Stockholm, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.7 °F (low) to 55.5 °F (high). Annual precipitation averages 35.3 Inches. Stockholm is located in USDA Plant Hardiness Zone 4b. 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 | 6.4 °F | 24.1 °F | 0.93 in. |
| February | 9.9 °F | 29.0 °F | 1.13 in. |
| March | 22.3 °F | 41.4 °F | 1.77 in. |
| April | 34.9 °F | 56.3 °F | 3.12 in. |
| May | 47.1 °F | 68.9 °F | 4.67 in. |
| June | 57.4 °F | 78.4 °F | 5.2 in. |
| July | 61.5 °F | 82.5 °F | 4.25 in. |
| August | 59.1 °F | 80.3 °F | 4.43 in. |
| September | 51.2 °F | 73.1 °F | 4.03 in. |
| October | 38.5 °F | 59.2 °F | 2.67 in. |
| November | 26.1 °F | 42.7 °F | 1.7 in. |
| December | 14.0 °F | 29.5 °F | 1.36 in. |
| Annual | 35.7 °F | 55.5 °F | 35.26 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |