Collins, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.4 °C (low) to 12.6 °C (high). Annual precipitation averages 827.3 Millimeters. Collins is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.9 °C | -3.6 °C | 36.58 mm |
| February | -10.9 °C | -1.7 °C | 29.72 mm |
| March | -5.2 °C | 4.6 °C | 44.96 mm |
| April | 1.2 °C | 12 °C | 78.49 mm |
| May | 7.6 °C | 19.2 °C | 94.23 mm |
| June | 13.3 °C | 24.6 °C | 113.28 mm |
| July | 15.7 °C | 27.1 °C | 96.01 mm |
| August | 14.8 °C | 26.1 °C | 88.14 mm |
| September | 10.4 °C | 22.3 °C | 80.26 mm |
| October | 4.1 °C | 14.5 °C | 73.66 mm |
| November | -2 °C | 6.6 °C | 50.29 mm |
| December | -8.2 °C | -0.5 °C | 41.66 mm |
| Annual | 2.4 °C | 12.6 °C | 827.28 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |