Jump River, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Annual precipitation averages 835.2 Millimeters. Jump River 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 | -16.1 °C | -5.4 °C | 27.18 mm |
| February | -14.6 °C | -2.6 °C | 23.62 mm |
| March | -7.8 °C | 4.1 °C | 37.85 mm |
| April | -0.3 °C | 12.2 °C | 72.9 mm |
| May | 6.3 °C | 19.3 °C | 95.25 mm |
| June | 11.7 °C | 24.1 °C | 125.22 mm |
| July | 14 °C | 26.2 °C | 91.95 mm |
| August | 12.7 °C | 25.3 °C | 106.17 mm |
| September | 8.3 °C | 21 °C | 94.49 mm |
| October | 1.9 °C | 13.5 °C | 79.25 mm |
| November | -4.6 °C | 4.6 °C | 48.77 mm |
| December | -11.6 °C | -2.4 °C | 32.51 mm |
| Annual | -0 °C | 11.7 °C | 835.16 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 |