Titonka, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.6 °C (low) to 13.4 °C (high). Annual precipitation averages 832.9 Millimeters. Titonka 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 | -13.4 °C | -4.2 °C | 19.56 mm |
| February | -11.1 °C | -1.8 °C | 23.11 mm |
| March | -4.3 °C | 5.4 °C | 47.5 mm |
| April | 2.1 °C | 14.5 °C | 91.69 mm |
| May | 9 °C | 20.7 °C | 114.81 mm |
| June | 15.2 °C | 26.3 °C | 123.95 mm |
| July | 17 °C | 27.9 °C | 114.55 mm |
| August | 15.4 °C | 26.7 °C | 96.01 mm |
| September | 10.7 °C | 23.4 °C | 76.96 mm |
| October | 3.6 °C | 15.9 °C | 56.9 mm |
| November | -3.5 °C | 6.6 °C | 38.61 mm |
| December | -9.8 °C | -1.1 °C | 29.21 mm |
| Annual | 2.6 °C | 13.4 °C | 832.86 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |