Scandinavia, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.2 °F (low) to 54.6 °F (high). Annual precipitation averages 33.5 Inches. Scandinavia is located in USDA Plant Hardiness Zone 5a. 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 | 7.6 °F | 24.7 °F | 1.29 in. |
| February | 9.8 °F | 28.9 °F | 1.12 in. |
| March | 20.5 °F | 40.6 °F | 1.85 in. |
| April | 32.5 °F | 54.6 °F | 3.34 in. |
| May | 44.7 °F | 67.4 °F | 4.0 in. |
| June | 54.7 °F | 76.7 °F | 4.62 in. |
| July | 58.7 °F | 81.2 °F | 3.73 in. |
| August | 56.7 °F | 79.0 °F | 3.82 in. |
| September | 48.4 °F | 71.3 °F | 3.45 in. |
| October | 36.6 °F | 57.7 °F | 2.76 in. |
| November | 25.6 °F | 42.8 °F | 1.91 in. |
| December | 14.5 °F | 29.9 °F | 1.65 in. |
| Annual | 34.2 °F | 54.6 °F | 33.54 in. |
| 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |