Littlefork, Minnesota has a Humid Continental Mild Summer With Dry Winters climate (Köppen classification: Dwb). Average annual temperatures range from 27.2 °F (low) to 49.1 °F (high). Annual precipitation averages 26.7 Inches. Littlefork is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.7 °F | 15.3 °F | 0.86 in. |
| February | -2.5 °F | 21.4 °F | 0.73 in. |
| March | 11.7 °F | 35.2 °F | 1.02 in. |
| April | 27.0 °F | 50.0 °F | 1.71 in. |
| May | 39.8 °F | 63.8 °F | 3.21 in. |
| June | 50.1 °F | 73.5 °F | 4.12 in. |
| July | 54.4 °F | 78.1 °F | 3.84 in. |
| August | 52.3 °F | 76.5 °F | 3.26 in. |
| September | 44.1 °F | 67.2 °F | 3.17 in. |
| October | 32.5 °F | 51.8 °F | 2.28 in. |
| November | 18.9 °F | 34.7 °F | 1.49 in. |
| December | 3.7 °F | 21.1 °F | 1.05 in. |
| Annual | 27.2 °F | 49.1 °F | 26.74 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Plant Hardiness Zone - 2012 | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dwb - Humid Continental Mild Summer With Dry Winters |