Clutier, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.8 °F (low) to 58.2 °F (high). Annual precipitation averages 37.9 Inches. Clutier 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.4 °F | 27.4 °F | 1.11 in. |
| February | 14.2 °F | 32.1 °F | 1.22 in. |
| March | 25.4 °F | 45.2 °F | 2.1 in. |
| April | 36.6 °F | 59.5 °F | 3.88 in. |
| May | 49.2 °F | 70.7 °F | 4.87 in. |
| June | 59.9 °F | 80.3 °F | 5.72 in. |
| July | 63.1 °F | 83.6 °F | 4.31 in. |
| August | 60.3 °F | 81.7 °F | 4.31 in. |
| September | 51.5 °F | 75.6 °F | 3.83 in. |
| October | 39.4 °F | 62.4 °F | 2.86 in. |
| November | 27.2 °F | 46.4 °F | 2.17 in. |
| December | 16.8 °F | 33.2 °F | 1.55 in. |
| Annual | 37.8 °F | 58.2 °F | 37.93 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |