Ames, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.7 °C (low) to 14.2 °C (high). Annual precipitation averages 1096.8 Millimeters. Ames 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.2 °C | -0.6 °C | 75.69 mm |
| February | -9.6 °C | 1.1 °C | 65.28 mm |
| March | -5.3 °C | 5.8 °C | 83.82 mm |
| April | 1.2 °C | 13.9 °C | 90.42 mm |
| May | 7.4 °C | 20.6 °C | 89.66 mm |
| June | 12.4 °C | 25.1 °C | 108.97 mm |
| July | 15.3 °C | 27.8 °C | 109.22 mm |
| August | 14.2 °C | 26.8 °C | 107.95 mm |
| September | 10.3 °C | 22.9 °C | 91.69 mm |
| October | 4.2 °C | 15.7 °C | 102.36 mm |
| November | -1.4 °C | 8.6 °C | 82.55 mm |
| December | -6.3 °C | 2.3 °C | 89.15 mm |
| Annual | 2.7 °C | 14.2 °C | 1096.76 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 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |