Wykoff, Minnesota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.9 °C (low) to 11.9 °C (high). Annual precipitation averages 910.6 Millimeters. Wykoff is located in USDA Plant Hardiness Zone 5a. 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 | -14.1 °C | -5.4 °C | 25.15 mm |
| February | -11.9 °C | -2.9 °C | 28.45 mm |
| March | -5.3 °C | 3.9 °C | 46.99 mm |
| April | 1.5 °C | 12.3 °C | 91.95 mm |
| May | 8.3 °C | 19.1 °C | 115.57 mm |
| June | 14.1 °C | 24.6 °C | 144.53 mm |
| July | 16 °C | 26.4 °C | 108.71 mm |
| August | 14.6 °C | 25.3 °C | 109.73 mm |
| September | 9.9 °C | 21.7 °C | 95 mm |
| October | 3.2 °C | 14.2 °C | 67.56 mm |
| November | -3.5 °C | 5.3 °C | 44.2 mm |
| December | -9.9 °C | -2.1 °C | 32.77 mm |
| Annual | 1.9 °C | 11.9 °C | 910.61 mm |
| 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 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |