Kamrar, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 14.4 °C (high). Annual precipitation averages 917.2 Millimeters. Kamrar is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.7 °C | -2.9 °C | 24.13 mm |
| February | -10.5 °C | -0.4 °C | 27.69 mm |
| March | -3.8 °C | 6.9 °C | 52.07 mm |
| April | 2.3 °C | 15.2 °C | 95 mm |
| May | 9.3 °C | 21.6 °C | 126.49 mm |
| June | 15.3 °C | 27 °C | 140.21 mm |
| July | 17.1 °C | 28.6 °C | 108.97 mm |
| August | 15.5 °C | 27.3 °C | 113.79 mm |
| September | 10.5 °C | 24.2 °C | 82.55 mm |
| October | 3.6 °C | 16.9 °C | 67.06 mm |
| November | -3.2 °C | 7.8 °C | 43.18 mm |
| December | -9.2 °C | 0.2 °C | 36.07 mm |
| Annual | 2.9 °C | 14.4 °C | 917.21 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |