Turin, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.9 °F (low) to 60.7 °F (high). Annual precipitation averages 31.8 Inches. Turin 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 | 10.9 °F | 30.4 °F | 0.69 in. |
| February | 14.8 °F | 35.3 °F | 0.88 in. |
| March | 26.0 °F | 48.7 °F | 1.63 in. |
| April | 36.7 °F | 62.2 °F | 3.55 in. |
| May | 49.2 °F | 73.0 °F | 4.56 in. |
| June | 60.1 °F | 82.9 °F | 4.68 in. |
| July | 63.8 °F | 86.1 °F | 3.84 in. |
| August | 60.9 °F | 83.9 °F | 4.13 in. |
| September | 51.8 °F | 77.8 °F | 3.05 in. |
| October | 38.8 °F | 64.9 °F | 2.3 in. |
| November | 26.0 °F | 48.7 °F | 1.36 in. |
| December | 15.7 °F | 35.0 °F | 1.13 in. |
| Annual | 37.9 °F | 60.7 °F | 31.8 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 |