Strum, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.3 °C (low) to 13 °C (high). Annual precipitation averages 884.2 Millimeters. Strum 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 | -14.7 °C | -4.3 °C | 27.18 mm |
| February | -12.8 °C | -1.5 °C | 27.69 mm |
| March | -6.1 °C | 5.4 °C | 47.75 mm |
| April | 0.7 °C | 13.6 °C | 84.07 mm |
| May | 7.5 °C | 20.5 °C | 109.22 mm |
| June | 13.3 °C | 25.7 °C | 129.54 mm |
| July | 15.4 °C | 27.9 °C | 101.85 mm |
| August | 14.2 °C | 26.8 °C | 110.24 mm |
| September | 9.6 °C | 22.5 °C | 97.79 mm |
| October | 2.8 °C | 14.9 °C | 67.82 mm |
| November | -3.8 °C | 6 °C | 45.72 mm |
| December | -10.5 °C | -1.4 °C | 35.31 mm |
| Annual | 1.3 °C | 13 °C | 884.18 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |