Frost dates for Mc Clusky, ND
At Mc Clusky, the median last spring frost (32°F) is May 8 and the median first fall frost is Oct 1, for a typical growing season of 145 days. For a 90% chance that the last frost has passed, wait until May 20. Nearby ZIP codes are in USDA hardiness zones 4a to 4b.
- May 8Last spring frost (median)50% chance of 32°F after this date
- May 20Safer planting date10% chance of 32°F after this date
- Oct 1First fall frost (median)50% chance of 32°F by this date
- 145 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 5 | May 17 | May 30 |
| 32°F | Apr 25 | May 8 | May 20 |
| 28°F | Apr 14 | Apr 30 | May 11 |
| 24°F | Apr 5 | Apr 18 | May 2 |
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 11 | Sep 23 | Oct 3 |
| 32°F | Sep 19 | Oct 1 | Oct 13 |
| 28°F | Sep 27 | Oct 10 | Oct 22 |
| 24°F | Oct 5 | Oct 18 | Nov 1 |
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 | 110 days | 127 days | 144 days |
| 32°F | 127 days | 145 days | 162 days |
| 28°F | 144 days | 163 days | 182 days |
| 24°F | 164 days | 183 days | 202 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 |
|---|---|---|---|
| 58463 | 4b | -25 to -20°F | 2 km |
| 58430 | 4a | -30 to -25°F | 14 km |
| 58444 | 4a | -30 to -25°F | 23 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 USC00325710, at 47.4825, -100.4444, elevation 587 m (1,927 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 176.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Turtle Lake (34 km)
- Butte 5se (36 km)
- Wilton (44 km)
- Tuttle 12nne (44 km)
- Washburn (49 km)
- Underwood (53 km)
- Harvey 4ne (56 km)
- Drake 9 NE (64 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.