Little Cedar, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2 °C (low) to 12.7 °C (high). Annual precipitation averages 940.3 Millimeters. 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 | -14 °C | -4.8 °C | 25.91 mm |
| February | -11.8 °C | -2.3 °C | 28.96 mm |
| March | -5.1 °C | 4.7 °C | 48.01 mm |
| April | 1.6 °C | 13.3 °C | 99.57 mm |
| May | 8.4 °C | 20.2 °C | 128.02 mm |
| June | 14.3 °C | 25.6 °C | 144.53 mm |
| July | 16.2 °C | 27.4 °C | 117.86 mm |
| August | 14.7 °C | 26.2 °C | 104.65 mm |
| September | 10 °C | 22.8 °C | 91.95 mm |
| October | 3.1 °C | 15.3 °C | 69.34 mm |
| November | -3.7 °C | 6 °C | 44.7 mm |
| December | -10.1 °C | -1.6 °C | 36.83 mm |
| Annual | 2 °C | 12.7 °C | 940.33 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |