Squaw Lake, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -2.1 °C (low) to 10.1 °C (high). Annual precipitation averages 686.3 Millimeters. Squaw Lake is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -19.7 °C | -8.1 °C | 21.59 mm |
| February | -18.3 °C | -4.5 °C | 17.53 mm |
| March | -10.6 °C | 2.8 °C | 28.45 mm |
| April | -2.7 °C | 10.7 °C | 48.77 mm |
| May | 4.6 °C | 18.3 °C | 75.18 mm |
| June | 10.6 °C | 23.2 °C | 105.41 mm |
| July | 13.1 °C | 25.7 °C | 105.92 mm |
| August | 11.7 °C | 24.9 °C | 84.07 mm |
| September | 7.3 °C | 19.9 °C | 76.2 mm |
| October | 0.8 °C | 11.4 °C | 65.53 mm |
| November | -6.6 °C | 2.1 °C | 34.04 mm |
| December | -14.8 °C | -5.2 °C | 23.62 mm |
| Annual | -2.1 °C | 10.1 °C | 686.31 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |