University Park, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40 °F (low) to 60.1 °F (high). Annual precipitation averages 37.4 Inches. University Park 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 | 13.2 °F | 30.3 °F | 1.15 in. |
| February | 16.9 °F | 35.1 °F | 1.58 in. |
| March | 27.5 °F | 48.2 °F | 2.1 in. |
| April | 39.0 °F | 61.4 °F | 3.79 in. |
| May | 51.2 °F | 71.6 °F | 5.05 in. |
| June | 61.6 °F | 81.5 °F | 5.12 in. |
| July | 64.6 °F | 85.2 °F | 4.26 in. |
| August | 62.4 °F | 83.0 °F | 4.38 in. |
| September | 53.4 °F | 76.4 °F | 3.6 in. |
| October | 41.2 °F | 64.3 °F | 2.7 in. |
| November | 29.4 °F | 48.2 °F | 2.24 in. |
| December | 19.0 °F | 35.8 °F | 1.46 in. |
| Annual | 40 °F | 60.1 °F | 37.43 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |