| 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: | Oct. 1 - Oct. 10 |
| 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 56514 - Barnesville, MN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -4 | 4 | 17 | 32 | 45 | 54 | 59 | 57 | 46 | 34 | 19 | 3 | 30 |
| Avg Max Temp (°F) | 16 | 23 | 36 | 54 | 69 | 77 | 82 | 81 | 70 | 57 | 36 | 21 | 52 |
| Avg Precip (In.) | .7 | .47 | 1.11 | 1.55 | 2.69 | 3.68 | 3.69 | 2.88 | 2.36 | 2.02 | .98 | .49 | 22.61 |