Frost dates for Marcell 5ne, MN
At Marcell 5ne, the median last spring frost (32°F) is May 14 and the median first fall frost is Oct 2, for a typical growing season of 140 days. For a 90% chance that the last frost has passed, wait until May 30. Nearby ZIP codes are in USDA hardiness zone 3b.
- May 14Last spring frost (median)50% chance of 32°F after this date
- May 30Safer planting date10% chance of 32°F after this date
- Oct 2First fall frost (median)50% chance of 32°F by this date
- 140 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 11 | May 25 | Jun 8 |
| 32°F | Apr 30 | May 14 | May 30 |
| 28°F | Apr 20 | May 3 | May 20 |
| 24°F | Apr 11 | Apr 23 | May 8 |
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 8 | Sep 24 | Oct 5 |
| 32°F | Sep 20 | Oct 2 | Oct 16 |
| 28°F | Oct 1 | Oct 14 | Oct 28 |
| 24°F | Oct 12 | Oct 27 | Nov 8 |
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 | 101 days | 120 days | 137 days |
| 32°F | 119 days | 140 days | 160 days |
| 28°F | 141 days | 162 days | 181 days |
| 24°F | 164 days | 184 days | 203 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 |
|---|---|---|---|
| 56657 | 3b | -35 to -30°F | 7 km |
| 56628 | 3b | -35 to -30°F | 12 km |
| 56637 | 3b | -35 to -30°F | 14 km |
| 56680 | 3b | -35 to -30°F | 23 km |
| 56688 | 3b | -35 to -30°F | 24 km |
| 56659 | 3b | -35 to -30°F | 31 km |
| 56639 | 3b | -35 to -30°F | 33 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 USC00215175, at 47.6308, -93.6522, elevation 423 m (1,387 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 192.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Pokegama Dam (43 km)
- Grand Rpds Forest Lab (45 km)
- Northome 3s (51 km)
- Celina 2e (54 km)
- Leech Lake (61 km)
- Big Falls (64 km)
- Blackduck (65 km)
- Hibbing Chisholm Hibbing Airport (67 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.