Rib Lake, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1 °C (low) to 10.6 °C (high). Annual precipitation averages 835.7 Millimeters. Rib Lake 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 | -16.9 °C | -6.2 °C | 28.96 mm |
| February | -15.9 °C | -3.5 °C | 26.67 mm |
| March | -9.3 °C | 2.9 °C | 42.16 mm |
| April | -1.8 °C | 10.6 °C | 72.64 mm |
| May | 5.3 °C | 18.1 °C | 93.47 mm |
| June | 10.8 °C | 23 °C | 115.57 mm |
| July | 13 °C | 25.3 °C | 97.03 mm |
| August | 11.8 °C | 24.2 °C | 98.81 mm |
| September | 7.6 °C | 19.9 °C | 96.77 mm |
| October | 1 °C | 12.2 °C | 78.99 mm |
| November | -5.2 °C | 3.6 °C | 47.75 mm |
| December | -12.4 °C | -3.3 °C | 36.83 mm |
| Annual | -1 °C | 10.6 °C | 835.65 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |