Frost dates for Fremont 4 WSW, MI
At Fremont 4 WSW, the median last spring frost (32°F) is May 8 and the median first fall frost is Oct 11, for a typical growing season of 155 days. For a 90% chance that the last frost has passed, wait until May 25. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- May 8Last spring frost (median)50% chance of 32°F after this date
- May 25Safer planting date10% chance of 32°F after this date
- Oct 11First fall frost (median)50% chance of 32°F by this date
- 155 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 6 | May 21 | Jun 3 |
| 32°F | Apr 24 | May 8 | May 25 |
| 28°F | Apr 11 | Apr 27 | May 14 |
| 24°F | Mar 30 | Apr 14 | May 1 |
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 18 | Oct 1 | Oct 13 |
| 32°F | Sep 30 | Oct 11 | Oct 25 |
| 28°F | Oct 11 | Oct 25 | Nov 8 |
| 24°F | Oct 27 | Nov 7 | Nov 25 |
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 | 113 days | 132 days | 152 days |
| 32°F | 134 days | 155 days | 176 days |
| 28°F | 159 days | 180 days | 200 days |
| 24°F | 187 days | 208 days | 231 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 |
|---|---|---|---|
| 49425 | 6a | -10 to -5°F | 7 km |
| 49412 | 5b | -15 to -10°F | 7 km |
| 49457 | 6a | -10 to -5°F | 14 km |
| 49337 | 5b | -15 to -10°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 USC00203025, at 43.4458, -86.0264, elevation 244 m (800 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 149.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hesperia 4 WNW (17 km)
- Montague 4 NW (32 km)
- Kent City 2 SW (34 km)
- Muskegon Co Airport (35 km)
- Hart 3 WSW (41 km)
- Grand Haven Wastewater Plant (45 km)
- Big Rapids Water Plant (53 km)
- Ludington 4 SE (59 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.