Frost dates for Montague 4 NW, MI
At Montague 4 NW, the median last spring frost (32°F) is May 19 and the median first fall frost is Oct 4, for a typical growing season of 136 days. For a 90% chance that the last frost has passed, wait until Jun 6. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- May 19Last spring frost (median)50% chance of 32°F after this date
- Jun 6Safer planting date10% chance of 32°F after this date
- Oct 4First fall frost (median)50% chance of 32°F by this date
- 136 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 15 | May 31 | Jun 22 |
| 32°F | May 1 | May 19 | Jun 6 |
| 28°F | Apr 19 | May 5 | May 26 |
| 24°F | Apr 5 | Apr 21 | May 10 |
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 23 | Oct 7 |
| 32°F | Sep 16 | Oct 4 | Oct 20 |
| 28°F | Sep 30 | Oct 18 | Nov 4 |
| 24°F | Oct 16 | Nov 2 | Nov 22 |
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 | 80 days | 112 days | 135 days |
| 32°F | 112 days | 136 days | 162 days |
| 28°F | 138 days | 165 days | 190 days |
| 24°F | 167 days | 194 days | 220 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 |
|---|---|---|---|
| 49437 | 6a | -10 to -5°F | 3 km |
| 49446 | 6a | -10 to -5°F | 9 km |
| 49461 | 6b | -5 to 0°F | 12 km |
| 49452 | 6a | -10 to -5°F | 14 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 USC00205567, at 43.4614, -86.4175, elevation 198 m (650 ft).
- Data quality: Standard (24+ years of data), 27 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
- Hart 3 WSW (24 km)
- Hesperia 4 WNW (29 km)
- Fremont 4 WSW (32 km)
- Muskegon Co Airport (35 km)
- Grand Haven Wastewater Plant (48 km)
- Ludington 4 SE (50 km)
- Kent City 2 SW (60 km)
- Holland Water Plant (76 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.