Dickens, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36 °F (low) to 56.4 °F (high). Annual precipitation averages 31.2 Inches. Dickens 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 | 7.3 °F | 24.8 °F | 0.71 in. |
| February | 11.4 °F | 29.0 °F | 0.83 in. |
| March | 23.4 °F | 42.0 °F | 1.63 in. |
| April | 35.2 °F | 57.4 °F | 3.4 in. |
| May | 47.8 °F | 69.4 °F | 4.35 in. |
| June | 58.7 °F | 79.8 °F | 4.82 in. |
| July | 62.2 °F | 83.4 °F | 3.69 in. |
| August | 59.4 °F | 80.8 °F | 3.82 in. |
| September | 50.8 °F | 74.8 °F | 3.2 in. |
| October | 37.8 °F | 60.8 °F | 2.35 in. |
| November | 24.8 °F | 44.2 °F | 1.42 in. |
| December | 13.5 °F | 30.1 °F | 0.96 in. |
| Annual | 36 °F | 56.4 °F | 31.18 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 |