Buffalo Center, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.1 °F (low) to 55.6 °F (high). Annual precipitation averages 33.3 Inches. Buffalo Center 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 | 6.9 °F | 23.8 °F | 0.82 in. |
| February | 11.1 °F | 28.2 °F | 0.91 in. |
| March | 23.6 °F | 41.0 °F | 1.83 in. |
| April | 35.4 °F | 57.1 °F | 3.45 in. |
| May | 47.9 °F | 69.1 °F | 4.62 in. |
| June | 58.9 °F | 79.1 °F | 5.07 in. |
| July | 62.2 °F | 82.1 °F | 4.32 in. |
| August | 59.5 °F | 79.7 °F | 3.86 in. |
| September | 50.9 °F | 73.8 °F | 3.33 in. |
| October | 37.9 °F | 60.1 °F | 2.4 in. |
| November | 25.3 °F | 43.2 °F | 1.52 in. |
| December | 13.8 °F | 29.4 °F | 1.18 in. |
| Annual | 36.1 °F | 55.6 °F | 33.31 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |