Little Cedar, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.5 °F (low) to 54.9 °F (high). Annual precipitation averages 37 Inches. Little Cedar 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 | 6.8 °F | 23.4 °F | 1.02 in. |
| February | 10.7 °F | 27.9 °F | 1.14 in. |
| March | 22.8 °F | 40.5 °F | 1.89 in. |
| April | 34.8 °F | 56.0 °F | 3.92 in. |
| May | 47.2 °F | 68.4 °F | 5.04 in. |
| June | 57.8 °F | 78.1 °F | 5.69 in. |
| July | 61.2 °F | 81.3 °F | 4.64 in. |
| August | 58.5 °F | 79.2 °F | 4.12 in. |
| September | 50.0 °F | 73.1 °F | 3.62 in. |
| October | 37.5 °F | 59.5 °F | 2.73 in. |
| November | 25.3 °F | 42.8 °F | 1.76 in. |
| December | 13.8 °F | 29.1 °F | 1.45 in. |
| Annual | 35.5 °F | 54.9 °F | 37.02 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 |