Watkins, Minnesota has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.1 °C (low) to 11.6 °C (high). Annual precipitation averages 750.6 Millimeters. Watkins is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.8 °C | -6.2 °C | 18.29 mm |
| February | -13.9 °C | -3.6 °C | 20.07 mm |
| March | -6.8 °C | 3.5 °C | 39.12 mm |
| April | 0.6 °C | 12.1 °C | 65.28 mm |
| May | 7.8 °C | 19.4 °C | 96.77 mm |
| June | 13.6 °C | 24.8 °C | 114.05 mm |
| July | 16.1 °C | 27.1 °C | 101.6 mm |
| August | 14.6 °C | 25.9 °C | 101.85 mm |
| September | 10.1 °C | 21.9 °C | 74.42 mm |
| October | 2.9 °C | 13.6 °C | 63.25 mm |
| November | -4.6 °C | 4.4 °C | 31.5 mm |
| December | -11.7 °C | -3.2 °C | 24.38 mm |
| Annual | 1.1 °C | 11.6 °C | 750.58 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |