Kamrar, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37.1 °F (low) to 57.8 °F (high). Annual precipitation averages 36.1 Inches. 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 | 9.2 °F | 26.7 °F | 0.95 in. |
| February | 13.1 °F | 31.2 °F | 1.09 in. |
| March | 25.1 °F | 44.4 °F | 2.05 in. |
| April | 36.1 °F | 59.3 °F | 3.74 in. |
| May | 48.8 °F | 70.8 °F | 4.98 in. |
| June | 59.5 °F | 80.6 °F | 5.52 in. |
| July | 62.7 °F | 83.5 °F | 4.29 in. |
| August | 59.9 °F | 81.2 °F | 4.48 in. |
| September | 50.9 °F | 75.6 °F | 3.25 in. |
| October | 38.5 °F | 62.4 °F | 2.64 in. |
| November | 26.3 °F | 46.0 °F | 1.7 in. |
| December | 15.4 °F | 32.3 °F | 1.42 in. |
| Annual | 37.1 °F | 57.8 °F | 36.11 in. |
| 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 : -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 |