Salix, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.4 °F (low) to 60 °F (high). Annual precipitation averages 29.9 Inches. Salix is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.1 °F | 29.4 °F | 0.61 in. |
| February | 14.3 °F | 34.5 °F | 0.81 in. |
| March | 25.3 °F | 47.8 °F | 1.59 in. |
| April | 36.4 °F | 61.2 °F | 3.24 in. |
| May | 48.7 °F | 72.2 °F | 4.18 in. |
| June | 59.6 °F | 82.4 °F | 4.67 in. |
| July | 63.2 °F | 85.6 °F | 3.39 in. |
| August | 60.7 °F | 83.4 °F | 3.87 in. |
| September | 51.3 °F | 77.2 °F | 2.91 in. |
| October | 38.4 °F | 64.0 °F | 2.24 in. |
| November | 25.4 °F | 47.7 °F | 1.4 in. |
| December | 15.2 °F | 34.2 °F | 0.97 in. |
| Annual | 37.4 °F | 60 °F | 29.88 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |