Frost dates for Sherburn 3wsw, MN
At Sherburn 3wsw, the median last spring frost (32°F) is Apr 28 and the median first fall frost is Oct 8, for a typical growing season of 162 days. For a 90% chance that the last frost has passed, wait until May 9. Nearby ZIP codes are in USDA hardiness zone 5a.
- Apr 28Last spring frost (median)50% chance of 32°F after this date
- May 9Safer planting date10% chance of 32°F after this date
- Oct 8First fall frost (median)50% chance of 32°F by this date
- 162 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 | Apr 24 | May 6 | May 18 |
| 32°F | Apr 13 | Apr 28 | May 9 |
| 28°F | Apr 4 | Apr 18 | May 1 |
| 24°F | Mar 25 | Apr 8 | Apr 23 |
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 16 | Sep 28 | Oct 11 |
| 32°F | Sep 23 | Oct 8 | Oct 22 |
| 28°F | Oct 5 | Oct 20 | Nov 1 |
| 24°F | Oct 18 | Oct 29 | Nov 11 |
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 | 126 days | 143 days | 161 days |
| 32°F | 143 days | 162 days | 183 days |
| 28°F | 163 days | 184 days | 204 days |
| 24°F | 182 days | 202 days | 223 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 |
|---|---|---|---|
| 56171 | 5a | -20 to -15°F | 5 km |
| 56111 | 5a | -20 to -15°F | 9 km |
| 56127 | 5a | -20 to -15°F | 9 km |
| 56181 | 5a | -20 to -15°F | 13 km |
| 56176 | 5a | -20 to -15°F | 18 km |
| 56160 | 5a | -20 to -15°F | 22 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 USC00217602, at 43.6303, -94.7744, elevation 402 m (1,320 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 161.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Fairmont (25 km)
- Lakefield 2ne (31 km)
- Windom (39 km)
- St. James Wastewater Plant (42 km)
- Winnebago (51 km)
- Amboy (56 km)
- Worthington 2 NNE (65 km)
- Springfield 1 NW (71 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.