Argyle, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.7 °C (low) to 10 °C (high). Annual precipitation averages 579.6 Millimeters. Argyle is located in USDA Plant Hardiness Zone 4a. 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 | -19.9 °C | -9.9 °C | 16.76 mm |
| February | -18.2 °C | -7.2 °C | 14.48 mm |
| March | -10.1 °C | 0.3 °C | 21.08 mm |
| April | -1.4 °C | 10.8 °C | 29.46 mm |
| May | 5.6 °C | 19.1 °C | 78.23 mm |
| June | 12.1 °C | 24.3 °C | 100.58 mm |
| July | 14 °C | 26.8 °C | 82.3 mm |
| August | 12.3 °C | 26.6 °C | 74.93 mm |
| September | 7.6 °C | 21.3 °C | 66.04 mm |
| October | 0.7 °C | 12.2 °C | 50.04 mm |
| November | -7.5 °C | 1.8 °C | 24.38 mm |
| December | -15.3 °C | -6.4 °C | 21.34 mm |
| Annual | -1.7 °C | 10 °C | 579.62 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |