Wayland, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.7 °F (low) to 60.9 °F (high). Annual precipitation averages 38 Inches. Wayland is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.4 °F | 31.2 °F | 1.38 in. |
| February | 18.1 °F | 35.9 °F | 1.64 in. |
| March | 28.5 °F | 48.8 °F | 2.36 in. |
| April | 39.7 °F | 62.4 °F | 3.69 in. |
| May | 51.6 °F | 72.9 °F | 5.16 in. |
| June | 61.6 °F | 82.0 °F | 5.04 in. |
| July | 65.0 °F | 85.4 °F | 4.12 in. |
| August | 62.6 °F | 83.8 °F | 4.16 in. |
| September | 53.7 °F | 77.5 °F | 3.52 in. |
| October | 42.0 °F | 64.8 °F | 2.95 in. |
| November | 30.5 °F | 49.2 °F | 2.26 in. |
| December | 20.3 °F | 36.4 °F | 1.75 in. |
| Annual | 40.7 °F | 60.9 °F | 38.03 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |