Hilbert, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.5 °C (low) to 12.6 °C (high). Annual precipitation averages 825 Millimeters. Hilbert 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 | -12 °C | -3.7 °C | 35.56 mm |
| February | -10.9 °C | -1.8 °C | 28.45 mm |
| March | -5.2 °C | 4.6 °C | 44.2 mm |
| April | 1.3 °C | 12.1 °C | 77.47 mm |
| May | 7.8 °C | 19.3 °C | 94.23 mm |
| June | 13.6 °C | 24.7 °C | 116.59 mm |
| July | 15.9 °C | 27.2 °C | 96.52 mm |
| August | 14.9 °C | 26.1 °C | 87.88 mm |
| September | 10.6 °C | 22.3 °C | 80.77 mm |
| October | 4.1 °C | 14.5 °C | 73.15 mm |
| November | -2 °C | 6.6 °C | 49.53 mm |
| December | -8.2 °C | -0.6 °C | 40.64 mm |
| Annual | 2.5 °C | 12.6 °C | 824.99 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |