Fort Dodge, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 37 °F (low) to 57.3 °F (high). Annual precipitation averages 36.4 Inches. Fort Dodge 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 | 8.8 °F | 26.3 °F | 0.91 in. |
| February | 12.8 °F | 30.6 °F | 1.23 in. |
| March | 24.7 °F | 43.9 °F | 2.07 in. |
| April | 35.9 °F | 58.8 °F | 3.79 in. |
| May | 48.5 °F | 70.1 °F | 5.09 in. |
| June | 59.3 °F | 80.0 °F | 5.47 in. |
| July | 62.9 °F | 83.1 °F | 4.21 in. |
| August | 60.0 °F | 80.8 °F | 4.84 in. |
| September | 51.0 °F | 74.8 °F | 3.21 in. |
| October | 38.5 °F | 61.7 °F | 2.56 in. |
| November | 26.1 °F | 45.3 °F | 1.68 in. |
| December | 15.0 °F | 31.7 °F | 1.32 in. |
| Annual | 37 °F | 57.3 °F | 36.38 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |