| 2023 Hardiness Zone: | Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 48a - Glacial Lake Agassiz Basin |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 58231 - Fordville, ND | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -5 | 2 | 15 | 29 | 43 | 52 | 56 | 54 | 44 | 32 | 17 | 1 | 28 |
| Avg Max Temp (°F) | 14 | 21 | 33 | 52 | 68 | 76 | 81 | 80 | 69 | 55 | 33 | 19 | 50 |
| Avg Precip (In.) | .6 | .48 | .89 | 1.19 | 2.29 | 3.39 | 3.24 | 2.61 | 1.88 | 1.55 | .85 | .5 | 19.47 |