Prairieburg, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.8 °F (low) to 57.4 °F (high). Annual precipitation averages 39.2 Inches. Prairieburg is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.8 °F | 27.0 °F | 1.24 in. |
| February | 13.5 °F | 31.4 °F | 1.33 in. |
| March | 24.8 °F | 44.6 °F | 2.15 in. |
| April | 35.9 °F | 58.6 °F | 3.87 in. |
| May | 47.7 °F | 70.0 °F | 4.6 in. |
| June | 58.1 °F | 79.5 °F | 5.88 in. |
| July | 61.5 °F | 82.7 °F | 4.6 in. |
| August | 59.0 °F | 80.9 °F | 4.64 in. |
| September | 50.2 °F | 74.4 °F | 3.86 in. |
| October | 38.5 °F | 61.4 °F | 3.05 in. |
| November | 26.7 °F | 45.8 °F | 2.3 in. |
| December | 16.3 °F | 32.7 °F | 1.66 in. |
| Annual | 36.8 °F | 57.4 °F | 39.18 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |