Red Lake Falls, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 29.4 °F (low) to 49.4 °F (high). Annual precipitation averages 23.8 Inches. Red Lake Falls is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.4 °F | 14.5 °F | 0.63 in. |
| February | -0.6 °F | 18.8 °F | 0.59 in. |
| March | 14.4 °F | 33.0 °F | 0.88 in. |
| April | 29.8 °F | 50.8 °F | 1.28 in. |
| May | 42.6 °F | 65.2 °F | 2.99 in. |
| June | 54.1 °F | 74.6 °F | 4.15 in. |
| July | 57.5 °F | 78.7 °F | 3.56 in. |
| August | 54.9 °F | 78.4 °F | 3.18 in. |
| September | 46.0 °F | 69.1 °F | 2.8 in. |
| October | 33.7 °F | 53.2 °F | 2.09 in. |
| November | 18.9 °F | 35.3 °F | 0.88 in. |
| December | 5.1 °F | 20.7 °F | 0.79 in. |
| Annual | 29.4 °F | 49.4 °F | 23.82 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |