Larrabee, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.3 °F (low) to 57.2 °F (high). Annual precipitation averages 31.3 Inches. Larrabee 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 | 8.0 °F | 26.2 °F | 0.71 in. |
| February | 12.1 °F | 30.6 °F | 0.88 in. |
| March | 24.0 °F | 43.8 °F | 1.69 in. |
| April | 35.1 °F | 58.4 °F | 3.31 in. |
| May | 47.9 °F | 70.1 °F | 4.23 in. |
| June | 58.9 °F | 80.2 °F | 5.07 in. |
| July | 62.4 °F | 83.3 °F | 3.47 in. |
| August | 59.8 °F | 80.9 °F | 4.08 in. |
| September | 50.8 °F | 74.9 °F | 3.19 in. |
| October | 38.0 °F | 61.5 °F | 2.28 in. |
| November | 24.9 °F | 45.0 °F | 1.45 in. |
| December | 14.1 °F | 31.3 °F | 0.96 in. |
| Annual | 36.3 °F | 57.2 °F | 31.32 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |