Scandinavia, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.2 °C (low) to 12.5 °C (high). Annual precipitation averages 851.9 Millimeters. 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 | -13.6 °C | -4.1 °C | 32.77 mm |
| February | -12.3 °C | -1.7 °C | 28.45 mm |
| March | -6.4 °C | 4.8 °C | 46.99 mm |
| April | 0.3 °C | 12.6 °C | 84.84 mm |
| May | 7.1 °C | 19.7 °C | 101.6 mm |
| June | 12.6 °C | 24.8 °C | 117.35 mm |
| July | 14.8 °C | 27.3 °C | 94.74 mm |
| August | 13.7 °C | 26.1 °C | 97.03 mm |
| September | 9.1 °C | 21.8 °C | 87.63 mm |
| October | 2.6 °C | 14.3 °C | 70.1 mm |
| November | -3.6 °C | 6 °C | 48.51 mm |
| December | -9.7 °C | -1.2 °C | 41.91 mm |
| Annual | 1.2 °C | 12.5 °C | 851.92 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |