| 49958 | 5a | -20 to -15°F | 24 km |
| 49952 | 5a | -20 to -15°F | 24 km |
| 49861 | 4a | -30 to -25°F | 25 km |
| 49961 | 4b | -25 to -20°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 USC00200089, at 46.6447, -88.4811, elevation 399 m (1,310 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 189.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Herman (8 km)
- Covington 1nnw (11 km)
- Watton 2wsw (18 km)
- Baraga 7nw (22 km)
- Champion Van Riper Pk (40 km)
- Jacobsville (41 km)
- Amasa 1w (46 km)
- Clarksburg (51 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.