Frost dates for Leeds, ND
At Leeds, the median last spring frost (32°F) is May 15 and the median first fall frost is Sep 27, for a typical growing season of 133 days. For a 90% chance that the last frost has passed, wait until May 27. Nearby ZIP codes are in USDA hardiness zones 3b to 4a.
- May 15Last spring frost (median)50% chance of 32°F after this date
- May 27Safer planting date10% chance of 32°F after this date
- Sep 27First fall frost (median)50% chance of 32°F by this date
- 133 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 12 | May 24 | Jun 4 |
| 32°F | May 3 | May 15 | May 27 |
| 28°F | Apr 21 | May 6 | May 19 |
| 24°F | Apr 12 | Apr 28 | May 11 |
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 4 | Sep 18 | Sep 29 |
| 32°F | Sep 14 | Sep 27 | Oct 7 |
| 28°F | Sep 22 | Oct 4 | Oct 18 |
| 24°F | Oct 1 | Oct 14 | Oct 27 |
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 | 98 days | 116 days | 132 days |
| 32°F | 114 days | 133 days | 150 days |
| 28°F | 133 days | 151 days | 169 days |
| 24°F | 150 days | 169 days | 190 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 |
|---|---|---|---|
| 58346 | 4a | -30 to -25°F | 1 km |
| 58386 | 4a | -30 to -25°F | 13 km |
| 58325 | 4a | -30 to -25°F | 23 km |
| 58324 | 3b | -35 to -30°F | 26 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 USC00325078, at 48.2881, -99.4317, elevation 466 m (1,530 ft).
- Data quality: Representative (10+ years), 16 years of freeze data.
- Average days per year at or below 32°F: 200.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Minnewaukan (26 km)
- Esmond 9 NNW (33 km)
- Rugby (42 km)
- Devils Lake (44 km)
- Devils Lake Kdlr (46 km)
- Rolette 3se (47 km)
- Harvey 4ne (63 km)
- Belcourt Keya Radio (66 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.