Buffalo Center, Iowa has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.3 °C (low) to 13.1 °C (high). Annual precipitation averages 846.1 Millimeters. 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 | -13.9 °C | -4.6 °C | 20.83 mm |
| February | -11.6 °C | -2.1 °C | 23.11 mm |
| March | -4.7 °C | 5 °C | 46.48 mm |
| April | 1.9 °C | 13.9 °C | 87.63 mm |
| May | 8.8 °C | 20.6 °C | 117.35 mm |
| June | 14.9 °C | 26.2 °C | 128.78 mm |
| July | 16.8 °C | 27.8 °C | 109.73 mm |
| August | 15.3 °C | 26.5 °C | 98.04 mm |
| September | 10.5 °C | 23.2 °C | 84.58 mm |
| October | 3.3 °C | 15.6 °C | 60.96 mm |
| November | -3.7 °C | 6.2 °C | 38.61 mm |
| December | -10.1 °C | -1.4 °C | 29.97 mm |
| Annual | 2.3 °C | 13.1 °C | 846.07 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 |